Registry data as of Aug 27, 2026

Michael Stack, M.D.

Family Medicine Physician · Ithaca, MI

Michael Stack, M.D. is a family medicine physician with a practice address in Ithaca, Michigan, and NPI 1932146685, issued on Jun 1, 2006. Check the license (Michigan 4301064712, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1932146685
Name
Michael Stack
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301064712 MI
Self-reported in NPPES; status is on the state search
Practice location
121 N Pine River St, Ithaca, MI 48847
Phone
(989) 875-5111
Enumerated
Jun 1, 2006
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 121 N Pine River St

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

  1. Aubree Akers, FNPFamily Nurse Practitioner1982321378
  2. Elizabeth Hackert-Neff, MA LPCProfessional Counselor1528210366
  3. Cora Pavlik, FNPFamily Nurse Practitioner1043704133
  4. Matthew Stack, PA CPsychologist1033108667

Verify Michael Stack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301064712
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

24% more Medicare Part D claims than the average family medicine physician in 2024

4,376 Medicare Part D claims for 233 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 115 claims were for opioids.

  1. Michael Stack4,376
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium178 claims
  2. Lisinopril130 claims
  3. Levothyroxine Sodium124 claims
  4. Metoprolol Succinate110 claims
  5. Omeprazole108 claims
  6. Amlodipine Besylate102 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.

One hospital or facility affiliation

  1. Mymichigan Medical Center AlmaIthaca, MI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

7 family medicine physician records list a Ithaca practice address

They are 7 of the 52 NPPES records with a Ithaca practice address, and 5,783 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 Stack, M.D.'s NPI number?

Michael Stack, M.D.'s National Provider Identifier (NPI) is 1932146685, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Stack, M.D. located?

The NPPES record lists a practice address at 121 N Pine River St, Ithaca, MI, 48847. Phone: (989) 875-5111. Providers update this record themselves, so call before visiting.

How can I verify Michael Stack, M.D.'s license?

NPPES lists Michigan license number 4301064712, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Stack, M.D. prescribe under Medicare Part D?

In 2024, Michael Stack, M.D. had 4,376 Medicare Part D claims for 233 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.