Mary Chen Md Inc - Medicare Primary Care in Walnut, CA

Mary Chen Md Inc is a medicare enrolled primary clinic (Internal Medicine) in Walnut, California. The current practice location for Mary Chen Md Inc is 18780 Amar Rd, Suite 107, Walnut, California. For appointments, you can reach them via phone at (626) 810-6777. The mailing address for Mary Chen Md Inc is 18780 Amar Rd, Suite 107, Walnut, California and phone number is (626) 810-6777.

Mary Chen Md Inc is licensed to practice in California (license number A78207). The clinic also participates in the medicare program and its NPI number is 1366591174. 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) 810-6777.

Contact Information

Mary Chen Md Inc
18780 Amar Rd
Suite 107
Walnut
CA 91789-4560
(626) 810-6777
(626) 810-6687

Map and Direction


Primary Care Clinic Profile

Full NameMary Chen Md Inc
SpecialityInternal Medicine
Location18780 Amar Rd, Walnut, California
Authorized Official Name and PositionMary Chen (PRESIDENT)
Authorized Official Contact6268106777
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mary Chen Md Inc
18780 Amar Rd
Suite 107
Walnut
CA 91789-4560

Ph: (626) 810-6777
Mary Chen Md Inc
18780 Amar Rd
Suite 107
Walnut
CA 91789-4560

Ph: (626) 810-6777

NPI Details:

NPI Number1366591174
Provider Enumeration Date01/10/2007
Last Update Date04/23/2020

Medicare PECOS Information:

Medicare PECOS PAC ID0749222636
Medicare Enrollment IDO20050601001025

Medical Identifiers

Medical identifiers for Mary Chen Md Inc such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366591174NPI-NPPES
00A782070MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A78207 (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. Mary Chen Md Inc acts as a billing entity for following providers:
Provider NameMary L Chen
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1568445229
PECOS PAC ID: 7416929898
Enrollment ID: I20040806000679

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.