Dr Gregory James Bellig, MD - Medicare Anesthesiology in Danville, CA

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Dr Gregory James Bellig, MD is a medicare enrolled "Anesthesiology" physician in Danville, California. He went to Georgetown University School Of Medicine and graduated in 1998 and has 28 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Cep America - Anesthesia Pc and his current practice location is 402 Railroad Ave, Danville, California. You can reach out to his office (for appointments etc.) via phone at (925) 272-9267.

Dr Gregory James Bellig is licensed to practice in California (license number A81822) 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 1558354993.

Contact Information

Dr Gregory James Bellig, MD
402 Railroad Ave,
Danville, CA 94526-3825
(925) 272-9267
Not Available

Map and Direction




Physician's Profile

Full NameDr Gregory James Bellig
GenderMale
SpecialityAnesthesiology
Experience28 Years
Location402 Railroad Ave, Danville, 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 Gregory James Bellig attended and graduated from Georgetown University School Of Medicine in 1998
  NPI Data:
  • NPI Number: 1558354993
  • Provider Enumeration Date: 08/30/2005
  • Last Update Date: 02/28/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0345230215
  • Enrollment ID: I20040513000550

Medical Identifiers

Medical identifiers for Dr Gregory James Bellig such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558354993NPI-NPPES
CL390ZOtherMEDICARE PTAN
GR0028370MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A81822 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America - Anesthesia Pc3678897915397

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 Gregory James Bellig allows following entities to bill medicare on his behalf.
Entity NameCentral Anesthesia Service Exchange Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194826404
PECOS PAC ID: 9638082530
Enrollment ID: O20031119000608
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861578973
PECOS PAC ID: 4486567229
Enrollment ID: O20031212000897
Entity NameUniversity Anesthesia Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528137296
PECOS PAC ID: 2769370535
Enrollment ID: O20040304001219
Entity NameUcsf Medical Group Business Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477624104
PECOS PAC ID: 3779497870
Enrollment ID: O20040622001513
Entity NamePremier Anesthesia Of California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770691859
PECOS PAC ID: 5092897025
Enrollment ID: O20080130000444
Entity NameCep America - Anesthesia Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790401438
PECOS PAC ID: 3678897915
Enrollment ID: O20150115001110

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 Gregory James Bellig 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 Gregory James Bellig, MD
402 Railroad Ave,
Danville, CA 94526-3825

Ph: (916) 813-0238		Dr Gregory James Bellig, MD
402 Railroad Ave,
Danville, CA 94526-3825

Ph: (925) 272-9267

Reviews and Comments


Anesthesiology Doctors in Danville, CA

Dr. David B Swedlow, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 2165 Canyon Oak Ln, Danville, CA 94506
Phone: 925-820-3207    Fax: 925-263-1995
William Kemerer,
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 3600 Blackhawk Plaza Circle, Danville, CA 94506
Phone: 925-963-9118    
Elizabeth Anne Sutherland, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 869 Ackerman Dr, Danville, CA 94526
Phone: 925-718-8956    

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.