Dr Gilbert T Chang, MD - Medicare Pediatrics in Fairfield, CA

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Dr Gilbert T Chang, MD is a medicare enrolled "Pediatrics" physician in Fairfield, California. His current practice location is 5140 Business Center Dr, Suite 200, Fairfield, California. You can reach out to his office (for appointments etc.) via phone at (707) 864-9999.

Dr Gilbert T Chang is licensed to practice in California (license number A70026) 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 1538195755.

Contact Information

Dr Gilbert T Chang, MD
5140 Business Center Dr, Suite 200,
Fairfield, CA 94534-1658
(707) 864-9999
(707) 864-5376

Map and Direction




Physician's Profile

Full NameDr Gilbert T Chang
GenderMale
SpecialityPediatrics
Location5140 Business Center Dr, Fairfield, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538195755
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 03/25/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 6709864671
  • Enrollment ID: I20040708000967

Medical Identifiers

Medical identifiers for Dr Gilbert T Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538195755NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A70026 (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 Gilbert T Chang allows following entities to bill medicare on his behalf.
Entity NameNorthbay Health Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760283527
PECOS PAC ID: 3274010871
Enrollment ID: O20260127000299

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 Gilbert T Chang 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 Gilbert T Chang, MD
5140 Business Center Dr, Suite 200,
Fairfield, CA 94534-1793

Ph: (707) 864-9999		Dr Gilbert T Chang, MD
5140 Business Center Dr, Suite 200,
Fairfield, CA 94534-1658

Ph: (707) 864-9999

Reviews and Comments


Pediatrics Doctors in Fairfield, CA

Imelda Maria C. Tandinco, M.D.
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Practice Location: 2101 Courage Dr, Fairfield, CA 94533
Phone: 707-784-2012    
Megan Connick, M.D.
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Medicare: Medicare Enrolled
Practice Location: 470 Chadbourne Rd Ste A, Fairfield, CA 94534
Phone: 707-419-8988    Fax: 707-254-1779
Maika Manalastas, DO
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Medicare: May Accept Medicare Assignments
Practice Location: 1860 Pennsylvania Ave Ste 145, Fairfield, CA 94533
Phone: 707-646-4051    
Christi Klimisch Lombre, MD
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Medicare: Medicare Enrolled
Practice Location: 1550 Gateway Blvd, Fairfield, CA 94533
Phone: 707-427-4048    Fax: 707-427-4385
Dr. Alok K. Bose, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 5030 Business Center Dr, Suite 230, Fairfield, CA 94534
Phone: 707-863-8190    Fax: 707-863-8193
Daniel A. Schleske, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1550 Gateway Blvd, Fairfield, CA 94533
Phone: 707-427-4000    
Mr. Brian Leonardo Montenegro, MD
Pediatrics
Medicare: May Accept Medicare Assignments
Practice Location: Northbay Medical Center, 1200 B Gale Wilson Blvd, Fairfield, CA 94533
Phone: 707-646-5000    

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.