NPPES file of Aug 9, 2026

Brian S. Drummond, M.D.

General Practice Physician · San Diego, CA

Brian S. Drummond, M.D. is a general practice physician with a practice address in San Diego, California, and NPI 1538130786, issued on Jan 27, 2006. Check the license (California A81892, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538130786
Name
Brian S. Drummond
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
A81892 CA
Self-reported in NPPES; status is on the state search
Practice location
34800 Bob Wilson Dr, San Diego, CA 92134
Phone
(619) 532-6460
Enumerated
Jan 27, 2006
Record last updated
Mar 4, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(619) 532-6299
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 34800 Bob Wilson Dr

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

  1. Jose Acosta, MDSurgical Critical Care Physician1861418618
  2. Nehkonti Adams, M.D.Infectious Disease Physician1194985705
  3. Maryam Adebayo, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1346799269
  4. Caleb Adkins, DOGeneral Practice Physician1689430860
  5. Kyle Adkins, PHARMDPharmacist1477740884
  6. Phillip Adriano, M.D.Emergency Medicine Physician1568576585

Verify Brian S. Drummond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A81892
    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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99% fewer Medicare Part D claims than the average general practice physician in 2024

35 Medicare Part D claims for 27 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.

  1. Brian Drummond35
  2. Specialty average3,030

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.

The MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.7
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Brian S. Drummond among 1,956 general practice physician records in California

Brian S. Drummond, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 66% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2010 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. Taylor Brown, D.O.San Diego, CA 921341235459488
  2. Amy Callahan, D.O.San Diego, CA 921341437319209
  3. Leonard Costantini, D.O.San Diego, CA 921341700266764
  4. Ikemefuna Ezedi, DOSan Diego, CA 921341255745626
  5. Erin Griffith, D.O.San Diego, CA 921341225029192
  6. Shawn McHugh, D.O.San Diego, CA 921341831161892
  7. Eimaneh Mostofian, M.D.San Diego, CA 921341154477628
  8. Truong Nguyen, D.O.San Diego, CA 921341639215080

Common questions

What is Brian S. Drummond, M.D.'s NPI number?

Brian S. Drummond, M.D.'s National Provider Identifier (NPI) is 1538130786, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian S. Drummond, M.D. located?

The NPPES record lists a practice address at 34800 Bob Wilson Dr, San Diego, CA, 92134. Phone: (619) 532-6460. Providers update this record themselves, so call before visiting.

How can I verify Brian S. Drummond, M.D.'s license?

NPPES lists California license number A81892, 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 Brian S. Drummond, M.D. prescribe under Medicare Part D?

In 2024, Brian S. Drummond, M.D. had 35 Medicare Part D claims for 27 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.

What is Brian S. Drummond, M.D.'s MIPS final score?

The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.