Kwok Internal Medicine A Medical Corporation - Medicare Primary Care in San Anselmo, CA

Kwok Internal Medicine A Medical Corporation is a medicare enrolled primary clinic (Internal Medicine) in San Anselmo, California. The current practice location for Kwok Internal Medicine A Medical Corporation is 895 Sir Francis Drake Blvd, San Anselmo, California. For appointments, you can reach them via phone at (415) 925-3617. The mailing address for Kwok Internal Medicine A Medical Corporation is Po Box 6671, Santa Rosa, California and phone number is (415) 925-3617.

Kwok Internal Medicine A Medical Corporation is licensed to practice in California (license number ). The clinic also participates in the medicare program and its NPI number is 1649667072. 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 (415) 925-3617.

Contact Information

Kwok Internal Medicine A Medical Corporation
895 Sir Francis Drake Blvd
San Anselmo
CA 94960-1916
(415) 925-3617
(415) 925-3597

Map and Direction


Primary Care Clinic Profile

Full NameKwok Internal Medicine A Medical Corporation
SpecialityInternal Medicine
Location895 Sir Francis Drake Blvd, San Anselmo, California
Authorized Official Name and PositionMichael K. Kwok (OWNER)
Authorized Official Contact4159253617
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Kwok Internal Medicine A Medical Corporation
Po Box 6671
Santa Rosa
CA 95406-0671

Ph: (415) 925-3617
Kwok Internal Medicine A Medical Corporation
895 Sir Francis Drake Blvd
San Anselmo
CA 94960-1916

Ph: (415) 925-3617

NPI Details:

NPI Number1649667072
Provider Enumeration Date04/23/2015
Last Update Date06/16/2025

Medicare PECOS Information:

Medicare PECOS PAC ID7719206630
Medicare Enrollment IDO20150427002132

Medical Identifiers

Medical identifiers for Kwok Internal Medicine A Medical Corporation such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649667072NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine (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. Kwok Internal Medicine A Medical Corporation acts as a billing entity for following providers:
Provider NameMichael K Kwok
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1124119235
PECOS PAC ID: 5294893327
Enrollment ID: I20081018000163

Reviews and Comments


Internal Medicine in San Anselmo, CA

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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.