Gregory J Forstall, MD - Medicare Internal Medicine in Flint, MI

Gregory J Forstall, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Flint, Michigan. He went to Southern Illinois University School Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 401 S Ballenger Hwy, Flint, Michigan. You can reach out to his office (for appointments etc.) via phone at (810) 720-0639.

Gregory J Forstall is licensed to practice in Michigan (license number 4301061462) 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 1477642486.

Contact Information

Gregory J Forstall, MD
401 S Ballenger Hwy,
Flint, MI 48532-3638
(810) 720-0639
(810) 230-1978

Map and Direction




Physician's Profile

Full NameGregory J Forstall
GenderMale
SpecialityInternal Medicine
Experience37 Years
Location401 S Ballenger Hwy, Flint, Michigan
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 J Forstall attended and graduated from Southern Illinois University School Of Medicine in 1987
  NPI Data:
  • NPI Number: 1477642486
  • Provider Enumeration Date: 10/11/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6709814270
  • Enrollment ID: I20050728001144

Medical Identifiers

Medical identifiers for Gregory J Forstall such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477642486NPI-NPPES
4301061462OtherMILICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease 4301061462 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mclaren Home HealthDavison, MIHome health agency
Mclaren FlintFlint, MIHospital
Genesys Regional Medical Center - Health ParkGrand blanc, MIHospital

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 J Forstall allows following entities to bill medicare on his behalf.
Entity NameGregory J Forstall Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487731287
PECOS PAC ID: 7012945587
Enrollment ID: O20050727000558

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 J Forstall 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 J Forstall, MD
Po Box 321068,
Flint, MI 48532-0019

Ph: (810) 720-0639
Gregory J Forstall, MD
401 S Ballenger Hwy,
Flint, MI 48532-3638

Ph: (810) 720-0639

Reviews and Comments


Internal Medicine Doctors in Flint, MI

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Dr. Donald J Hardman, MD
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Hameem Changezi, M.D.
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Practice Location: 5084 Villa Linde Pkwy, Suite 6, Flint, MI 48532
Phone: 810-600-3399    Fax: 810-600-3398

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.