Thomas Chen, - Medicare Family Medicine in Fremont, CA

Thomas Chen, is a medicare enrolled "Family Medicine" physician in Fremont, California. His current practice location is 39400 Paseo Padre Pkwy, Fremont, California. You can reach out to his office (for appointments etc.) via phone at (510) 460-5726.

Thomas Chen is licensed to practice in California (license number 20A15700) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1225453830.

Contact Information

Thomas Chen,
39400 Paseo Padre Pkwy,
Fremont, CA 94538-2310
(510) 460-5726
Not Available

Map and Direction




Physician's Profile

Full NameThomas Chen
GenderMale
SpecialityFamily Medicine
Location39400 Paseo Padre Pkwy, Fremont, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225453830
  • Provider Enumeration Date: 02/19/2014
  • Last Update Date: 12/11/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 9931492634
  • Enrollment ID: I20180124002502

Medical Identifiers

Medical identifiers for Thomas Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225453830NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A15700 (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. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Thomas Chen allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameAlameda Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740332931
PECOS PAC ID: 3779494521
Enrollment ID: O20031110000764

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Thomas Chen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Thomas Chen,
39400 Paseo Padre Pkwy,
Fremont, CA 94538-2310

Ph: (510) 460-5726
Thomas Chen,
39400 Paseo Padre Pkwy,
Fremont, CA 94538-2310

Ph: (510) 460-5726

Reviews and Comments


Family Medicine Doctors in Fremont, CA

Melinda Jenny Steele, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-248-3000    
Nitisha Hiranandani, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-248-3000    
Sue Knox, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3200 Kearney St, Fremont, CA 94538
Phone: 510-490-1222    
Afshin Ghayoumi, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3200 Kearney St, Fremont, CA 94538
Phone: 510-490-1222    
Dennis S. Kwok, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-795-3000    
Dr. Barbara Hughes Kostick, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 38069 Martha Ave, Suite 300, Fremont, CA 94536
Phone: 510-608-4800    
Frank Peter Hochman, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2333 Mowry Ave, Suite 300, Fremont, CA 94538
Phone: 510-797-2939    Fax: 510-790-1316

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.