Dr Diana Grair, MD - Medicare Family Medicine in Houston, TX

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Dr Diana Grair, MD is a medicare enrolled "Family Medicine" physician in Houston, Texas. Her current practice location is 4349 Martin Luther King Blvd Ste 1001e, Health 2 Building, Houston, Texas. You can reach out to her office (for appointments etc.) via phone at (713) 743-9682.

Dr Diana Grair is licensed to practice in Texas (license number N5081) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1184829772.

Contact Information

Dr Diana Grair, MD
4349 Martin Luther King Blvd Ste 1001e, Health 2 Building,
Houston, TX 77204-4115
(713) 743-9682
(713) 743-1049

Map and Direction




Physician's Profile

Full NameDr Diana Grair
GenderFemale
SpecialityFamily Medicine
Location4349 Martin Luther King Blvd Ste 1001e, Houston, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1184829772
  • Provider Enumeration Date: 06/15/2007
  • Last Update Date: 01/06/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7517006513
  • Enrollment ID: I20091204000341

Medical Identifiers

Medical identifiers for Dr Diana Grair such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184829772NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 4301095546 (Michigan)Secondary
207Q00000XFamily Medicine N5081 (Texas)Primary

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. Dr Diana Grair allows following entities to bill medicare on her behalf.
Entity NameBaylor College Of Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053352914
PECOS PAC ID: 8224941265
Enrollment ID: O20031106000562
Entity NameVillagemd Of Southeast Texas Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841643327
PECOS PAC ID: 4587947346
Enrollment ID: O20170202000474
Entity NameUh Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114689320
PECOS PAC ID: 5496137499
Enrollment ID: O20220808003244

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. Dr Diana Grair 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
Dr Diana Grair, MD
7550 Office City Dr,
Houston, TX 77012-4115

Ph: (713) 495-3776		Dr Diana Grair, MD
4349 Martin Luther King Blvd Ste 1001e, Health 2 Building,
Houston, TX 77204-4115

Ph: (713) 743-9682

Reviews and Comments


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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.