NPPES file of Aug 9, 2026

Spencer James Wheeler, MD

Internal Medicine Physician · San Diego, CA

Spencer James Wheeler, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1427750611, issued on Mar 20, 2023. Check the license (California A199857, 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
1427750611
Name
Spencer James Wheeler
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A199857 CA
Self-reported in NPPES; status is on the state search
Practice location
4077 Fifth Ave # Mer-35, San Diego, CA 92103
Phone
(858) 832-2478
Enumerated
Mar 20, 2023
Record last updated
May 13, 2025
Medicare enrollment
Enrolled (PECOS I20250522001999); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2023
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 4077 Fifth Ave # Mer-35

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

  1. Ibrahim Abukhieran, DPMStudent in an Organized Health Care Education/Training Program1811690720
  2. Sara Akhlaghi, MDStudent in an Organized Health Care Education/Training Program1811799422
  3. Margaret Appiah, MDStudent in an Organized Health Care Education/Training Program1902593775
  4. Emily Avery, MDStudent in an Organized Health Care Education/Training Program1609571447
  5. Amaan Azeemullah, MDStudent in an Organized Health Care Education/Training Program1225820095
  6. Harjit Badyal, DPMStudent in an Organized Health Care Education/Training Program1114867488

Verify Spencer James Wheeler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A199857
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

46 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Spencer Wheeler46
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Family Health Centers OF San Diego IncSan Diego, CA

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

Spencer James Wheeler among 17,696 internal medicine physician records in California

Spencer James Wheeler, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2023 · median 2004 among the 11,065 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hamid Amjadi, DOSan Diego, CA 921031700861333
  2. Donald Brandon, M.D.San Diego, CA 921031740272467
  3. Daniel Bressler, M.D.San Diego, CA 921031700887726
  4. Eric Dahms, M.D.San Diego, CA 921031306808464
  5. Janette Gray, M.D.San Diego, CA 921031295721876
  6. San Hsieh, MDSan Diego, CA 921031851388847
  7. Arthur Kingsbury, M.D.San Diego, CA 921031144216284
  8. Timothy O'Neill, M.D.San Diego, CA 921031831172295

Common questions

What is Spencer James Wheeler, MD's NPI number?

Spencer James Wheeler, MD's National Provider Identifier (NPI) is 1427750611, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Spencer James Wheeler, MD located?

The NPPES record lists a practice address at 4077 Fifth Ave # Mer-35, San Diego, CA, 92103. Phone: (858) 832-2478. Providers update this record themselves, so call before visiting.

How can I verify Spencer James Wheeler, MD's license?

NPPES lists California license number A199857, 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 Spencer James Wheeler, MD prescribe under Medicare Part D?

In 2024, Spencer James Wheeler, MD had 46 Medicare Part D claims for 17 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.