NPPES file of Aug 9, 2026

Gregg McLean, M.D

Internal Medicine Physician · Saginaw, MI

Gregg McLean, M.D is an internal medicine physician with a practice address in Saginaw, Michigan, and NPI 1134161219, issued on Jun 12, 2006. Check the license (Michigan 4301058625, 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
1134161219
Name
Gregg McLean
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301058625 MI
Self-reported in NPPES; status is on the state search
Practice location
3875 Bay RD, Saginaw, MI 48603
Phone
(989) 583-5150
Enumerated
Jun 12, 2006
Record last updated
Jun 12, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(989) 583-6831
Medicaid IDs
M74750110 MI
3483448 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3875 Bay RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amjed Aljanabi, MDFamily Medicine Physician1952740680
  2. Christyn Blosser, PTPhysical Therapist1235224320
  3. Kelly FisherPhysical Therapy Assistant1780887174
  4. Cecille Guarnes, M.DInternal Medicine Physician1215975636
  5. Adam Major, B.S.Case Manager/Care Coordinator1093267452
  6. Humera Malik, MDInternal Medicine Physician1861704660

Verify Gregg McLean 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 4301058625    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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3.8 times the Medicare Part D claims of the average internal medicine physician in 2024

12,212 Medicare Part D claims for 713 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 647 claims were for opioids.

  1. Gregg McLean12,212
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium550 claims
  2. Amlodipine Besylate433 claims
  3. Levothyroxine Sodium390 claims
  4. Lisinopril369 claims
  5. Hydrocodone-Acetaminophen343 claims
  6. Metformin Hcl328 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.

169 internal medicine physician records list a practice address in Saginaw

They are 169 of the 6,008 NPPES records with a practice address in Saginaw, and 5,735 internal medicine physician records in Michigan.

All 169 in Saginaw → All 5,735 in Michigan → Every provider in Saginaw →

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Gregg McLean, M.D's NPI number?

Gregg McLean, M.D's National Provider Identifier (NPI) is 1134161219, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregg McLean, M.D located?

The NPPES record lists a practice address at 3875 Bay RD, Saginaw, MI, 48603. Phone: (989) 583-5150. Providers update this record themselves, so call before visiting.

How can I verify Gregg McLean, M.D's license?

NPPES lists Michigan license number 4301058625, 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 Gregg McLean, M.D prescribe under Medicare Part D?

In 2024, Gregg McLean, M.D had 12,212 Medicare Part D claims for 713 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.