Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory James Bellig, MD

Individual provider Anesthesiology Physician · NPI 1558354993

Dr. Gregory James Bellig, MD is an Anesthesiology in Danville, California. Graduated from Georgetown University School of Medicine in 1998, 28 years ago. Practices with Cep America - Anesthesia PC, a 850-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
28
Trained at
Georgetown University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

402 Railroad Ave
Danville, CA 94526-3825
Phone: (925) 272-9267
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A81822 (CA)

Record details

NPI number1558354993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESFebruary 28, 2026
Certification dateFebruary 28, 2026
Mailing address402 Railroad Ave, Danville, CA 94526-3825

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Cep America - Anesthesia Pc — 850 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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