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Home > CA Providers > Dermatologists

Dr. Matthew Michael Koehler, DO, FAAD

Accepting New Patients

(15 Ratings)

Specializes in: Dermatology (Skin Disorders)

Touro University College of Osteopathic Medicine

5000 Civic Center Drive
San Rafael, CA 94903

(415) 499-0100

Dr. Matthew Michael Koehler, DO, FAAD is a dermatologist in San Rafael, CA specializing in dermatology (skin disorders). He graduated from Touro University College of Osteopathic Medicine. Dr. Matthew Michael Koehler, DO, FAAD is affiliated with Marin General Hospital and Hill Physicians.

Office Locations

5000 Civic Center Drive
San Rafael, CA 94903

open_in_new

75 Rowland Way Suite 101
Novato, CA 94945

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Noteworthy Medicare Patient Procedures Performed by Dr. Matthew Michael Koehler, DO, FAAD in 2024

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

Top 25%

By Volume:

skin lesion destruction

In 2012, Dr. Matthew Michael Koehler, DO, FAAD performed more skin lesion destruction (e.g. laser surgery) procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2016 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and skin surgery.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

cancer surgery	11
diagnostic procedures	51
doctor visit	167
removal of lesion (e.g. growth)	87
skin procedures	87
skin surgery	11

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	78
Female	79

**Ethnicity**
Non-Hispanic White	127
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2016

Hypertension	55
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	27
Depression	9
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2017 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and skin surgery.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	12
cancer surgery	34
diagnostic procedures	198
doctor visit	759
ear procedures	18
incision and drainage	12
injections	12
minor procedures	12
removal of lesion (e.g. growth)	398
skin procedures	398
skin surgery	46

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	311
Female	328

**Ethnicity**
Non-Hispanic White	570
Black	0
Hispanic	0
Asian	19
Other	28
Native American	0

**Age**
From 65 to 74	337
From 75 to 84	194
85 and over	91
Less than 65	17

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2017

Hypertension	45
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	25
Depression	14
Chronic Kidney Disease	14
Asthma	4
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2018 were skin procedures, removal of lesion (e.g. growth), diagnostic procedures and phototherapy (light therapy).

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	15
diagnostic procedures	230
doctor visit	998
incision and drainage	15
minor procedures	15
phototherapy (light therapy)	30
removal of lesion (e.g. growth)	518
skin procedures	548
skin surgery	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	317
Female	384

**Ethnicity**
Non-Hispanic White	652
Black	0
Hispanic	0
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	210
85 and over	92
Less than 65	19

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2018

Hypertension	41
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	14
Asthma	5
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	11
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2019 were skin procedures, removal of lesion (e.g. growth), abscess drainage and minor procedures.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	19
doctor visit	1057
incision and drainage	19
lab tests	11
minor procedures	19
phototherapy (light therapy)	16
removal of lesion (e.g. growth)	518
skin procedures	534
skin surgery	19

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	328
Female	385

**Ethnicity**
Non-Hispanic White	661
Black	0
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	373
From 75 to 84	207
85 and over	106
Less than 65	27

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2019

Hypertension	42
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	14
Asthma	5
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	7
Chronic Obstructive Pulmonary Disease	5
Diabetes	13
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2020 were removal of lesion (e.g. growth), skin procedures, abscess drainage and minor procedures.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	16
diagnostic procedures	12
doctor visit	968
ear procedures	12
incision and drainage	16
minor procedures	16
removal of lesion (e.g. growth)	539
skin procedures	539
skin surgery	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	320
Female	311

**Ethnicity**
Non-Hispanic White	574
Black	0
Hispanic	0
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	218
85 and over	67
Less than 65	15

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2020

Hypertension	41
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	11
Asthma	4
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	3
Diabetes	9
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2021 were removal of lesion (e.g. growth), skin procedures, abscess drainage and minor procedures.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	23
doctor visit	1073
incision and drainage	23
minor procedures	23
removal of lesion (e.g. growth)	696
skin procedures	696
skin surgery	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	388
Female	314

**Ethnicity**
Non-Hispanic White	638
Black	0
Hispanic	0
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	358
From 75 to 84	245
85 and over	87
Less than 65	12

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2021

Hypertension	45
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	24
Depression	15
Chronic Kidney Disease	13
Asthma	5
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	7
Chronic Obstructive Pulmonary Disease	4
Diabetes	10
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2022 were removal of lesion (e.g. growth), skin procedures, abscess drainage and minor procedures.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	27
doctor visit	1124
incision and drainage	27
injections	17
minor procedures	27
removal of lesion (e.g. growth)	711
skin procedures	711
skin surgery	27

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	388
Female	336

**Ethnicity**
Non-Hispanic White	665
Black	0
Hispanic	0
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	261
85 and over	90
Less than 65	13

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2022

Hypertension	54
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	19
Depression	14
Chronic Kidney Disease	10
Asthma	8
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	10
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2023 were skin procedures, removal of lesion (e.g. growth), abscess drainage and minor procedures.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	19
doctor visit	1264
incision and drainage	19
minor procedures	19
phototherapy (light therapy)	13
removal of lesion (e.g. growth)	708
skin procedures	721
skin surgery	19

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	486
Female	420

**Ethnicity**
Non-Hispanic White	818
Black	0
Hispanic	14
Asian	0
Other	58
Native American	0

**Age**
From 65 to 74	419
From 75 to 84	361
85 and over	112
Less than 65	14

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2023

Hypertension	56
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	13
Asthma	8
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	7
Chronic Obstructive Pulmonary Disease	8
Diabetes	12
Dementia	2
Cancer	16

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA during 2024 were skin procedures, removal of lesion (e.g. growth), phototherapy (light therapy) and abscess drainage.

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

abscess drainage	11
doctor visit	1394
incision and drainage	11
minor procedures	11
phototherapy (light therapy)	12
removal of lesion (e.g. growth)	789
skin procedures	801
skin surgery	11

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Male	542
Female	459

**Ethnicity**
Non-Hispanic White	897
Black	0
Hispanic	25
Asian	0
Other	65
Native American	0

**Age**
From 65 to 74	460
From 75 to 84	396
85 and over	127
Less than 65	18

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2024

Hypertension	56
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	22
Depression	14
Chronic Kidney Disease	13
Asthma	8
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	12
Dementia	3
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2016 - 2024

Volume of procedures performed by Dr. Matthew Michael Koehler, DO, FAAD for Medicare patients.

The highest averages for the top procedures that Dr. Matthew Michael Koehler, DO, FAAD treated as a dermatologist in San Rafael, CA were skin procedures, removal of lesion (e.g. growth), diagnostic procedures and cancer surgery.

abscess drainage	17
cancer surgery	22
diagnostic procedures	122
doctor visit	978
ear procedures	15
incision and drainage	17
injections	14
lab tests	11
minor procedures	17
phototherapy (light therapy)	17
removal of lesion (e.g. growth)	551
skin procedures	559
skin surgery	20

Average Medicare Patient Data From 2016 - 2024

Information about Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD.

**Gender**
Female	335
Male	350

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	3
Non-Hispanic White	622
Hispanic	4
Native American / Alaskan Native	0
Other	37

**Age**
85 and over	85
75 to 84	239
Less than 65	15
65 to 74	343

Average of Total of Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD From 2016 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Matthew Michael Koehler, DO, FAAD treated were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	48
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	22
Depression	13
Chronic Kidney Disease	13
Asthma	5
Osteoporosis	11
Heart Failure	7
Chronic Obstructive Pulmonary Disease	5
Diabetes	12
Atrial Fibrillation	11
Cancer	11
Dementia	4

Education & Training

Dr. Matthew Michael Koehler, DO, FAAD graduated from Touro University College of Osteopathic Medicine. He completed residency at OPTI-West/Chino Valley Medical Center - Chino, CA. He is certified by the Board Certification: American Osteopathic Association - Dermatology and has a state license in California.

Medical School: Touro University College of Osteopathic Medicine

Residency: OPTI-West/Chino Valley Medical Center - Chino, CA

Board Certification: Board Certification: American Osteopathic Association - Dermatology

Licensed In: California

Affiliations & Hospitals

Dr. Matthew Michael Koehler, DO, FAAD is associated with these hospitals and organizations:

Marin General Hospital

Hill Physicians

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Matthew Michael Koehler, DO, FAAD appears to accept the following insurance providers: UnitedHealthcare, Anthem and Western Health Advantage (WHA).

Insurance Accepted by Provider includes:

According to our sources, Dr. Matthew Michael Koehler, DO, FAAD accepts the following insurance providers:

UnitedHealthcare

Anthem

Western Health Advantage (WHA)

Ratings & Reviews

Dr. Matthew Michael Koehler, DO, FAAD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 15 ratings. We collect ratings and reviews of Dr. Matthew Michael Koehler, DO, FAAD from all over the web to help you find the right in San Rafael, CA.

Overall Rating

(15 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2025-12-22

Patient verified via Press Ganey

Dr. K is awesome, always very friendly and explains options thoroughly and provides really good recommendations. I look forward to my annual check-up.

Overall Rating: 5.0 2025-12-10

Patient verified via Press Ganey

I only have good things to say about Dr Koehler. He is kind, positive, respectful, personable and truly listens to your concerns.A+++

Overall Rating: 5.0 2024-08-24

Patient verified via Press Ganey

Dr Koehler spent an appropriate amount of time telling me what he would do to allay any concerns I had.

Overall Rating: 5.0 2025-09-29

Patient verified via Press Ganey

I greatly appreciate the care and expertise of the care provider. Excellent

Overall Rating: 5.0 2025-08-06

Patient verified via Press Ganey

There were no treatments done. The practitioner was great

Overall Rating: 5.0 2025-06-24

Patient verified via Press Ganey

Fantastic doctor through and through

Overall Rating: 5.0 2025-03-13

Patient verified via Press Ganey

Dr Koehler is excellent.

Overall Rating: 5.0 2025-07-09

Patient verified via Press Ganey

Excellent in all areas

Overall Rating: 5.0 2025-12-23

Patient verified via Press Ganey

Doctor is very good.

Overall Rating: 5.0 2026-04-04

Patient verified via Press Ganey

Wonderful!!

General Payments

These charts describe general payments received by Dr. Matthew Michael Koehler, DO, FAAD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Medimetriks Pharmaceuticals, Inc.	$1,291 Neo-Synalar Cream $1,250	Neo-Synalar Cream Kit $41
Lilly USA, LLC	$774 TALTZ $450	OLUMIANT $202	ZEPBOUND $64	EBGLYSS $58
Novartis Pharmaceuticals Corporation	$552 COSENTYX $534	$18
Galderma Laboratories, L.P.	$373 EPIDUO FORTE $300	ORACEA $39	TWYNEO $16	TRILUMA $14	SOOLANTRA $4
AbbVie Inc.	$286 Skyrizi $178	Humira $90	Rinvoq $18
Other	$1,936 DUPIXENT $307	Finacea $198	Enbrel $166	OPZELURA $163	ADBRY $136	Other $967

**Types of Payments**
Food and Beverage	$3,931
Consulting Fee	$1,250
Education	$31

Biography

Dr. Matthew Koehler is a dermatology (skin disorders) specialist in San Rafael, CA and Novato, CA. He is rated highly by his patients. He is in-network for Anthem, UnitedHealthcare, and Blue California insurance. Dr. Koehler graduated from Touro University College of Osteopathic Medicine. His hospital/clinic affiliations include Marin General Hospital and Hill Physicians. According to Hill Physicians, new patients are welcome to contact Dr. Koehler's office in Novato, CA.

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Dr. Matthew Michael Koehler, DO, FAAD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Matthew Michael Koehler, DO, FAAD in 2024

By Volume:

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2016 - 2024

Average Medicare Patient Data From 2016 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Matthew Michael Koehler, DO, FAAD From 2016 - 2024

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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