NPPES file of Aug 9, 2026

Patricia F. Marquez, MD

Internal Medicine Physician · Azusa, CA

Patricia F. Marquez, MD is an internal medicine physician with a practice address in Azusa, California, and NPI 1336109453, issued on Mar 24, 2006. Check the license (California A62251, 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
1336109453
Name
Patricia F. Marquez
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A62251 CA
Self-reported in NPPES; status is on the state search
Practice location
121 E Tenth St, Azusa, CA 91702
Phone
(626) 347-5214
Enumerated
Mar 24, 2006
Record last updated
May 3, 2023
Fax
(626) 633-3877
Medicaid ID
1336109453 CA
Medicare enrollment
Enrolled (PECOS I20050126000566); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1995
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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Verify Patricia F. Marquez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A62251
    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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62% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,206 Medicare Part D claims for 102 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.

  1. Patricia Marquez1,206
  2. Specialty average3,176

Most prescribed

  1. Lisinopril63 claims
  2. Atorvastatin Calcium62 claims
  3. Metformin Hcl53 claims
  4. Amlodipine Besylate47 claims
  5. Omeprazole47 claims
  6. Losartan Potassium39 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.

Patricia F. Marquez among 17,696 internal medicine physician records in California

Patricia F. Marquez, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1995 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 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).

4 internal medicine physician records list a practice address in Azusa

They are 4 of the 464 NPPES records with a practice address in Azusa, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bhupinder Bains, M.DAzusa, CA 917021013009067
  2. Bina Kamdar, MDAzusa, CA 917021063474583
  3. Sana KamdarAzusa, CA 917021821582263
  4. Syed Saquib, M.D.Irwindale, CA 917021700970340
  5. John Bigley, MDBaldwin Park, CA 917061447321328
  6. Jyh Chang, M.D.Baldwin Park, CA 917061346259595
  7. Victoria Chen, M.D.Baldwin Park, CA 917061760423016
  8. Daisy Lynn Galario, M.D.Baldwin Park, CA 917061235174129

Common questions

What is Patricia F. Marquez, MD's NPI number?

Patricia F. Marquez, MD's National Provider Identifier (NPI) is 1336109453, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Patricia F. Marquez, MD located?

The NPPES record lists a practice address at 121 E Tenth St, Azusa, CA, 91702. Phone: (626) 347-5214. Providers update this record themselves, so call before visiting.

How can I verify Patricia F. Marquez, MD's license?

NPPES lists California license number A62251, 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 Patricia F. Marquez, MD prescribe under Medicare Part D?

In 2024, Patricia F. Marquez, MD had 1,206 Medicare Part D claims for 102 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.