Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gregory Blair, MD

Individual provider Hematology & Oncology Physician · NPI 1598731291

Gregory Blair, MD is a Hematology/Oncology in Carmichael, California. Graduated from St Louis College of Physicians and Surgeons in 1983, 43 years ago. Practices with Sierra Hematology and Oncology Medical Centers, a 15-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
43
Trained at
St Louis College of Physicians and Surgeons
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

6555 Coyle Ave Ste 301
Carmichael, CA 95608-0302
Phone: (916) 961-0258
Fax: (916) 962-1973
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G065481 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence G65481 (CA)

Record details

NPI number1598731291
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESApril 28, 2017
Mailing address6555 Coyle Ave, Ste 301, Carmichael, CA 95608-0303

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolST. LOUIS COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1983 (43 years in practice)
Group practice Sierra Hematology And Oncology Medical Centers — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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