Registry data as of Aug 27, 2026

William Davis, M.D.

Cardiovascular Disease Physician · La Mesa, CA

William Davis, M.D. is a cardiovascular disease physician with a practice address in La Mesa, California, and NPI 1316939978, issued on Aug 19, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1316939978
Name
William Davis
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
Practice location
7877 Parkway Dr, La Mesa, CA 91942
Phone
(619) 461-3717
Enumerated
Aug 19, 2005
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 7877 Parkway Dr

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

  1. Glenn Cook, MDOphthalmology Physician1013078427
  2. Martin Nosan, MDInternal Medicine Physician1184748311
  3. Mark Shaffer, M.D.Internal Medicine Physician1255436804
  4. Anthony Tran, D.D.S.General Practice Dentistry1609963974
  5. Paul Treger, MDOphthalmology Physician1447311899

Verify William Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

26 Medicare Part D claims, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Davis26
  2. Specialty average3,149

Most prescribed

  1. Levothyroxine Sodium17 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.

Cardiovascular Disease Physician providers in California

There are 2,322 cardiovascular disease physician records in California.

Other cardiovascular disease physician records in California

  1. Abdul Abbasi, MDLong Beach, CA1710071717
  2. Lillian Abdelmalek, MDSacramento, CA1881343796
  3. Robin Abdelmalik, M.D. FACCTemecula, CA1275656662
  4. Roberto Abdelnur, MDEl Centro, CA1982648606
  5. Sohail Abdi-Moradi, M.D.Moorpark, CA1376862938
  6. Nadia Abelhad, M.D.Chula Vista, CA1619400801
  7. Mohammad Abid, MD FACCIndio, CA1699857706
  8. Georges Abou Rjaili, MDRiverside, CA1073896544
  9. Maria Abraham, M.D.San Francisco, CA1669436960
  10. Theodore Abraham, M.D.San Francisco, CA1467427096

Common questions

What is William Davis, M.D.'s NPI number?

William Davis, M.D.'s National Provider Identifier (NPI) is 1316939978, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Davis, M.D. located?

The NPPES record lists a practice address at 7877 Parkway Dr, La Mesa, CA, 91942. Phone: (619) 461-3717. Providers update this record themselves, so call before visiting.

How can I verify William Davis, M.D.'s license?

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 William Davis, M.D. prescribe under Medicare Part D?

In 2024, William Davis, M.D. had 26 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.