NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811067911
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3801 Sacramento St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Toni Brayer, MDInternal Medicine Physician1952412520
  2. Jennifer Burgis, M.D.Pediatric Gastroenterology Physician1114197019
  3. Sally Daganzo, M.D.Internal Medicine Physician1811210412
  4. Vanessa Dumont, N.P.Adult Health Nurse Practitioner1760851679
  5. Jill Einstein, MDInternal Medicine Physician1629126354
  6. Joyce Hansen, M.D.Internal Medicine Physician1639190085

Verify Lei Wang Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88197
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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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.

  1. Lei Choi377
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium43 claims
  2. Escitalopram Oxalate30 claims
  3. Amlodipine Besylate28 claims
  4. Levothyroxine Sodium27 claims
  5. Losartan Potassium15 claims
  6. 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.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. 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).

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.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

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.