Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Thomas S Lam, MD

Individual provider Gastroenterology Physician · NPI 1437185295

Dr. Thomas S Lam, MD is a Gastroenterology in Alhambra, California. Qualified in 1981, 45 years ago. Practices with Amg a Professional Medical Corporation, a 28-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

333 S Garfield Ave Ste A
Alhambra, CA 91801-3895
Phone: (626) 284-1997
Fax: (626) 284-2549
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A44280 (CA)

Record details

NPI number1437185295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2006
Last updated in NPPESJune 17, 2025
Certification dateJune 17, 2025
Mailing addressPo Box 7589, Alhambra, CA 91802-7589

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Amg A Professional Medical Corporation — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Alhambra