Dr James William Firman, MD - Medicare Family Medicine in Fairfield, CA

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Dr James William Firman, MD is a medicare enrolled "Family Medicine" physician in Fairfield, California. His current practice location is 530 Union Ave, Fairfield, California. You can reach out to his office (for appointments etc.) via phone at (707) 421-6692.

Dr James William Firman is licensed to practice in California (license number G32024) 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 1134164189.

Contact Information

Dr James William Firman, MD
530 Union Ave,
Fairfield, CA 94533-6367
(707) 421-6692
(707) 421-6674

Map and Direction




Physician's Profile

Full NameDr James William Firman
GenderMale
SpecialityFamily Medicine
Location530 Union Ave, Fairfield, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1134164189
  • Provider Enumeration Date: 06/16/2006
  • Last Update Date: 06/02/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 8325057375
  • Enrollment ID: I20060419000456

Medical Identifiers

Medical identifiers for Dr James William Firman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134164189NPI-NPPES
WG32024FOtherCAMEDICARE ID - TYPE UNSPECIFIED
00G320240MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G32024 (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. Dr James William Firman allows following entities to bill medicare on his behalf.
Entity NameJohn Giddens Jr Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174634216
PECOS PAC ID: 9234021288
Enrollment ID: O20040701001248
Entity NameVerity Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326312067
PECOS PAC ID: 7416119110
Enrollment ID: O20120425000408

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 James William Firman 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 James William Firman, MD
530 Union Ave,
Fairfield, CA 94533-6367

Ph: (707) 421-6692		Dr James William Firman, MD
530 Union Ave,
Fairfield, CA 94533-6367

Ph: (707) 421-6692

Reviews and Comments


Family Medicine Doctors in Fairfield, CA

Michael Balbin Santos, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 2720 Low Ct, Fairfield, CA 94534
Phone: 707-427-4900    Fax: 707-432-2533
Joel E Herness, M.D.
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Practice Location: 101 Bodin Cir, Fairfield, CA 94535
Phone: 707-423-3911    
Mary Moreno, M.D.
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Practice Location: 1200 B Gale Wilson Blvd, Fairfield, CA 94533
Phone: 707-646-5000    
Dr. Jordan Ann Keys, D.O.
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Medicare: Accepting Medicare Assignments
Practice Location: 2201 Courage Dr, Fairfield, CA 94533
Phone: 707-469-4640    
Dr. Melissa G. Pearce, D.O.
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Medicare: Medicare Enrolled
Practice Location: 2201 Courage Dr, Fairfield, CA 94533
Phone: 707-784-2010    
Dr. Rebekah O Ayodele, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1620 Pennsylvania Ave, Suite C, Fairfield, CA 94533
Phone: 707-428-4878    

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.