NPPES file of Aug 9, 2026

William J. Gray, MD

Internal Medicine Physician · Morenci, MI

William J. Gray, MD is an internal medicine physician with a practice address in Morenci, Michigan, and NPI 1588666317, issued on Aug 11, 2005. Check the license (Michigan 4310165541, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588666317
Name
William J. Gray
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
4310165541 MI
4301065541 MI
Self-reported in NPPES; status is on the state search
Practice location
811 W Coomer St, Morenci, MI 49256
Phone
(517) 458-6109
Enumerated
Aug 11, 2005
Record last updated
Nov 3, 2023
Fax
(517) 458-6131
Medicaid IDs
2409558 MA
4999987 MI
4494722 MI
Medicare enrollment
Enrolled (PECOS I20100513000743); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 1995
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify William J. Gray in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4310165541
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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69% more Medicare Part D claims than the average internal medicine physician in 2024

5,371 Medicare Part D claims for 453 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 362 claims were for opioids.

  1. William Gray5,371
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium288 claims
  2. Losartan Potassium209 claims
  3. Levothyroxine Sodium206 claims
  4. Lisinopril186 claims
  5. Hydrocodone-Acetaminophen172 claims
  6. Metoprolol Succinate171 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $891.58

49 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Gray$891.58
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Promedica Central Corporation OF MichiganBlissfield, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William J. Gray among 5,735 internal medicine physician records in Michigan

William J. Gray, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1995 · median 2006 among the 3,564 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Michigan

There are 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bency HendricksonMichigan Center, MI 492541962683292
  2. Jonna Schmidt, MDHudson, MI 492471841295698
  3. Keith Baker, M.D.Hillsdale, MI 492421538271267
  4. Nauman Chaudhry, MDHillsdale, MI 492421699129643
  5. Ryan HolmesHillsdale, MI 492421225541014
  6. Lance Wells, M.D.Hillsdale, MI 492421790087401
  7. Claudia Villarreal Carrillo, M.D.Brooklyn, MI 492301598469934
  8. Ella Noel, DOBlissfield, MI 492281235214495

Common questions

What is William J. Gray, MD's NPI number?

William J. Gray, MD's National Provider Identifier (NPI) is 1588666317, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William J. Gray, MD located?

The NPPES record lists a practice address at 811 W Coomer St, Morenci, MI, 49256. Phone: (517) 458-6109. Providers update this record themselves, so call before visiting.

How can I verify William J. Gray, MD's license?

NPPES lists Michigan license number 4310165541, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William J. Gray, MD prescribe under Medicare Part D?

In 2024, William J. Gray, MD had 5,371 Medicare Part D claims for 453 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.