Dr. Matthew Michael Koehler, DO

  • San Rafael, CA
  • Dermatologist
NPI1801090519PAC ID7416243159
Medicare services, 2024
5,417
Medicare patients, 2024
1,001
Part D claims, 2024
1,024
Publications
2
MIPS score, 2024
81
Practice address
5000 Civic Center Dr, San Rafael, CA 94903
Practice phone
Call (415) 884-1840
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Prima Medical Foundation

San Rafael, California

See all 4 affiliations

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Dr. Matthew Michael Koehler is a dermatologist in San Rafael, California

Dr. Koehler practices at Prima Medical Foundation in San Rafael, California.

Dr. Koehler's NPI, 1801090519, was assigned on June 14, 2007. Dr. Koehler graduated from Touro University California in 2007. Dr. Koehler holds California license 10685.

NPI and contact details
Medicare PAC ID
7416243159
NPI enumeration date
June 14, 2007
NPI status
Active
Practice phone
(415) 884-1840
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Matthew Michael Koehler practices at Prima Medical Foundation in San Rafael, California

Dr. Koehler's primary practice is Prima Medical Foundation, at 5000 Civic Center Dr, San Rafael, CA 94903 in Marin County. The practice phone is (415) 884-1840.

  • Prima Medical Foundation
    5000 Civic Center Dr, San Rafael, CA 94903 · Marin CountyPhone(415) 884-1840

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Matthew Michael Koehler is affiliated with 3 sites of care and 1 medical group

Dr. Koehler's primary practice is Prima Medical Foundation in San Rafael, California. Dr. Koehler is also affiliated with MarinHealth Medical Center. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Koehler to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Koehler

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Matthew Michael Koehler's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koehler practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Prima Medical FoundationAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Matthew Michael Koehler is one of 1,910 dermatologists in California

Dermatology is Dr. Koehler's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Koehler is board certified in dermatology by the AOA Board of Dermatology. Dr. Koehler is licensed in California.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense 10685 · taxonomy 207N00000X

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and facial skin infection among the conditions Dr. Koehler treats.

Dermatologists near Dr. Koehler

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

1,910dermatologists in California
6dermatologists in San Rafael

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Matthew Michael Koehler billed Medicare for 5,417 services in 2024

CMS data shows 5,417 Medicare services from Dr. Koehler across 30 procedure codes in 2024, for 1,001 Medicare patients. Medicare paid $251,292 for them. Every service was in an office.

Medicare services, 20245,417
Medicare patients1,001
Paid by Medicare$251,292
Procedure codes30

Dr. Koehler's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 3,5872024: 3,98711%
Office and hospital visits
2023: 1,2642024: 1,40611%
Drugs given in the office
2023: 132024: 128%
Tests and treatments
2023: 132024: 128%

Dr. Koehler compared with the California median for dermatologists, 2024

  • Dr. Koehler
  • California median
Medicare services
5,417vs 1,7503.1 times
Medicare patients
1,001vs 3772.7 times
Part D claims
860vs 3672.3 times

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Koehler's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Koehler

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Matthew Michael Koehler treated 1,001 Medicare patients in 2024, average age 76

CMS counts 1,001 Medicare patients who saw Dr. Koehler in 2024. The largest group is 65 to 74, with 460 patients. 75% of them have high cholesterol, and 56% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Koehler's median patient age at 61, with 48% women.

Medicare patients, 20241,001
Average age76
Average risk score0.90
Also on Medicaid4%

Dr. Koehler's Medicare patients by age, 2024

Dr. Koehler's Medicare patients by sex, 2024

  • Women45946%
  • Men54254%

Chronic conditions among Dr. Koehler's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure56%
  3. Arthritis45%
  4. Ischemic heart disease22%
  5. Anxiety18%
  6. Atrial fibrillation16%
  7. Cancer16%
  8. Mood disorders16%

Share of Medicare patients with each condition. A patient can have several.

Dr. Koehler's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women48%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Matthew Michael Koehler wrote 1,024 Medicare Part D claims in 2024

In 2024, Dr. Koehler wrote 1,024 Medicare Part D claims for 478 patients. 91% of them were for generic drugs. CMS names the drug for 860 of them, across 21 drugs with 11 or more claims each, at $205,681 in total drug cost. In 2023, CMS named 714 claims across 23 drugs.

Part D claims, 20241,024
Drugs named by CMS21
Total drug cost$205,681
Part D patients478

Dr. Koehler's Part D claims by kind of drug, 2024

  • Generic935 claims91%
  • Brand-name89 claims9%

Dr. Koehler's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Koehler's Part D claims, 2024

  • Antibiotics6%62 of 1,024 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7142024: 86020%

Drugs named by CMS: 21 in 2024, 23 in 2023.

See all prescribing by Dr. Koehler

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Matthew Michael Koehler scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Koehler for performance year 2024. CMS counts 1,647 procedures of removal of skin lesions by Dr. Koehler, more than 97% of the clinicians it reports for that procedure.

Dr. Koehler's MIPS scores, performance year 2024

  • 81of 100Final score
  • 80.9of 100Quality
  • 76of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Koehler ranks in Medicare procedure volume

Removal of skin lesions
97th percentile1,647 procedures
Skin biopsy
90th percentile292 procedures
Removal or shaving of skin growth
88th percentile166 procedures
Melanoma (skin cancer) excision
95th percentile141 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Matthew Michael Koehler has 2 publications on record

Dmand AI links 2 papers to Dr. Koehler. Dr. Koehler's most frequent co-authors are Camille Ann Henninger, MD and Elizabeth Kline Satter, MD, MPH, MS.

Papers2

Dr. Koehler's most frequent co-authors

Recent publications by Dr. Koehler

See all 2 publications and co-authors

See who Dr. Koehler researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Koehler works with, so you can find a warm path to the right dermatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Matthew Michael Koehler received $4,500 in industry payments from 2016 to 2025

CMS Open Payments shows 223 general payments to Dr. Koehler from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Eli Lilly and Company paid the most, $892.

General payments to Dr. Koehler by program year, 2016 to 2025

General payments to Dr. Koehler by kind, 2016 to 2025

$4.5Kin total
  • Food and beverage$4,46999%
  • Education$311%

Companies that paid Dr. Koehler the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Koehler

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Matthew Michael Koehler graduated from Touro University California

Dr. Koehler graduated from Touro University California in 2007. Dr. Koehler is a member of AOA.

  1. Medical schoolTouro University California
  2. Board certified in dermatologyAOA Board of Dermatology
  3. Board certified in 2009 - 2026CA State License
  4. Board certified in 2008 - 2011MI State License

Source: Dmand AI Professional Profile Data

Dr. Matthew Michael Koehler accepts plans from 11 insurance carriers

Dr. Koehler is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +3 more carriersWith a free account

Plan types Dr. Koehler accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO5
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Matthew Michael Koehler's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Matthew Michael Koehler

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Matthew Michael Koehler's NPI number?

Dr. Matthew Michael Koehler's NPI number is 1801090519. It was assigned on June 14, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew Michael Koehler?

Dr. Matthew Michael Koehler is a dermatologist in San Rafael, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Matthew Michael Koehler practice?

Dr. Koehler practices at 5000 Civic Center Dr, San Rafael, CA 94903. Dr. Koehler's primary practice is Prima Medical Foundation in San Rafael, California. Dmand AI also links Dr. Koehler to 1 group practice or clinic.

What is Dr. Matthew Michael Koehler's office phone number?

The practice phone on file for Dr. Koehler is (415) 884-1840.

What is Dr. Matthew Michael Koehler's medical license number?

Dr. Koehler holds California license 10685.

Which hospitals is Dr. Matthew Michael Koehler affiliated with?

Dr. Koehler is affiliated with MarinHealth Medical Center.

What medical group is Dr. Matthew Michael Koehler part of?

Dr. Koehler is linked to UCSF Medical Group.

Does Dr. Matthew Michael Koehler accept Medicare?

Yes. CMS data shows Dr. Koehler billed Medicare for 5,417 services in 2024.

What is Dr. Matthew Michael Koehler's MIPS score?

Dr. Koehler's MIPS final score for performance year 2024 is 81 out of 100.

How many Medicare patients does Dr. Matthew Michael Koehler see?

CMS counts 1,001 Medicare patients who saw Dr. Koehler in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Matthew Michael Koehler board certified?

Yes. Dr. Koehler is board certified in dermatology by the AOA Board of Dermatology.

What services does Dr. Matthew Michael Koehler bill to Medicare?

In 2024, Dr. Koehler's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).

Where did Dr. Matthew Michael Koehler go to medical school?

Dr. Koehler graduated from Touro University California in 2007.

What drugs does Dr. Matthew Michael Koehler prescribe most?

In 2024 Medicare Part D data, Dr. Koehler's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Fluocinonide.

Has Dr. Matthew Michael Koehler received payments from drug or device companies?

CMS Open Payments shows $4,500 in general payments to Dr. Koehler from 25 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Matthew Michael Koehler been practicing?

Dr. Koehler graduated from medical school in 2007, 19 years ago.

Does Dr. Matthew Michael Koehler do research?

Dmand AI links 2 publications to Dr. Koehler.

Who does Dr. Matthew Michael Koehler publish with?

Dr. Koehler's most frequent co-authors are Camille Ann Henninger, MD (1 shared paper) and Elizabeth Kline Satter, MD, MPH, MS (1 shared paper).

What insurance does Dr. Matthew Michael Koehler accept?

Dr. Koehler is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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