Angela Lam
Gastroenterology Physician · San Francisco, CA
Angela Lam is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1578925517, issued on Mar 28, 2016. Check the license (California 161054, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Angela Lam
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 161054 CA
125.069079 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2425 Geary Blvd, San Francisco, CA 94115
- Phone
- (415) 833-2000
- Enumerated
- Mar 28, 2016
- Record last updated
- Oct 28, 2022
- Medicare enrollment
- Enrolled (PECOS I20221017000967); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2425 Geary Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Abaunza, PHARM D.Pharmacist1457400046
- Laura Abbott, M.D.Student in an Organized Health Care Education/Training Program1093071367
- Brian Ablang, P.T.Physical Therapist1609931054
- Arash AgharahmanianStudent in an Organized Health Care Education/Training Program1366237240
- Mia AldridgeStudent in an Organized Health Care Education/Training Program1437890761
- Catherine Grace Alejo, NPFamily Nurse Practitioner1932273521
Verify Angela Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 161054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average gastroenterology physician in 2024
152 Medicare Part D claims for 65 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Omeprazole32 claims
- Mesalamine15 claims
- Linzess14 claims
- Xifaxan11 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: $22.21
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angela Lam among 2,140 gastroenterology physician records in California
Angela Lam is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2002 among the 1,538 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Douglas Corley, MDSan Francisco, CA 941151598843138
- Edward Doo, MDSan Francisco, CA 941151295837243
- Yao Heng, MDSan Francisco, CA 941151225116825
- Steven Jacobsohn, M.D.San Francisco, CA 941151639104151
- Wolfgang Korn, MDSan Francisco, CA 941151235187055
- Uma Mahadevan, MDSan Francisco, CA 941151851355283
- Jane Melnick, MDSan Francisco, CA 941151124049879
- Aristotle Mendiola, M.D.San Francisco, CA 941151871518266
Common questions
What is Angela Lam's NPI number?
Angela Lam's National Provider Identifier (NPI) is 1578925517, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Angela Lam located?
The NPPES record lists a practice address at 2425 Geary Blvd, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Angela Lam's license?
NPPES lists California license number 161054, 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 Angela Lam prescribe under Medicare Part D?
In 2024, Angela Lam had 152 Medicare Part D claims for 65 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.