Michelle Y. Choi, M.D.
Internal Medicine Physician · Philadelphia, PA
Michelle Y. Choi, M.D. is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1861674848, issued on Nov 30, 2007. Check the license (Pennsylvania MT188620, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michelle Y. Choi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT188620 PA
Self-reported in NPPES; status is on the state search - Practice location
- 221 S 12TH St, Philadelphia, PA 19107
- Phone
- (917) 374-8454
- Enumerated
- Nov 30, 2007
- Record last updated
- Nov 30, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090805000065); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 221 S 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Jacobson, COTAOccupational Therapy Assistant1659586956
Verify Michelle Y. Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT188620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
443 Medicare Part D claims for 334 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Furosemide28 claims
- Cefadroxil22 claims
- Hydralazine Hcl19 claims
- Metoprolol Succinate18 claims
- Metoprolol Tartrate17 claims
- Amlodipine Besylate15 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
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Y. Choi among 7,300 internal medicine physician records in Pennsylvania
Michelle Y. Choi, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2008 among the 4,208 with a school on file
- Record last updated2007 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Brady, MDPhiladelphia, PA 191071831187731
- Eileen Carpenter, MDPhiladelphia, PA 191071205805827
- Lillian Cohn, M.D.Philadelphia, PA 191071538160825
- Allan Crimm, M.D.Philadelphia, PA 191071720089170
- Lewis Deeugenio, M.D.Philadelphia, PA 191071780664847
- Richard Feldman, MDPhiladelphia, PA 191071417958661
- Jane Fitzpatrick, MDPhiladelphia, PA 191071003880675
- Zuleika Font, M.D.Philadelphia, PA 191071760483945
Common questions
What is Michelle Y. Choi, M.D.'s NPI number?
Michelle Y. Choi, M.D.'s National Provider Identifier (NPI) is 1861674848, issued on Nov 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Y. Choi, M.D. located?
The NPPES record lists a practice address at 221 S 12TH St, Philadelphia, PA, 19107. Phone: (917) 374-8454. Providers update this record themselves, so call before visiting.
How can I verify Michelle Y. Choi, M.D.'s license?
NPPES lists Pennsylvania license number MT188620, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michelle Y. Choi, M.D. prescribe under Medicare Part D?
In 2024, Michelle Y. Choi, M.D. had 443 Medicare Part D claims for 334 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.