Josephine Wu Choa, M.D.
Internal Medicine Physician · Rosemead, CA
Josephine Wu Choa, M.D. is an internal medicine physician with a practice address in Rosemead, California, and NPI 1356384408, issued on Jun 14, 2006. Check the license (California A51503, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Josephine Wu Choa
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A51503 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7540 Garvey Ave, Rosemead, CA 91770
- Phone
- (626) 307-4785
- Enumerated
- Jun 14, 2006
- Record last updated
- Nov 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (626) 307-1019
- Medicaid ID
- 00A515030 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Josephine Wu Choa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A51503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,652 Medicare Part D claims for 165 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium157 claims
- Losartan Potassium78 claims
- Amlodipine Besylate73 claims
- Metoprolol Succinate73 claims
- Metformin Hcl68 claims
- Farxiga57 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: $1,593.04
47 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Josephine Wu Choa among 17,696 internal medicine physician records in California
Josephine Wu Choa, M.D. 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 fileNo · 63% of these records are
- Record last updated2011 · 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).
14 internal medicine physician records list a practice address in Rosemead
They are 14 of the 839 NPPES records with a practice address in Rosemead, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Rosemead → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andy Chen, MDRosemead, CA 917701831153659
- Kelvin Chen, MDRosemead, CA 917701225387137
- Han Duong, M.D.& D.O.Rosemead, CA 917701013070234
- Susan Heller, M.D.Rosemead, CA 917701720251929
- Harold Hsu, M.D.Rosemead, CA 917701770508111
- Son Le, M.D.Rosemead, CA 917701942290762
- Tam Le, M.DRosemead, CA 917701154480077
- Hong Liang, M.D.Rosemead, CA 917701598784340
Common questions
What is Josephine Wu Choa, M.D.'s NPI number?
Josephine Wu Choa, M.D.'s National Provider Identifier (NPI) is 1356384408, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Josephine Wu Choa, M.D. located?
The NPPES record lists a practice address at 7540 Garvey Ave, Rosemead, CA, 91770. Phone: (626) 307-4785. Providers update this record themselves, so call before visiting.
How can I verify Josephine Wu Choa, M.D.'s license?
NPPES lists California license number A51503, 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 Josephine Wu Choa, M.D. prescribe under Medicare Part D?
In 2024, Josephine Wu Choa, M.D. had 1,652 Medicare Part D claims for 165 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.