NPPES file of Aug 9, 2026

Oliver M. Burrows, M.D.

Family Medicine Physician · Glendora, CA

Oliver M. Burrows, M.D. is a family medicine physician with a practice address in Glendora, California, and NPI 1033157979, issued on Jun 3, 2006. Check the license (California A043321, 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
1033157979
Name
Oliver M. Burrows
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A043321 CA
Self-reported in NPPES; status is on the state search
Practice location
1377 S Grand Ave, Glendora, CA 91740
Phone
(626) 483-3348
Enumerated
Jun 3, 2006
Record last updated
Mar 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(626) 914-5316
Medicaid ID
GR0023980 CA
Medicare enrollment
Enrolled (PECOS I20100422001047); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 1985
Telehealth
Offers telehealth (CMS)
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 1377 S Grand Ave

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

  1. Huyenlan Dinh, D.O.Dermatology Physician1306257381
  2. Mayra Hubbard, PA.Medical Physician Assistant1033499108
  3. Elena Mourachko-Cheng, FNPFamily Nurse Practitioner1386035897
  4. Monica Nadal, ANP-CAdult Health Nurse Practitioner1548661101
  5. Lisa Nakatani, FNP-CFamily Nurse Practitioner1114311560
  6. Karen Pabalan, NP-CFamily Nurse Practitioner1487971404

Verify Oliver M. Burrows in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A043321
    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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2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,330 Medicare Part D claims for 716 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 195 claims were for opioids.

  1. Oliver Burrows8,330
  2. Specialty average3,544

Most prescribed

  1. Lisinopril508 claims
  2. Losartan Potassium377 claims
  3. Amlodipine Besylate352 claims
  4. Metformin Hcl318 claims
  5. Levothyroxine Sodium263 claims
  6. Tamsulosin Hcl251 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: $758.42

35 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. 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. Oliver Burrows$758.42
  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.

Bills Medicare through one group practice

  1. Burrows Family Practice IncGlendora, CA

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

Oliver M. Burrows among 17,133 family medicine physician records in California

Oliver M. Burrows, 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 fileYes · 62% of these records are
  • Graduated1985 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 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).

22 family medicine physician records list a practice address in Glendora

They are 22 of the 921 NPPES records with a practice address in Glendora, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Violeta Atiga, M.D.Glendora, CA 917401538220835
  2. Florence Cappleman, MDGlendora, CA 917401073725297
  3. -Rafik Girgis, M.D.Glendora, CA 917401225058597
  4. Krunal Mehta, M.D.Glendora, CA 917401982867602
  5. Michael NguyenGlendora, CA 917401306672795
  6. Andrew Owen, D.O., D.C.Glendora, CA 917401578740684
  7. Fred Sahhar, M.D.Glendora, CA 917401881753614
  8. Krekor Tomassian, MDGlendora, CA 917401891807673

Common questions

What is Oliver M. Burrows, M.D.'s NPI number?

Oliver M. Burrows, M.D.'s National Provider Identifier (NPI) is 1033157979, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Oliver M. Burrows, M.D. located?

The NPPES record lists a practice address at 1377 S Grand Ave, Glendora, CA, 91740. Phone: (626) 483-3348. Providers update this record themselves, so call before visiting.

How can I verify Oliver M. Burrows, M.D.'s license?

NPPES lists California license number A043321, 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 Oliver M. Burrows, M.D. prescribe under Medicare Part D?

In 2024, Oliver M. Burrows, M.D. had 8,330 Medicare Part D claims for 716 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.