NPPES file of Aug 9, 2026

Michael Philip Ryan, MD

Dermatology Physician · Fremont, CA

Michael Philip Ryan, MD is a dermatology physician with a practice address in Fremont, California, and NPI 1699303008, issued on Mar 31, 2020. Check the license (California A191514, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699303008
Name
Michael Philip Ryan
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
A191514 CA
Self-reported in NPPES; status is on the state search
Practice location
39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone
(510) 248-3045
Enumerated
Mar 31, 2020
Record last updated
Aug 2, 2024
Medicare enrollment
Enrolled (PECOS I20240809003038); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 39400 Paseo Padre Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Denise Agatep, LCSWCounselor1164584900
  2. Ujwala Agharkar, MDChild & Adolescent Psychiatry Physician1073685723
  3. Dolly Ahluwalia, RDRegistered Dietitian1659429157
  4. Tabassum Alam, MDHospitalist Physician1306921069
  5. Mary Alyono, MDAnesthesiology Physician1477631059
  6. Stephanie Aoki, PHDPsychologist1427721216

Verify Michael Philip Ryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A191514
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average dermatology physician in 2024

163 Medicare Part D claims for 59 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Michael Ryan163
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide33 claims
  2. Fluocinonide21 claims
  3. Betamethasone Diprop Augmented12 claims
  4. Betamethasone Dipropionate12 claims
  5. Imiquimod11 claims
  6. Methotrexate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,264.73

14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Ryan$1,264.73
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncUnion City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Philip Ryan among 2,083 dermatology physician records in California

Michael Philip Ryan, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.

  • NPI issued2020 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2020 · median 2006 among the 1,450 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. Jeffrey Carmel, MDFremont, CA 945381235109893
  2. Charles Chiang, M.DFremont, CA 945381780889519
  3. Sunil Dhawan, MDFremont, CA 945381326018987
  4. Stephanie Friduss, MDFremont, CA 945381215012976
  5. David Gorsulowsky, MDFremont, CA 945381649272832
  6. Tatiana Grzeszkiewicz, M.D., PH.D.Fremont, CA 945381841386489
  7. Ellen Haddock, MDFremont, CA 945381851823454
  8. Matthew Kanzler, MDFremont, CA 945381629032271

Common questions

What is Michael Philip Ryan, MD's NPI number?

Michael Philip Ryan, MD's National Provider Identifier (NPI) is 1699303008, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Michael Philip Ryan, MD located?

The NPPES record lists a practice address at 39400 Paseo Padre Pkwy, Fremont, CA, 94538. Phone: (510) 248-3045. Providers update this record themselves, so call before visiting.

How can I verify Michael Philip Ryan, MD's license?

NPPES lists California license number A191514, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Philip Ryan, MD prescribe under Medicare Part D?

In 2024, Michael Philip Ryan, MD had 163 Medicare Part D claims for 59 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.