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Dr. John Hollister Thacher, MD

(5 Ratings)

Specializes in: Dermatopathology

University of Southern California (USC), Keck School of Medicine (1969)

115 Pirie Road Suite F
Ojai, CA 93023

(805) 648-6969

Dr. John Hollister Thacher, MD is a dermatopathologist in Ojai, CA specializing in dermatopathology. He graduated from University of Southern California (USC), Keck School of Medicine in 1969 and has 57 years of experience.

Office Locations

115 Pirie Road Suite F
Ojai, CA 93023

(805) 648-6969

(805) 648-3762

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Noteworthy Medicare Patient Procedures Performed by Dr. John Hollister Thacher, MD in 2023

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

Top 25%

By Volume:

biopsy

skin lesion destruction

By Affordability:

adjacent tissue transfer

ear biopsy

ear procedures

full-thickness skin grafting

removal of benign skin lesion

removal of skin lesion

skin lesion destruction

skin procedures

In 2012, among providers in related specialties within California, Dr. John Hollister Thacher, MD performed more biopsy, and skin lesion destruction (e.g. laser surgery) procedures for Medicare patients than 75% of them and he also had a list price for adjacent tissue transfer, ear biopsy, ear procedures, full-thickness skin grafting, removal of benign (non-cancerous) skin lesion, removal of skin lesion (growth or mark), skin lesion destruction (e.g. laser surgery), and skin procedures 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. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2012 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and reconstructive surgery.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	397
doctor visit	1835
ear procedures	45
eye procedures	13
injections	16
plastic surgery procedures	75
reconstructive surgery	75
removal of lesion (e.g. growth)	1074
skin procedures	1074
tissue transfer	75
wound repair (e.g. stitches)	75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2013 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

abscess drainage	15
diagnostic procedures	343
doctor visit	1744
ear procedures	29
eye procedures	17
incision and drainage	15
injections	14
minor procedures	15
plastic surgery procedures	56
reconstructive surgery	56
removal of lesion (e.g. growth)	1048
skin procedures	1048
skin surgery	15
tissue transfer	56
wound repair (e.g. stitches)	56

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	619
Female	512

**Ethnicity**
Non-Hispanic White	1080
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	391
From 75 to 84	429
85 and over	298
Less than 65	13

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2013

Hypertension	59
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	34
Depression	11
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	5
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	14
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2014 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

abscess drainage	13
diagnostic procedures	311
doctor visit	1664
ear procedures	27
incision and drainage	13
injections	22
minor procedures	13
plastic surgery procedures	60
reconstructive surgery	60
removal of lesion (e.g. growth)	1011
skin procedures	1011
skin surgery	13
tissue transfer	60
wound repair (e.g. stitches)	60

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	579
Female	522

**Ethnicity**
Non-Hispanic White	1054
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	370
From 75 to 84	429
85 and over	287
Less than 65	15

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2014

Hypertension	58
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	15
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2015 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and reconstructive surgery.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	322
doctor visit	1697
ear procedures	31
injections	26
plastic surgery procedures	58
reconstructive surgery	58
removal of lesion (e.g. growth)	999
skin procedures	999
tissue transfer	58
wound repair (e.g. stitches)	58

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	1110
Female	1100

**Ethnicity**
Non-Hispanic White	2116
Black	0
Hispanic	38
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	704
From 75 to 84	878
85 and over	600
Less than 65	28

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2015

Hypertension	58
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	31
Depression	11
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	15
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2016 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and reconstructive surgery.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	249
doctor visit	1564
ear procedures	29
injections	15
lab tests	12
plastic surgery procedures	52
reconstructive surgery	52
removal of lesion (e.g. growth)	899
skin procedures	899
tissue transfer	52
wound repair (e.g. stitches)	52

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	553
Female	495

**Ethnicity**
Non-Hispanic White	990
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	421
85 and over	288
Less than 65	11

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2016

Hypertension	60
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	15
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2017 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

abscess drainage	13
diagnostic procedures	252
doctor visit	1532
ear procedures	37
eye procedures	14
incision and drainage	13
injections	13
minor procedures	13
plastic surgery procedures	45
reconstructive surgery	45
removal of lesion (e.g. growth)	938
skin procedures	938
skin surgery	13
tissue transfer	45
wound repair (e.g. stitches)	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	543
Female	486

**Ethnicity**
Non-Hispanic White	971
Black	0
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	438
85 and over	271
Less than 65	13

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2017

Hypertension	59
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	15
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2018 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

abscess drainage	15
diagnostic procedures	248
doctor visit	1438
ear procedures	24
incision and drainage	15
injections	22
minor procedures	15
plastic surgery procedures	36
reconstructive surgery	36
removal of lesion (e.g. growth)	898
skin procedures	898
skin surgery	15
tissue transfer	36
wound repair (e.g. stitches)	36

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	539
Female	470

**Ethnicity**
Non-Hispanic White	955
Black	0
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	401
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2018

Hypertension	60
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	24
Asthma	4
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	14
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2019 were removal of lesion (e.g. growth), skin procedures, reconstructive surgery and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	16
doctor visit	1432
ear procedures	16
injections	18
plastic surgery procedures	32
reconstructive surgery	32
removal of lesion (e.g. growth)	905
skin procedures	905
tissue transfer	32
wound repair (e.g. stitches)	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	498
Female	458

**Ethnicity**
Non-Hispanic White	912
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	313
From 75 to 84	377
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2019

Hypertension	60
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	30
Depression	0
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	13
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2020 were removal of lesion (e.g. growth), skin procedures, reconstructive surgery and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	25
doctor visit	1136
ear procedures	25
plastic surgery procedures	43
reconstructive surgery	43
removal of lesion (e.g. growth)	649
skin procedures	649
tissue transfer	43
wound repair (e.g. stitches)	43

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	436
Female	352

**Ethnicity**
Non-Hispanic White	740
Black	0
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	334
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2020

Hypertension	57
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	13
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2021 were removal of lesion (e.g. growth), skin procedures, reconstructive surgery and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	22
doctor visit	1269
ear procedures	22
plastic surgery procedures	27
reconstructive surgery	27
removal of lesion (e.g. growth)	792
skin procedures	792
tissue transfer	27
wound repair (e.g. stitches)	27

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	471
Female	399

**Ethnicity**
Non-Hispanic White	825
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	358
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2021

Hypertension	59
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	13
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA during 2022 were removal of lesion (e.g. growth), skin procedures, reconstructive surgery and plastic surgery procedures.

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

diagnostic procedures	17
doctor visit	1191
ear procedures	17
plastic surgery procedures	24
reconstructive surgery	24
removal of lesion (e.g. growth)	747
skin procedures	747
tissue transfer	24
wound repair (e.g. stitches)	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	497
Female	420

**Ethnicity**
Non-Hispanic White	866
Black	0
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	383
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2022

Hypertension	65
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	16
Atrial Fibrilation	19
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	13
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Hollister Thacher, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Hollister Thacher, MD treated as a dermatopathologist in Ojai, CA were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and plastic surgery procedures.

abscess drainage	14
diagnostic procedures	200
doctor visit	1500
ear procedures	27
eye procedures	14
incision and drainage	14
injections	18
lab tests	12
minor procedures	14
plastic surgery procedures	46
reconstructive surgery	46
removal of lesion (e.g. growth)	905
skin procedures	905
skin surgery	14
tissue transfer	46
wound repair (e.g. stitches)	46

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Hollister Thacher, MD.

**Gender**
Male	531
Female	474

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	955
Native American / Alaskan Native	0
Hispanic	13
Other	14

**Age**
75 to 84	404
85 and over	158
Less than 65	7
65 to 74	325

Average of Total of Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD From 2012 - 2022

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

Hypertension	54
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	27
Depression	10
Chronic Kidney Disease	20
Asthma	5
Osteoporosis	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	12
Atrial Fibrillation	13
Dementia	7
Cancer	11

Education & Training

Dr. John Hollister Thacher, MD graduated from University of Southern California (USC), Keck School of Medicine in 1969. He has a state license in California.

Medical School: University of Southern California (USC), Keck School of Medicine (1969)

Licensed In: California

Ratings & Reviews

Dr. John Hollister Thacher, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. John Hollister Thacher, MD from all over the web to help you find the right in Ojai, CA.

4.2

Overall Rating

(5 Ratings)

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$45 COSENTYX $45

**Types of Payments**
Food and Beverage	$45

Biography

Dr. John Thacher sees patients in Ojai, CA. His medical specialty is dermatopathology. He attended medical school at the University of Southern California (USC), Keck School of Medicine. He is rated 4.0 stars (out of 5) by his patients.

Select Year:

Dr. John Hollister Thacher, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Hollister Thacher, MD in 2023

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. John Hollister Thacher, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Hollister Thacher, 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. John Hollister Thacher, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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