Larry Grant Willis, MD - Medicare Internal Medicine in Oklahoma City, OK

Larry Grant Willis, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Oklahoma City, Oklahoma. His current practice location is 1110 N Lee Ave, Oklahoma City, Oklahoma. You can reach out to his office (for appointments etc.) via phone at (405) 230-9000.

Larry Grant Willis is licensed to practice in Oklahoma (license number 10557) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1952309155.

Contact Information

Larry Grant Willis, MD
1110 N Lee Ave,
Oklahoma City, OK 73103-2612
(405) 230-9000
(405) 230-9443

Map and Direction




Physician's Profile

Full NameLarry Grant Willis
GenderMale
SpecialityInternal Medicine - Rheumatology
Location1110 N Lee Ave, Oklahoma City, Oklahoma
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1952309155
  • Provider Enumeration Date: 07/12/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 2961443098
  • Enrollment ID: I20091104000606

Medical Identifiers

Medical identifiers for Larry Grant Willis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952309155NPI-NPPES
730714291-016OtherOKBCBS OF OKLAHOMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 10557 (Oklahoma)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. Larry Grant Willis allows following entities to bill medicare on his behalf.
Entity NameMcbride Clinic Orthopedic Hospital, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659413649
PECOS PAC ID: 3678514809
Enrollment ID: O20051221000780

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. Larry Grant Willis 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
Larry Grant Willis, MD
Po Box 268981,
Oklahoma City, OK 73126-8981

Ph: (405) 230-9000
Larry Grant Willis, MD
1110 N Lee Ave,
Oklahoma City, OK 73103-2612

Ph: (405) 230-9000

Reviews and Comments


Internal Medicine Doctors in Oklahoma City, OK

Evelyn Lorents, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 920 Sl Young Blvd, Oklahoma City, OK 73104
Phone: 405-271-5963    
Patrick Bronson Reeves, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3366 Nw Expressway Ste 550, Oklahoma City, OK 73112
Phone: 405-942-5442    Fax: 405-942-6448
Dr. Jake Lee Evans, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 800 Stanton L Young Blvd, Aat 6300, Oklahoma City, OK 73104
Phone: 405-271-5963    
Metri Haddaden, MD
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 800 Stanton L Young Blvd # 8425, Oklahoma City, OK 73104
Phone: 405-271-6173    Fax: 410-554-2184
Divya Sharma Divyadarshini, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 800 Stanton L Young Blvd, Oklahoma City, OK 73104
Phone: 405-271-5963    
Dr. Philip Barton Miner, Jr., M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 1000 N Lincoln Blvd, Suite 210, Oklahoma City, OK 73104
Phone: 405-271-4644    Fax: 405-271-3296
Gary Lee Worcester, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3433 Nw 56th St, Ste 400, Oklahoma City, OK 73112
Phone: 405-947-3341    

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).

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