Dr Spencer Barrett Tilley, MD - Medicare Family Practice in Fremont, CA

Dr Spencer Barrett Tilley, MD is a medicare enrolled "Family Medicine" physician in Fremont, California. He went to University Of Arkansas College Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Medical Associates Of Fremont, Inc and his current practice location is 39225 State St, Fremont, California. You can reach out to his office (for appointments etc.) via phone at (510) 794-1990.

Dr Spencer Barrett Tilley is licensed to practice in California (license number 104565) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1710171038.

Contact Information

Dr Spencer Barrett Tilley, MD
39225 State St,
Fremont, CA 94538-1437
(510) 794-1990
(510) 794-1341

Map and Direction




Physician's Profile

Full NameDr Spencer Barrett Tilley
GenderMale
SpecialityFamily Practice
Experience20 Years
Location39225 State St, Fremont, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Spencer Barrett Tilley attended and graduated from University Of Arkansas College Of Medicine in 2004
  NPI Data:
  • NPI Number: 1710171038
  • Provider Enumeration Date: 08/29/2007
  • Last Update Date: 07/16/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 1658424858
  • Enrollment ID: I20090805000807

Medical Identifiers

Medical identifiers for Dr Spencer Barrett Tilley such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710171038NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 43954 (Colorado)Secondary
207Q00000XFamily Medicine 104565 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Washington HospitalFremont, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medical Associates Of Fremont, Inc41837778403

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. Dr Spencer Barrett Tilley allows following entities to bill medicare on his behalf.
Entity NameMedical Associates Of Fremont, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518115435
PECOS PAC ID: 4183777840
Enrollment ID: O20090729000293

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. Dr Spencer Barrett Tilley 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
Dr Spencer Barrett Tilley, MD
39225 State St,
Fremont, CA 94538-1437

Ph: (510) 794-1990
Dr Spencer Barrett Tilley, MD
39225 State St,
Fremont, CA 94538-1437

Ph: (510) 794-1990

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.