William J Gray, MD - Medicare Internal Medicine in Morenci, MI

William J Gray, MD is a medicare enrolled "Internal Medicine" physician in Morenci, Michigan. He went to Michigan State University College Of Human Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Promedica Central Corporation Of Michigan and his current practice location is 811 W Coomer St, Morenci, Michigan. You can reach out to his office (for appointments etc.) via phone at (517) 458-6109.

William J Gray is licensed to practice in Michigan (license number 4310165541) 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 1588666317.

Contact Information

William J Gray, MD
811 W Coomer St,
Morenci, MI 49256-1352
(517) 458-6109
(517) 458-6131

Map and Direction




Physician's Profile

Full NameWilliam J Gray
GenderMale
SpecialityInternal Medicine
Experience29 Years
Location811 W Coomer St, Morenci, 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:
  • William J Gray attended and graduated from Michigan State University College Of Human Medicine in 1995
  NPI Data:
  • NPI Number: 1588666317
  • Provider Enumeration Date: 08/11/2005
  • Last Update Date: 11/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5092804039
  • Enrollment ID: I20100513000743

Medical Identifiers

Medical identifiers for William J Gray such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588666317NPI-NPPES
2409558MedicaidMA
4999987MedicaidMI
04-07759OtherMIUHC
7917019OtherMIAETNA
04286OtherMIPHC
142870OtherMIGLHP
P00025330OtherMIRRMC
23267OtherMIHPM
4494722MedicaidMI
1104607522OtherMIBCBS MI
131372OtherMIPREFERRED CHOICES
000000358054OtherMIANTHEM
131372OtherMICARE CHOICES
161036OtherGLHP

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 4301065541 (Michigan)Secondary
207R00000XInternal Medicine 4310165541 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Great Lakes CaringJackson, MIHome health agency
Emma L Bixby Medical CenterAdrian, MIHospital
Promedica Toledo HospitalToledo, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Promedica Central Corporation Of Michigan7012902265107

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. William J Gray allows following entities to bill medicare on his behalf.
Entity NamePromedica Central Corporation Of Michigan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588624696
PECOS PAC ID: 7012902265
Enrollment ID: O20040416001163

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. William J Gray 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
William J Gray, MD
811 W Coomer St,
Morenci, MI 49256-1352

Ph: (517) 458-6109
William J Gray, MD
811 W Coomer St,
Morenci, MI 49256-1352

Ph: (517) 458-6109

Reviews and Comments


Internal Medicine Doctors in Morenci, MI


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.