Gregory Blair, MD - Medicare Hematology/oncology in Carmichael, CA

Gregory Blair, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Carmichael, California. He went to St. Louis College Of Physicians And Surgeons and graduated in 1983 and has 41 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Sierra Hematology And Oncology Medical Center and his current practice location is 6555 Coyle Ave, Suite 301, Carmichael, California. You can reach out to his office (for appointments etc.) via phone at (916) 961-0258.

Gregory Blair is licensed to practice in California (license number G065481) 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 1598731291.

Contact Information

Gregory Blair, MD
6555 Coyle Ave, Suite 301,
Carmichael, CA 95608-0302
(916) 961-0258
(916) 962-1973

Map and Direction




Physician's Profile

Full NameGregory Blair
GenderMale
SpecialityHematology/oncology
Experience41 Years
Location6555 Coyle Ave, Carmichael, 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:
  • Gregory Blair attended and graduated from St. Louis College Of Physicians And Surgeons in 1983
  NPI Data:
  • NPI Number: 1598731291
  • Provider Enumeration Date: 02/23/2006
  • Last Update Date: 04/28/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0143265454
  • Enrollment ID: I20220325001345

Medical Identifiers

Medical identifiers for Gregory Blair such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598731291NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology G065481 (California)Primary
207RH0003XInternal Medicine - Hematology & Oncology G65481 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sierra Hematology And Oncology Medical Center90321025208

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. Gregory Blair allows following entities to bill medicare on his behalf.
Entity NameSierra Hematology And Oncology Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992796759
PECOS PAC ID: 9032102520
Enrollment ID: O20040408000704

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. Gregory Blair 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
Gregory Blair, MD
6555 Coyle Ave, Ste 301,
Carmichael, CA 95608-0303

Ph: (916) 521-3416
Gregory Blair, MD
6555 Coyle Ave, Suite 301,
Carmichael, CA 95608-0302

Ph: (916) 961-0258

Reviews and Comments


Internal Medicine Doctors in Carmichael, CA

Mehrdad Jafarzadeh, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6401 Coyle Ave Ste 416, Carmichael, CA 95608
Phone: 916-966-3501    Fax: 916-966-2805
Dr. Harmandeep Singh Dhaliwal, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1245 Jacob Ln, Carmichael, CA 95608
Phone: 916-579-3540    
Bruce Jay Cohn, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6500 Coyle Ave Ste 2, Carmichael, CA 95608
Phone: 916-616-9268    
Mr. Harith S Hammoodi Al-shuwaykh, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6501 Coyle Avenue, Carmichael, CA 95608
Phone: 916-537-5079    Fax: 916-966-3189
Dakane A. Billow, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6555 Coyle Avenue, Carmichael, CA 95608
Phone: 916-537-5000    
Sidney Yassinger, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 6555 Coyle Ave, Suite 330, Carmichael, CA 95608
Phone: 916-965-9650    Fax: 916-965-0335
Todd W. Zimmerman, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 6555 Coyle Ave, Suite 330, Carmichael, CA 95608
Phone: 916-965-3702    Fax: 916-965-0335

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.