Registry data as of Aug 27, 2026

Don Ha

Emergency Medicine Physician · Garden Grove, CA

Don Ha is an emergency medicine physician with a practice address in Garden Grove, California, and NPI 1386339232, issued on Apr 6, 2023. Check the license (California A23641, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1386339232
Name
Don Ha
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A23641 CA
Self-reported in NPPES; status is on the state search
Practice location
12601 Garden Grove Blvd, Garden Grove, CA 92843
Phone
(714) 537-5160
Enumerated
Apr 6, 2023
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 12601 Garden Grove Blvd

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

  1. Senior AdjainoPsychiatric/Mental Health Nurse Practitioner1720784390
  2. Tommy Cao, PHARM.DPharmacotherapy Pharmacist1386472330
  3. Hillary ChangEmergency Registered Nurse1699552661
  4. Antony Chen, DOBlood Banking & Transfusion Medicine Physician1235327701
  5. William Galdamez, PAMedical Physician Assistant1295047413
  6. Gihan George, M.D.Anesthesiology Physician1710055850

Verify Don Ha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A23641
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

59% fewer Medicare Part D claims than the average emergency medicine physician in 2024

146 Medicare Part D claims for 105 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Don Ha146
  2. Specialty average355

Most prescribed

  1. Cephalexin28 claims
  2. Ibuprofen13 claims
  3. Sulfamethoxazole-Trimethoprim11 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.

Emergency Medicine Physician providers in California

There are 7,133 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Don Ha's NPI number?

Don Ha's National Provider Identifier (NPI) is 1386339232, issued on Apr 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Don Ha located?

The NPPES record lists a practice address at 12601 Garden Grove Blvd, Garden Grove, CA, 92843. Phone: (714) 537-5160. Providers update this record themselves, so call before visiting.

How can I verify Don Ha's license?

NPPES lists California license number A23641, 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 Don Ha prescribe under Medicare Part D?

In 2024, Don Ha had 146 Medicare Part D claims for 105 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.