Lei Wang Choi, M.D.
Internal Medicine Physician · San Francisco, CA
Lei Wang Choi, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1811067911, issued on Nov 8, 2006. Check the license (California A88197, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lei Wang Choi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A88197 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Sacramento St, San Francisco, CA 94118
- Phone
- (415) 600-2402
- Enumerated
- Nov 8, 2006
- Record last updated
- Nov 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 379-9870
- Medicare enrollment
- Enrolled (PECOS I20050511000817); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3801 Sacramento St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sally Daganzo, M.D.Internal Medicine Physician1811210412
- Vanessa Dumont, N.P.Adult Health Nurse Practitioner1760851679
- Jill Einstein, MDInternal Medicine Physician1629126354
- Joyce Hansen, M.D.Internal Medicine Physician1639190085
Verify Lei Wang Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
377 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium43 claims
- Escitalopram Oxalate30 claims
- Amlodipine Besylate28 claims
- Levothyroxine Sodium27 claims
- Losartan Potassium15 claims
- Spironolactone13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lei Wang Choi among 17,696 internal medicine physician records in California
Lei Wang Choi, 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 fileYes · 63% of these records are
- Graduated1996 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Catherine Collins, M.D.San Francisco, CA 941181346265790
- Robert Dobrow, MDSan Francisco, CA 941181356336051
- Joyce Hansen, M.D.San Francisco, CA 941181639190085
- Karen Khoo, MDSan Francisco, CA 941181629031430
- Eric Kwok, M.D.San Francisco, CA 941181447231618
Common questions
What is Lei Wang Choi, M.D.'s NPI number?
Lei Wang Choi, M.D.'s National Provider Identifier (NPI) is 1811067911, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lei Wang Choi, M.D. located?
The NPPES record lists a practice address at 3801 Sacramento St, San Francisco, CA, 94118. Phone: (415) 600-2402. Providers update this record themselves, so call before visiting.
How can I verify Lei Wang Choi, M.D.'s license?
NPPES lists California license number A88197, 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 Lei Wang Choi, M.D. prescribe under Medicare Part D?
In 2024, Lei Wang Choi, M.D. had 377 Medicare Part D claims for 46 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Lei Wang Choi, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.