Quick answers
- Which hospitals does Gregory Blair work at?
- Medicare's official clinician data lists Gregory Blair at 1 hospital: Sutter Medical Center, Sacramento. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Blair see patients?
- Medicare's clinician data lists 2 practice locations, including Sacramento, CA and Carmichael, CA. Call before your visit to confirm the address.
- What is Gregory Blair's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Gregory Blair accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Blair accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory Blair?
- (916) 736-1536, as listed in official Medicare / NPI Registry data.
- What is Gregory Blair's NPI number?
- 1598731291. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Blair works
Medicare's Facility Affiliation Data lists Gregory Blair at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
Practice locations
Addresses where Gregory Blair is enrolled with Medicare (CMS data updated 2026-10-02).
- 3939 J St, Suite 360Sacramento, CA 95819 (916) 736‑1536
- 6555 Coyle Ave, Suite 301Carmichael, CA 95608 (916) 962‑1544
Group practices
Medicare enrollment lists Gregory Blair as a member of this group (CMS data updated 2026-10-02).
- Sierra Hematology and Oncology Medical Centers16 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | St. Louis College Of Physicians And Surgeons |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598731291 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians