In 2023, among providers in related specialties within California, Dr. Thomas Jefferson Gernon, MD performed more modified radical neck dissection procedures for Medicare patients than 95% of them and he also had a list price for dissection, lymphadenectomy (lymph node dissection), lymph node excision, lymph node procedures, modified radical neck dissection, neck dissection (cervical lymphadenectomy), and surgical dissection 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 25%

By Volume:

diagnostic flexible laryngoscopy

endoscopy

laryngoscopy

In 2012, Dr. Thomas Jefferson Gernon, MD performed more diagnostic flexible laryngoscopy, endoscopy, and laryngoscopy procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2012 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	13
doctor visit	150
excision	13
laryngeal (voice box) procedures	56
lymph node procedures	13
minimally invasive procedures	56
neck surgery	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2013 were minimally invasive procedures, laryngeal (voice box) procedures, diagnostic procedures and dissection.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

diagnostic procedures	15
dissection	14
doctor visit	218
excision	14
laryngeal (voice box) procedures	96
lymph node procedures	14
minimally invasive procedures	96
neck surgery	14

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	82
Female	38

**Ethnicity**
Non-Hispanic White	107
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	36
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2013

Hypertension	58
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	17
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2014 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	18
doctor visit	319
excision	18
laryngeal (voice box) procedures	104
lymph node procedures	18
minimally invasive procedures	104
neck surgery	18

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	107
Female	49

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2014

Hypertension	61
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2015 were minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

doctor visit	343
laryngeal (voice box) procedures	111
minimally invasive procedures	111

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	184
Female	98

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	78
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2015

Hypertension	61
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	19
Diabetes	22
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2016 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	18
doctor visit	176
excision	18
laryngeal (voice box) procedures	77
lymph node procedures	18
minimally invasive procedures	77
neck surgery	18

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	102
Female	63

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	35
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	53
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2016

Hypertension	72
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	44
Depression	24
Chronic Kidney Disease	33
Asthma	19
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	7
Cancer	32

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2017 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	34
doctor visit	311
excision	34
hospital care	13
inpatient care	13
laryngeal (voice box) procedures	114
lymph node procedures	34
minimally invasive procedures	114
neck surgery	34
tracheal (windpipe) procedures	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	122
Female	80

**Ethnicity**
Non-Hispanic White	127
Black	0
Hispanic	38
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	54
85 and over	22
Less than 65	29

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2017

Hypertension	71
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	42
Depression	21
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	11
Cancer	28

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2018 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	32
doctor visit	337
excision	32
laryngeal (voice box) procedures	118
lymph node procedures	32
minimally invasive procedures	118
neck surgery	32

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	119
Female	68

**Ethnicity**
Non-Hispanic White	129
Black	0
Hispanic	25
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	53
85 and over	19
Less than 65	28

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2018

Hypertension	71
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	50
Depression	26
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	13
Cancer	28

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2019 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	29
doctor visit	319
excision	29
laryngeal (voice box) procedures	102
lymph node procedures	29
minimally invasive procedures	102
neck surgery	29

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	114
Female	90

**Ethnicity**
Non-Hispanic White	131
Black	0
Hispanic	30
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	63
85 and over	15
Less than 65	26

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2019

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	47
Depression	20
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	13
Cancer	25

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2020 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	30
doctor visit	273
excision	30
laryngeal (voice box) procedures	87
lymph node procedures	30
minimally invasive procedures	87
neck surgery	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	126
Female	77

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	0
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	63
85 and over	14
Less than 65	22

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2020

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	52
Depression	21
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	14
Cancer	23

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2021 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	29
doctor visit	312
excision	29
laryngeal (voice box) procedures	137
lymph node procedures	29
minimally invasive procedures	137
neck surgery	29

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	106
Female	89

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	26
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	62
85 and over	17
Less than 65	16

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2021

Hypertension	74
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	49
Depression	24
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	19
Cancer	24

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA during 2022 were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

dissection	26
doctor visit	327
excision	26
laryngeal (voice box) procedures	132
lymph node procedures	26
minimally invasive procedures	132
neck surgery	26

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	132
Female	109

**Ethnicity**
Non-Hispanic White	155
Black	13
Hispanic	28
Asian	32
Other	13
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	74
85 and over	16
Less than 65	21

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2022

Hypertension	71
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	16
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	8
Cancer	30

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Thomas Jefferson Gernon, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas Jefferson Gernon, MD treated as an otolaryngologist in South Pasadena, CA were minimally invasive procedures, laryngeal (voice box) procedures, dissection and neck surgery.

diagnostic procedures	15
dissection	24
doctor visit	280
excision	24
hospital care	13
inpatient care	13
laryngeal (voice box) procedures	103
lymph node procedures	24
minimally invasive procedures	103
neck surgery	24
tracheal (windpipe) procedures	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Thomas Jefferson Gernon, MD.

**Gender**
Male	108
Female	69

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	16
Non-Hispanic White	125
Hispanic	16
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	52
85 and over	9
Less than 65	12
65 to 74	91

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD From 2012 - 2022

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

Hypertension	62
High Cholesterol	51
Stroke	1
Ischemic Heart Disease	37
Depression	20
Chronic Kidney Disease	28
Asthma	7
Osteoporosis	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Atrial Fibrillation	11
Cancer	21
Dementia	7

Education & Training

He has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

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General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$5,016 Da Vinci Surgical System $5,016
Medtronic Xomed, Inc.	$330 Image Guided Surgery Products $259	Powered ENT Instrument $62	Thyroid and Parathyroid Surgery Products $10
Intersect ENT, Inc.	$204 Propel $204
Covidien Sales LLC	$183 Vessel Sealing $183
Stryker Corporation	$158 MAXFACE $158
Other	$556 Aerospan $124	Avastin $83	Restrata Wound Matrix $47	ACCLARENT CYCLOPS ENDOSCOPE $37	VIDEO-RHINO-LARYNGOSCOPE NTSC $36	Other $228

**Types of Payments**
Education	$4,500
Food and Beverage	$1,459
Travel and Lodging	$470
Entertainment	$18

Biography

Dr. Thomas Gernon works as an otolaryngology (ear, nose, and throat). He is a graduate of the University of Washington School of Medicine. His practice in South Pasadena, CA is open to new patients as reported by Doctor.com.

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Dr. Thomas Jefferson Gernon, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Jefferson Gernon, MD in 2023

By Volume:

By Affordability:

By Volume:

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. Thomas Jefferson Gernon, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Jefferson Gernon, 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. Thomas Jefferson Gernon, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Otolaryngologists / Ear, Nose & Throat (ENT) Doctors in Nearby Locations

Other Providers in South Pasadena, CA