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Edit this profileGregory Blair, M.D. practices hematology & oncology in Carmichael, CA. Gregory is a 1983 graduate of St. Louis College of Physicians and Surgeons. Medicare claims data shows Gregory provided 529 services to 165 patients. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count. The provider's National Provider Identifier (NPI) is 1598731291.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6555 COYLE AVE SUITE 301
Carmichael, CA 95608
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
Blood disorders
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Biopsies & Diagnostics
Cancer care
Pain & wellness
Most searched procedures
Blood disorder care
Cancer Therapies
Cancer therapy
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
Supportive cancer care
Surgical & Vascular Access
Testing & Genetics
Vascular access care
529 services · 165 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
173 | Less often than most peers in Hematology & Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
147 | More often than most peers in Hematology & Oncology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
142 | Less often than most peers in Hematology & Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
67 | Less often than most peers in Hematology & Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Gregory Blair is a cancer specialist in Carmichael, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Gregory Blair is listed at 6555 Coyle Ave Suite 301, Carmichael, CA 95608. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (916) 961-0258. Contact the office directly to confirm availability and scheduling.
NPI registry
Gregory Blair's National Provider Identifier is 1598731291. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Gregory Blair attended St. Louis College of Physicians and Surgeons, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Gregory Blair has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gregory Blair performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Gregory Blair. If this is you, claiming it is free.
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