NPPES file of Aug 9, 2026

Diana Maria Mokaya, M.D.

Family Medicine Physician · Union City, CA

Diana Maria Mokaya, M.D. is a family medicine physician with a practice address in Union City, California, and NPI 1023458528, issued on Jun 28, 2013. Check the license (California A133542, 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
1023458528
Name
Diana Maria Mokaya
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A133542 CA
Self-reported in NPPES; status is on the state search
Practice location
33255 9TH St, Union City, CA 94587
Phone
(510) 471-5880
Enumerated
Jun 28, 2013
Record last updated
May 5, 2026
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 33255 9TH St

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

  1. Veronica Acevedo, PAPhysician Assistant1174519060
  2. Alfredo AlvaradoCommunity Health Worker1104336429
  3. Madhumita Banerjee, ASWClinical Social Worker1164556023
  4. Bennie Brown, MDObstetrics & Gynecology Physician1750379509
  5. Martha Cline, NPNurse Practitioner1174511836
  6. Mary Dicou, FNP-CFamily Nurse Practitioner1134763238

Verify Diana Maria Mokaya in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A133542
    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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93% fewer Medicare Part D claims than the average family medicine physician in 2024

246 Medicare Part D claims for 51 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Diana Mokaya246
  2. Specialty average3,544

Most prescribed

  1. Metformin Hcl19 claims
  2. Amlodipine Besylate17 claims
  3. Lisinopril16 claims
  4. Losartan Potassium16 claims
  5. Atorvastatin Calcium15 claims
  6. Hydrochlorothiazide12 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: $33.16

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. 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. Diana Mokaya$33.16
  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.

Diana Maria Mokaya among 17,133 family medicine physician records in California

Diana Maria Mokaya, 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 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2026 · 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).

19 family medicine physician records list a practice address in Union City

They are 19 of the 1,006 NPPES records with a practice address in Union City, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Antonina Bondyasheva, M.D.Union City, CA 945871194982462
  2. Rudolph Chang, D.O.Union City, CA 945871376835595
  3. Matthew Eisley, M.D.Union City, CA 945871689810483
  4. Lynda Kay, M.D.Union City, CA 945871740320183
  5. Kawalpreet Manku, M.D.Union City, CA 945871851406466
  6. Abraham Mohmand, M.D.Union City, CA 945871982995494
  7. Son Lam Nguyen, D.O.Union City, CA 945871093851768
  8. Tam Nguyen, M.D.Union City, CA 945871093929697

Common questions

What is Diana Maria Mokaya, M.D.'s NPI number?

Diana Maria Mokaya, M.D.'s National Provider Identifier (NPI) is 1023458528, issued on Jun 28, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Diana Maria Mokaya, M.D. located?

The NPPES record lists a practice address at 33255 9TH St, Union City, CA, 94587. Phone: (510) 471-5880. Providers update this record themselves, so call before visiting.

How can I verify Diana Maria Mokaya, M.D.'s license?

NPPES lists California license number A133542, 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 Maria Mokaya, M.D. prescribe under Medicare Part D?

In 2024, Diana Maria Mokaya, M.D. had 246 Medicare Part D claims for 51 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.