Michael D. Choi, M.D.
Internal Medicine Physician · Monterey Park, CA
Michael D. Choi, M.D. is an internal medicine physician with a practice address in Monterey Park, California, and NPI 1255405635, issued on Nov 20, 2006. Check the license (California A42570, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael D. Choi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A42570 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2019 Saturn St, Monterey Park, CA 91755
- Phone
- (877) 358-5841
- Enumerated
- Nov 20, 2006
- Record last updated
- May 31, 2022
- Fax
- (323) 694-2543
- Medicaid ID
- 00A425700 CA
- Entity
- Type 1 · individual
Also registered at 2019 Saturn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon JohnsonLicensed Practical Nurse1154060986
- Magdalena Lopez, RNCase Management Registered Nurse1790971943
- Renee Marin, LVNLicensed Vocational Nurse1437912706
- Alexis MontesPhlebotomy Technician1528777844
- Robert Odama, D.V.M.Veterinarian1295975035
- Kennedy SingerClinical Social Worker1770180069
Verify Michael D. Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average internal medicine physician in 2024
13,448 Medicare Part D claims for 427 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 23 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,103 claims
- Omeprazole836 claims
- Atorvastatin Calcium811 claims
- Lisinopril768 claims
- Amlodipine Besylate732 claims
- Metformin Hcl647 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: $97.12
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
33 internal medicine physician records list a practice address in Monterey Park
They are 33 of the 948 NPPES records with a practice address in Monterey Park, and 17,696 internal medicine physician records in California.
All 33 in Monterey Park → All 17,696 in California → Every provider in Monterey Park →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Michael D. Choi, M.D.'s NPI number?
Michael D. Choi, M.D.'s National Provider Identifier (NPI) is 1255405635, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael D. Choi, M.D. located?
The NPPES record lists a practice address at 2019 Saturn St, Monterey Park, CA, 91755. Phone: (877) 358-5841. Providers update this record themselves, so call before visiting.
How can I verify Michael D. Choi, M.D.'s license?
NPPES lists California license number A42570, 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 Michael D. Choi, M.D. prescribe under Medicare Part D?
In 2024, Michael D. Choi, M.D. had 13,448 Medicare Part D claims for 427 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.