Thanh Thi Thu Ha, DO
Adult Medicine Physician · Downey, CA
Thanh Thi Thu Ha, DO is an adult medicine physician with a practice address in Downey, California, and NPI 1689098162, issued on Feb 5, 2014. Check the license (California 20A13089, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh Thi Thu Ha
- Credential
- DO
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- 20A13089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11500 Brookshire Ave, Downey, CA 90241
- Phone
- (510) 209-8382
- Enumerated
- Feb 5, 2014
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150331002233); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 11500 Brookshire Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tyana Besada, MSN, RN, CNS, CCRNClinical Nurse Specialist1932056231
- Payal Bhowmick, PHARMDPharmacotherapy Pharmacist1518783661
- Alexis BoltonFamily Nurse Practitioner1215546197
Verify Thanh Thi Thu Ha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average adult medicine physician in 2024
3,883 Medicare Part D claims for 315 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 136 claims were for opioids.
Most prescribed
- Atorvastatin Calcium278 claims
- Losartan Potassium197 claims
- Amlodipine Besylate194 claims
- Atenolol148 claims
- Lisinopril134 claims
- Alendronate Sodium127 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
- Southern California Permanente Medical GroupGarden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thanh Thi Thu Ha among 386 adult medicine physician records in California
Thanh Thi Thu Ha, DO is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 28% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2012 · median 2005 among the 187 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Downey → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Sedona Valentine, MDGardena, CA 902481841653193
- Sergio VieraGardena, CA 902481265810964
- Angelina NguyenGardena, CA 902491225830227
- Stephan Honda, M.D.Hawthorne, CA 902501295936615
- John Molitoris, M.D.Culver City, CA 902321588866982
- Olga Makaron, M.D.Marina Del Rey, CA 902921538476031
- Danielle Davidson-McBeanInglewood, CA 903011689782013
- Joseph Pierson, M.D.Inglewood, CA 903011457376790
Common questions
What is Thanh Thi Thu Ha, DO's NPI number?
Thanh Thi Thu Ha, DO's National Provider Identifier (NPI) is 1689098162, issued on Feb 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Thi Thu Ha, DO located?
The NPPES record lists a practice address at 11500 Brookshire Ave, Downey, CA, 90241. Phone: (510) 209-8382. Providers update this record themselves, so call before visiting.
How can I verify Thanh Thi Thu Ha, DO's license?
NPPES lists California license number 20A13089, 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 Thanh Thi Thu Ha, DO prescribe under Medicare Part D?
In 2024, Thanh Thi Thu Ha, DO had 3,883 Medicare Part D claims for 315 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.