NPPES file of Aug 9, 2026

Richard Doyan, M.D.

Emergency Medicine Physician · Emeryville, CA

Richard Doyan, M.D. is an emergency medicine physician with a practice address in Emeryville, California, and NPI 1992740765, issued on Jun 17, 2006. Check the license (California C50937, 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
1992740765
Name
Richard Doyan
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
C50937 CA
Self-reported in NPPES; status is on the state search
Practice location
2100 Powell St, Emeryville, CA 94608
Phone
(510) 350-2777
Enumerated
Jun 17, 2006
Record last updated
Feb 25, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(818) 235-8552
Medicaid ID
00C509370 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2100 Powell St

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

  1. Heather Angell, M.D.Emergency Medicine Physician1518275726
  2. Clayton Barnes Martinez, MD, MPHPsychiatry Physician1922453513
  3. Will Blackmon, PA-CPhysician Assistant1073925160
  4. Nicole Braxley, MDEmergency Medicine Physician1891971578
  5. Michael Brazelton, PA-CPhysician Assistant1811355274
  6. Matthew Cleveland, PA-CMedical Physician Assistant1750685905

Verify Richard Doyan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C50937
    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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69% fewer Medicare Part D claims than the average emergency medicine physician in 2024

69 Medicare Part D claims for 49 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Richard Doyan69
  2. Specialty average226

Most prescribed

  1. Ibuprofen11 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: $42.22

2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Richard Doyan$42.22
  2. Specialty average$953.79

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

Richard Doyan among 7,751 emergency medicine physician records in California

Richard Doyan, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2013 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 emergency medicine physician records list a practice address in Emeryville

They are 32 of the 703 NPPES records with a practice address in Emeryville, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Kathryn Hall-Boyer, MDEmeryville, CA 946081144240201
  2. Robert Huxol, DOEmeryville, CA 946081477509461
  3. Robert Kim, MDEmeryville, CA 946081851444384
  4. Anne Ledvina, MDEmeryville, CA 946081932271954
  5. Jeffery Leinen, M.D.Emeryville, CA 946081114983244
  6. Guisou MahmoudEmeryville, CA 946081164435996
  7. Todd McGregor, MDEmeryville, CA 946081427106400
  8. James Montoya, MDEmeryville, CA 946081235193160

Common questions

What is Richard Doyan, M.D.'s NPI number?

Richard Doyan, M.D.'s National Provider Identifier (NPI) is 1992740765, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard Doyan, M.D. located?

The NPPES record lists a practice address at 2100 Powell St, Emeryville, CA, 94608. Phone: (510) 350-2777. Providers update this record themselves, so call before visiting.

How can I verify Richard Doyan, M.D.'s license?

NPPES lists California license number C50937, 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 Richard Doyan, M.D. prescribe under Medicare Part D?

In 2024, Richard Doyan, M.D. had 69 Medicare Part D claims for 49 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.