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Dr. Michael Harris Callahan, MD

(498 Ratings)

Specializes in: Otolaryngic Allergy

584 Lanier Park Drive
Gainesville, GA 30501

(770) 534-5208

Dr. Michael Harris Callahan, MD is an otolaryngic allergist in Braselton, GA specializing in otolaryngic allergy. Dr. Michael Harris Callahan, MD is affiliated with Northeast Georgia ENT.

Office Locations

1235 Friendship Road Suite 100
Braselton, GA 30517

open_in_new

2406 Lighthouse Manor Drive
Gainesville, GA 30501

open_in_new

584 Lanier Park Drive
Gainesville, GA 30501

(770) 534-5208

(770) 534-8512

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael Harris Callahan, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

endoscopy

By Affordability:

CT scan

diagnostic flexible laryngoscopy

diagnostic laryngoscopy

ear surgery

ear wax removal

fiberoptic laryngoscopy

flexible laryngoscopy

impacted ear wax removal

laryngeal procedures

laryngoscopy

maxillofacial CT scan

myringotomy

tympanostomy

In 2023, among providers in related specialties within Georgia, Dr. Michael Harris Callahan, MD performed more endoscopy procedures for Medicare patients than 95% of them and he also had a list price for CT scan, diagnostic flexible laryngoscopy, diagnostic laryngoscopy, ear surgery, ear wax removal, fiberoptic laryngoscopy, flexible laryngoscopy, impacted ear wax removal, laryngeal (voice box) procedures, laryngoscopy, maxillofacial (jaw/face) CT scan, myringotomy (incision of eardrum), and tympanostomy (myringotomy with tube insertion) that was lower than the list prices billed to Medicare by 95% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Volume:

diagnostic flexible laryngoscopy

laryngoscopy

By Affordability:

endoscopic nasal biopsy

endoscopic nasal debridement

endoscopic nasal polypectomy

endoscopic nasal surgery

endoscopic sinus surgery

nasal endoscopy

nose surgery

sinus surgery

In 2023, among providers in related specialties within Georgia, Dr. Michael Harris Callahan, MD performed more diagnostic flexible laryngoscopy, and laryngoscopy procedures for Medicare patients than 90% of them and he also had a list price for endoscopic nasal biopsy, endoscopic nasal debridement, endoscopic nasal polypectomy, endoscopic nasal surgery, endoscopic sinus surgery, nasal endoscopy, nose surgery, and sinus surgery that was lower than the list prices billed to Medicare by 90% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

diagnostic procedures

By Affordability:

hearing evaluation

hearing test

In 2012, among providers in related specialties within Georgia, Dr. Michael Harris Callahan, MD performed more diagnostic procedures procedures for Medicare patients than 75% of them and he also had a list price for hearing evaluation, and hearing test that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2012 were diagnostic procedures, ear procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

debridement (removal of unhealthy tissue)	31
diagnostic procedures	206
doctor visit	835
ear procedures	188
excision	31
gynecologic procedures	31
laryngeal (voice box) procedures	115
minimally invasive procedures	146
nose surgery	31
nosebleed treatment	14
removal of lesion (e.g. growth)	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2013 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	24
debridement (removal of unhealthy tissue)	25
diagnostic procedures	212
doctor visit	780
ear procedures	246
excision	25
gynecologic procedures	25
laryngeal (voice box) procedures	119
minimally invasive procedures	144
nose surgery	25
nosebleed treatment	14
removal of lesion (e.g. growth)	25

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	256
Female	380

**Ethnicity**
Non-Hispanic White	617
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	196
85 and over	83
Less than 65	62

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2013

Hypertension	68
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	23
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2014 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	26
debridement (removal of unhealthy tissue)	31
diagnostic procedures	318
doctor visit	894
ear procedures	366
excision	31
gynecologic procedures	31
laryngeal (voice box) procedures	121
minimally invasive procedures	166
nose surgery	45
nosebleed treatment	30
removal of lesion (e.g. growth)	31

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	305
Female	409

**Ethnicity**
Non-Hispanic White	685
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	233
85 and over	87
Less than 65	62

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2014

Hypertension	65
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2015 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	29
debridement (removal of unhealthy tissue)	46
diagnostic procedures	369
doctor visit	818
ear procedures	424
excision	46
gynecologic procedures	46
laryngeal (voice box) procedures	121
minimally invasive procedures	179
nose surgery	70
nosebleed treatment	20
removal of lesion (e.g. growth)	46
submucous resection (SMR)	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	562
Female	820

**Ethnicity**
Non-Hispanic White	1354
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	630
From 75 to 84	432
85 and over	210
Less than 65	110

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2015

Hypertension	73
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2016 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

ablation	14
CT scan	34
debridement (removal of unhealthy tissue)	29
diagnostic procedures	264
doctor visit	817
ear procedures	330
excision	29
gynecologic procedures	29
laryngeal (voice box) procedures	137
minimally invasive procedures	166
minor procedures	14
nose surgery	58
nosebleed treatment	42
removal of lesion (e.g. growth)	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	329
Female	403

**Ethnicity**
Non-Hispanic White	696
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	258
85 and over	94
Less than 65	44

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2016

Hypertension	72
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	27
Asthma	17
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2017 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	38
debridement (removal of unhealthy tissue)	35
diagnostic procedures	328
doctor visit	774
ear procedures	360
excision	35
gynecologic procedures	35
laryngeal (voice box) procedures	151
minimally invasive procedures	186
nose surgery	35
nosebleed treatment	18
removal of lesion (e.g. growth)	35

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	306
Female	399

**Ethnicity**
Non-Hispanic White	672
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	239
85 and over	97
Less than 65	43

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2017

Hypertension	71
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2018 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	27
debridement (removal of unhealthy tissue)	35
diagnostic procedures	355
doctor visit	655
ear procedures	404
evoked potential test	14
excision	35
gynecologic procedures	35
laryngeal (voice box) procedures	151
minimally invasive procedures	197
nose surgery	46
removal of lesion (e.g. growth)	35

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	279
Female	401

**Ethnicity**
Non-Hispanic White	643
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	254
85 and over	81
Less than 65	39

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2018

Hypertension	69
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2019 were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	29
debridement (removal of unhealthy tissue)	39
diagnostic procedures	368
doctor visit	664
ear procedures	405
excision	39
gynecologic procedures	39
laryngeal (voice box) procedures	187
minimally invasive procedures	237
nose surgery	50
nosebleed treatment	13
removal of lesion (e.g. growth)	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	303
Female	398

**Ethnicity**
Non-Hispanic White	671
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	259
85 and over	85
Less than 65	39

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2019

Hypertension	70
High Cholesterol	71
Stroke	4
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2020 were minimally invasive procedures, laryngeal (voice box) procedures, diagnostic procedures and ear procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	34
debridement (removal of unhealthy tissue)	28
diagnostic procedures	122
doctor visit	650
ear procedures	114
excision	28
gynecologic procedures	28
laryngeal (voice box) procedures	143
minimally invasive procedures	171
nose surgery	28
removal of lesion (e.g. growth)	28

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	251
Female	312

**Ethnicity**
Non-Hispanic White	527
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	263
From 75 to 84	223
85 and over	47
Less than 65	30

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2020

Hypertension	69
High Cholesterol	70
Stroke	4
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2021 were minimally invasive procedures, ear procedures, laryngeal (voice box) procedures and diagnostic procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	39
debridement (removal of unhealthy tissue)	30
diagnostic procedures	145
doctor visit	790
ear procedures	172
excision	30
gynecologic procedures	30
laryngeal (voice box) procedures	170
minimally invasive procedures	200
nose surgery	30
removal of lesion (e.g. growth)	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	271
Female	355

**Ethnicity**
Non-Hispanic White	590
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	278
85 and over	77
Less than 65	33

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2021

Hypertension	73
High Cholesterol	69
Stroke	4
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA during 2022 were ear procedures, minimally invasive procedures, laryngeal (voice box) procedures and diagnostic procedures.

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

CT scan	24
debridement (removal of unhealthy tissue)	24
diagnostic procedures	125
doctor visit	761
ear procedures	185
excision	24
gynecologic procedures	24
laryngeal (voice box) procedures	150
minimally invasive procedures	174
nose surgery	24
nosebleed treatment	12
removal of lesion (e.g. growth)	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	286
Female	344

**Ethnicity**
Non-Hispanic White	593
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	256
85 and over	93
Less than 65	28

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	5
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael Harris Callahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael Harris Callahan, MD treated as an otolaryngic allergist in Braselton, GA were ear procedures, diagnostic procedures, minimally invasive procedures and laryngeal (voice box) procedures.

ablation	14
CT scan	30
debridement (removal of unhealthy tissue)	32
diagnostic procedures	255
doctor visit	767
ear procedures	290
evoked potential test	14
excision	32
gynecologic procedures	32
laryngeal (voice box) procedures	142
minimally invasive procedures	178
minor procedures	14
nose surgery	40
nosebleed treatment	20
removal of lesion (e.g. growth)	32
submucous resection (SMR)	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael Harris Callahan, MD.

**Gender**
Male	286
Female	383

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	640
Native American / Alaskan Native	0
Hispanic	0
Other	7

**Age**
75 to 84	238
85 and over	86
Less than 65	44
65 to 74	299

Average of Total of Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Michael Harris Callahan, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	64
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	25
Asthma	9
Osteoporosis	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Atrial Fibrillation	12
Dementia	6
Cancer	10

Education & Training

He has a state license in Georgia.

Licensed In: Georgia

Affiliations & Hospitals

Dr. Michael Harris Callahan, MD is associated with these hospitals and organizations:

Northeast Georgia ENT

Ratings & Reviews

Dr. Michael Harris Callahan, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 498 ratings. We collect ratings and reviews of Dr. Michael Harris Callahan, MD from all over the web to help you find the right in Braselton, GA.

4.91

Overall Rating

(498 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Michael Harris Callahan, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Stryker Corporation	$1,249 SCOPIS ENT $693	XPRESS ENT DILATION SYSTEM $395	FIAGON NAVIGATION UNIT $161
Optinose US, Inc.	$207 Xhance $207
Regeneron Healthcare Solutions, Inc.	$154 DUPIXENT $154
Intersect ENT, Inc.	$68 SINUVA $68
Entellus Medical, Inc.	$43 XprESS Multi-Sinus Dilation System $43
Other	$244 DUPIXENT $42	ENTRE PLUS $37	Ciprodex $33	Coblation Wands $20	Otovel $16	Other $96

**Types of Payments**
Food and Beverage	$1,356
Travel and Lodging	$608

Biography

Dr. Michael Callahan's specialty is otolaryngic allergy. Patient ratings for Dr. Callahan average 5.0 stars (out of 5). Dr. Callahan's clinical interests include ear problems. He is a graduate of Medical College of Georgia.

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Dr. Michael Harris Callahan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael Harris Callahan, MD in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Michael Harris Callahan, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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