NPPES file of Aug 9, 2026

Diana Lowrey Mendez, DO

Family Medicine Physician · Los Angeles, CA

Diana Lowrey Mendez, DO is a family medicine physician with a practice address in Los Angeles, California, and NPI 1871748343, issued on Nov 24, 2008. Check the license (California 20A 10525, 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
1871748343
Name
Diana Lowrey Mendez
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A 10525 CA
Self-reported in NPPES; status is on the state search
Practice location
2032 Marengo St, Los Angeles, CA 90033
Phone
(323) 987-1030
Enumerated
Nov 24, 2008
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090715000361); accepts Medicare assignment
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 2032 Marengo St

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

  1. Jasmin AguirreAddiction (Substance Use Disorder) Counselor1841804929
  2. Renee-Marie AlvarezAddiction (Substance Use Disorder) Counselor1891516977
  3. Erica AriasMental Health Counselor1033993571
  4. Mary ArriagaCounselor1851807416
  5. Godofredo Astudillo, M.D.General Practice Physician1972695963
  6. Edward Avina, RADTAddiction (Substance Use Disorder) Counselor1639937956

Verify Diana Lowrey Mendez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A 10525
    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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46% more Medicare Part D claims than the average family medicine physician in 2024

5,185 Medicare Part D claims for 639 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 170 claims were for opioids.

  1. Diana Mendez5,185
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium533 claims
  2. Amlodipine Besylate313 claims
  3. Rosuvastatin Calcium225 claims
  4. Lisinopril180 claims
  5. Losartan Potassium171 claims
  6. Metformin Hcl Er151 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupLos Angeles, CA

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

Diana Lowrey Mendez among 17,133 family medicine physician records in California

Diana Lowrey Mendez, DO 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 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2007 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 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).

829 family medicine physician records list a practice address in Los Angeles

They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mauricio Bueno, M.D.Los Angeles, CA 900331750332029
  2. Edward Castro, M.D.Los Angeles, CA 900331750330817
  3. Maria Cifuentes-Butler, M.D.Los Angeles, CA 900331871604496
  4. Claire Koga, M.D.Los Angeles, CA 900331891746665
  5. Robert Krochmal, M.D.Los Angeles, CA 900331144278938
  6. Michael Lee, MD,MPHLos Angeles, CA 900331336252683
  7. Daniel Maldonado, M.D.Los Angeles, CA 900331851344949
  8. Maureen Mavrinac, M.D.Los Angeles, CA 900331427000850

Common questions

What is Diana Lowrey Mendez, DO's NPI number?

Diana Lowrey Mendez, DO's National Provider Identifier (NPI) is 1871748343, issued on Nov 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Diana Lowrey Mendez, DO located?

The NPPES record lists a practice address at 2032 Marengo St, Los Angeles, CA, 90033. Phone: (323) 987-1030. Providers update this record themselves, so call before visiting.

How can I verify Diana Lowrey Mendez, DO's license?

NPPES lists California license number 20A 10525, 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 Diana Lowrey Mendez, DO prescribe under Medicare Part D?

In 2024, Diana Lowrey Mendez, DO had 5,185 Medicare Part D claims for 639 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.