Thomas S.lam Md. A Professional Corporation - Medicare Primary Care in Alhambra, CA

Thomas S.lam Md. A Professional Corporation is a medicare enrolled primary clinic (Internal Medicine - Gastroenterology) in Alhambra, California. The current practice location for Thomas S.lam Md. A Professional Corporation is 328 S 1st St Ste E, Alhambra, California. For appointments, you can reach them via phone at (626) 284-1997. The mailing address for Thomas S.lam Md. A Professional Corporation is Po Box 7589, Alhambra, California and phone number is (626) 284-1997.

Thomas S.lam Md. A Professional Corporation is licensed to practice in California (license number A44280). The clinic also participates in the medicare program and its NPI number is 1336309350. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (626) 284-1997.

Contact Information

Thomas S.lam Md. A Professional Corporation
328 S 1st St Ste E
Alhambra
CA 91801-3790
(626) 284-1997
(626) 284-2549

Map and Direction


Primary Care Clinic Profile

Full NameThomas S.lam Md. A Professional Corporation
SpecialityInternal Medicine
Location328 S 1st St Ste E, Alhambra, California
Authorized Official Name and PositionThomas S. Lam (DIRECTOR)
Authorized Official Contact6269436274
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Thomas S.lam Md. A Professional Corporation
Po Box 7589
Alhambra
CA 91802-7589

Ph: (626) 284-1997
Thomas S.lam Md. A Professional Corporation
328 S 1st St Ste E
Alhambra
CA 91801-3790

Ph: (626) 284-1997

NPI Details:

NPI Number1336309350
Provider Enumeration Date06/12/2008
Last Update Date08/24/2021

Medicare PECOS Information:

Medicare PECOS PAC ID9739223850
Medicare Enrollment IDO20100212000396

Medical Identifiers

Medical identifiers for Thomas S.lam Md. A Professional Corporation such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336309350NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A44280 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Thomas S.lam Md. A Professional Corporation acts as a billing entity for following providers:
Provider NameThomas S Lam
Provider TypePractitioner - Gastroenterology
Provider IdentifiersNPI Number: 1437185295
PECOS PAC ID: 4284621731
Enrollment ID: I20040727001651

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.