Maggie Hsin-I Lee, MD
Geriatric Medicine (Family Medicine) Physician · San Francisco, CA
Maggie Hsin-I Lee, MD is a geriatric medicine (family medicine) physician with a practice address in San Francisco, California, and NPI 1609001551, issued on May 21, 2009. Check the license (California C163543, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maggie Hsin-I Lee
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License numbers
- C163543 CA
056840 CT
MD043583 DC
MT446703 PA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Mission St Ste 800, San Francisco, CA 94105
- Phone
- (800) 221-5140
- Enumerated
- May 21, 2009
- Record last updated
- Jun 10, 2024
- Fax
- (415) 231-5332
- Medicare enrollment
- Enrolled (PECOS I20250724001908); may accept Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →
Also registered at 101 Mission St Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maggie Hsin-I Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C163543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
30 Medicare Part D claims for 23 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.
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.
Maggie Hsin-I Lee among 243 geriatric medicine (family medicine) physician records in California
Maggie Hsin-I Lee, MD is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 70% of them.
- NPI issued2009 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2009 · median 2004 among the 111 with a school on file
- Record last updated2024 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in California
There are 243 geriatric medicine (family medicine) physician records in California.
All 243 in California → Every provider in San Francisco → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Richard Zercher, MDSan Francisco, CA 941021902938939
- Teresa Palmer, M.D.San Francisco, CA 941171992743009
- Theresa Allison, M.D.San Francisco, CA 941211760415004
- Jennifer Morris, MDSan Francisco, CA 941211679553705
- Alastair Mondala, M.D.South San Francisco, CA 940801659545770
- Margarita Sotelo, M.D.San Francisco, CA 941431063579324
- Monica Orcine, MDRedwood City, CA 940631588227250
- Minerva Navarro, MDMountain View, CA 940401942210695
Common questions
What is Maggie Hsin-I Lee, MD's NPI number?
Maggie Hsin-I Lee, MD's National Provider Identifier (NPI) is 1609001551, issued on May 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maggie Hsin-I Lee, MD located?
The NPPES record lists a practice address at 101 Mission St Ste 800, San Francisco, CA, 94105. Phone: (800) 221-5140. Providers update this record themselves, so call before visiting.
How can I verify Maggie Hsin-I Lee, MD's license?
NPPES lists California license number C163543, 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 Maggie Hsin-I Lee, MD prescribe under Medicare Part D?
In 2024, Maggie Hsin-I Lee, MD had 30 Medicare Part D claims for 23 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.