NPPES file of Aug 9, 2026

David Claude Ryan, M.D.

Family Medicine Physician · San Diego, CA

David Claude Ryan, M.D. is a family medicine physician with a practice address in San Diego, California, and NPI 1992801997, issued on Sep 16, 2006. Check the license (California G74922, 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
1992801997
Name
David Claude Ryan
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G74922 CA
Self-reported in NPPES; status is on the state search
Practice location
2931 Jarvis St, San Diego, CA 92106
Phone
(619) 222-2355
Enumerated
Sep 16, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(619) 222-2721
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 2931 Jarvis St

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

  1. Sunita Shailam, M.D.Family Medicine Physician1174625933

Verify David Claude 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 G74922
    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

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46% fewer Medicare Part D claims than the average family medicine physician in 2024

1,904 Medicare Part D claims for 154 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 58 claims were for opioids.

  1. David Ryan1,904
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium119 claims
  2. Losartan Potassium107 claims
  3. Levothyroxine Sodium86 claims
  4. Albuterol Sulfate Hfa66 claims
  5. Alprazolam65 claims
  6. Trazodone Hcl58 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: $27.65

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Ryan$27.65
  2. Specialty average$902.55

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

David Claude Ryan among 17,133 family medicine physician records in California

David Claude Ryan, M.D. is one of 17,133 family 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2007 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

780 family medicine physician records list a practice address in San Diego

They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nathan Freeman, M.D.San Diego, CA 921061932272630
  2. Cristiana Golu, MDSan Diego, CA 921061083684997
  3. Shuang LinSan Diego, CA 921061689093684
  4. Emmett Rice, D.O.San Diego, CA 921061073511150
  5. Sunita Shailam, M.D.San Diego, CA 921061174625933
  6. Sung Song, M.D.San Diego, CA 921061629052170
  7. Alex Vo, MDSan Diego, CA 921061508425760
  8. Christina Braunworth, APRNSan Diego, CA 921071831794023

Common questions

What is David Claude Ryan, M.D.'s NPI number?

David Claude Ryan, M.D.'s National Provider Identifier (NPI) is 1992801997, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Claude Ryan, M.D. located?

The NPPES record lists a practice address at 2931 Jarvis St, San Diego, CA, 92106. Phone: (619) 222-2355. Providers update this record themselves, so call before visiting.

How can I verify David Claude Ryan, M.D.'s license?

NPPES lists California license number G74922, 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 David Claude Ryan, M.D. prescribe under Medicare Part D?

In 2024, David Claude Ryan, M.D. had 1,904 Medicare Part D claims for 154 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.