NPPES file of Aug 9, 2026

Michael S. Grossman, MD

Family Medicine Physician · Negaunee, MI

Michael S. Grossman, MD is a family medicine physician with a practice address in Negaunee, Michigan, and NPI 1265594758, issued on Dec 14, 2006. Check the license (Michigan 4301039616, 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
1265594758
Name
Michael S. Grossman
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301039616 MI
Self-reported in NPPES; status is on the state search
Practice location
Great Lakes Recovery Centers, Inc., Negaunee, MI 49866
Phone
(906) 228-4692
Enumerated
Dec 14, 2006
Record last updated
Feb 7, 2022
Fax
(906) 228-2830
Medicaid ID
103306416 MI
Medicare enrollment
Enrolled (PECOS I20110725000232); accepts Medicare assignment
Medical or professional school
Medical College Of Ohio, 1977
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 Michael S. Grossman 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 4301039616
    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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84% fewer Medicare Part D claims than the average family medicine physician in 2024

583 Medicare Part D claims for 57 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Michael Grossman583
  2. Specialty average3,544

Most prescribed

  1. Buprenorphine-Naloxone140 claims
  2. Gabapentin79 claims
  3. Sertraline Hcl22 claims
  4. Lorazepam21 claims
  5. Quetiapine Fumarate21 claims
  6. Albuterol Sulfate Hfa15 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: $715.57

15 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Grossman$715.57
  2. Specialty average$902.55

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. Great Lakes Recovery CentersIshpeming, MI

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

3 family medicine physician records list a practice address in Negaunee

They are 3 of the 153 NPPES records with a practice address in Negaunee, and 6,013 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Michael S. Grossman, MD's NPI number?

Michael S. Grossman, MD's National Provider Identifier (NPI) is 1265594758, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael S. Grossman, MD located?

The NPPES record lists a practice address at Great Lakes Recovery Centers, Inc., Negaunee, MI, 49866. Phone: (906) 228-4692. Providers update this record themselves, so call before visiting.

How can I verify Michael S. Grossman, MD's license?

NPPES lists Michigan license number 4301039616, 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 Michael S. Grossman, MD prescribe under Medicare Part D?

In 2024, Michael S. Grossman, MD had 583 Medicare Part D claims for 57 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.