NPPES file of Aug 9, 2026

Carolyn S. Koppenol, M.D.

Psychiatry Physician · Hillman, MI

Carolyn S. Koppenol, M.D. is a psychiatry physician with a practice address in Hillman, Michigan, and NPI 1003964255, issued on Jan 6, 2007. Check the license (Michigan 4301046030, 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
1003964255
Name
Carolyn S. Koppenol
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
4301046030 MI
Self-reported in NPPES; status is on the state search
Practice location
15774 State Street, Hillman, MI 49746
Phone
(989) 742-4583
Enumerated
Jan 6, 2007
Record last updated
Oct 9, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(989) 742-2183
Medicaid ID
5104939 MI
Medicare enrollment
Enrolled (PECOS I20041008000981); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1978
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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Also registered at 15774 State Street

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

  1. Bonita Gawel, P.A.C.Physician Assistant1508896762
  2. Rebecca Litzner, MSWClinical Social Worker1104951938

Verify Carolyn S. Koppenol 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 4301046030    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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60% more Medicare Part D claims than the average psychiatry physician in 2024

1,600 Medicare Part D claims for 122 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Carolyn Koppenol1,600
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl133 claims
  2. Lamotrigine93 claims
  3. Clonazepam80 claims
  4. Alprazolam79 claims
  5. Quetiapine Fumarate77 claims
  6. Olanzapine65 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 affiliation

  1. Pine Rest Christian Mental Health ServicesGrandville, MI · Psychiatric

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

1 psychiatry physician records list a practice address in Hillman

They are 1 of the 34 NPPES records with a practice address in Hillman, and 1,729 psychiatry physician records in Michigan.

All 1,729 in Michigan → Every provider in Hillman →

Other psychiatry physician records in Michigan

  1. Aisha Abbasi, M.D.West Bloomfield, MI1609045913
  2. Farha Abbasi, M.D.East Lansing, MI1689881781
  3. Tariq Abbasi, MDSouthfield, MI1326133208
  4. Nicholas Abbey, MDGrand Rapids, MI1174052187
  5. Ali Abdallah, DODetroit, MI1851088769
  6. Salman Abdul MajeedGrand Rapids, MI1144896218
  7. James Abelson, MD, PHDAnn Arbor, MI1316019821
  8. Nicholas Abid, D.O.Holland, MI1295743094
  9. Hiba Abu Suhaiban, M.DJackson, MI1972090801
  10. Ahmad Abu-Zahra, MDDearborn, MI1316737349

Common questions

What is Carolyn S. Koppenol, M.D.'s NPI number?

Carolyn S. Koppenol, M.D.'s National Provider Identifier (NPI) is 1003964255, issued on Jan 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn S. Koppenol, M.D. located?

The NPPES record lists a practice address at 15774 State Street, Hillman, MI, 49746. Phone: (989) 742-4583. Providers update this record themselves, so call before visiting.

How can I verify Carolyn S. Koppenol, M.D.'s license?

NPPES lists Michigan license number 4301046030, 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 Carolyn S. Koppenol, M.D. prescribe under Medicare Part D?

In 2024, Carolyn S. Koppenol, M.D. had 1,600 Medicare Part D claims for 122 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.