Dr Henry Jack Grainger, DO - Medicare Internal Medicine in Houston, TX

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Dr Henry Jack Grainger, DO is a medicare enrolled "Internal Medicine" physician in Houston, Texas. He graduated from medical school in 1973 and has 51 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice 1960 Physician Associates and his current practice location is 511a W Tidwell Rd, Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (713) 694-9709.

Dr Henry Jack Grainger is licensed to practice in Texas (license number E1595) 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 1306892005.

Contact Information

Dr Henry Jack Grainger, DO
511a W Tidwell Rd,
Houston, TX 77091-4338
(713) 694-9709
(281) 618-8761

Map and Direction




Physician's Profile

Full NameDr Henry Jack Grainger
GenderMale
SpecialityInternal Medicine
Experience51 Years
Location511a W Tidwell Rd, Houston, Texas
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:
  • Dr Henry Jack Grainger graduated from medical school in 1973
  NPI Data:
  • NPI Number: 1306892005
  • Provider Enumeration Date: 05/25/2006
  • Last Update Date: 04/12/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0446146898
  • Enrollment ID: I20040224000823

Medical Identifiers

Medical identifiers for Dr Henry Jack Grainger such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306892005NPI-NPPES
00R283OtherTXBLUE CROSS BLUE SHIELD
115814904MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease E1595 (Texas)Secondary
207RG0300XInternal Medicine - Geriatric Medicine E1595 (Texas)Secondary
207R00000XInternal Medicine E1595 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Windsor HoustonHouston, TXNursing home
Highland Park Care CenterHouston, TXNursing home
Woodwind Lakes Health And Rehabilitation CenterHouston, TXNursing home

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 Henry Jack Grainger allows following entities to bill medicare on his behalf.
Entity Name1960 Physician Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215391941
PECOS PAC ID: 1153611975
Enrollment ID: O20160608000027
Entity NameGrainger Medical Partners Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720435688
PECOS PAC ID: 9739471772
Enrollment ID: O20160712000889

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 Henry Jack Grainger 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 Henry Jack Grainger, DO
511a W Tidwell Rd,
Houston, TX 77091-4338

Ph: (713) 694-9709		Dr Henry Jack Grainger, DO
511a W Tidwell Rd,
Houston, TX 77091-4338

Ph: (713) 694-9709

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.