Annemarie Lam, MD
Internal Medicine Physician · San Jose, CA
Annemarie Lam, MD is an internal medicine physician with a practice address in San Jose, California, and NPI 1134708548, issued on Apr 4, 2021. Check the license (California A193573, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Annemarie Lam
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A193573 CA
Self-reported in NPPES; status is on the state search - Practice location
- 225 N Jackson Ave, San Jose, CA 95116
- Phone
- (408) 259-5000
- Enumerated
- Apr 4, 2021
- Record last updated
- Jul 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20250820004275); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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Verify Annemarie Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Annemarie Lam among 17,696 internal medicine physician records in California
Annemarie Lam, MD 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Komal Bhatt, MDSan Jose, CA 951161003824699
- Richard Cathey, M.D.San Jose, CA 951161750343323
- Dinh Dam, M.D.San Jose, CA 951161518936616
- Jaco Fishenfeld, MDSan Jose, CA 951161689639577
- Jose Maria Guanzon, MDSan Jose, CA 951161134150881
- Teresita Guanzon, MDSan Jose, CA 951161306877055
- Dwight Lim, MDSan Jose, CA 951161124084561
- Syed Majid, MD, FRCP, FASAMSan Jose, CA 951161225009533
Common questions
What is Annemarie Lam, MD's NPI number?
Annemarie Lam, MD's National Provider Identifier (NPI) is 1134708548, issued on Apr 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Annemarie Lam, MD located?
The NPPES record lists a practice address at 225 N Jackson Ave, San Jose, CA, 95116. Phone: (408) 259-5000. Providers update this record themselves, so call before visiting.
How can I verify Annemarie Lam, MD's license?
NPPES lists California license number A193573, 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.
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.