NPPES file of Aug 9, 2026

Catherine A. Wonski, MD

Family Medicine Physician · Boyne City, MI

Catherine A. Wonski, MD is a family medicine physician with a practice address in Boyne City, Michigan, and NPI 1386755726, issued on Aug 31, 2006. Check the license (Michigan 4301050790, 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
1386755726
Name
Catherine A. Wonski
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301050790 MI
Self-reported in NPPES; status is on the state search
Practice location
223 N Park St, Boyne City, MI 49712
Phone
(231) 582-5314
Enumerated
Aug 31, 2006
Record last updated
Feb 14, 2025
Fax
(231) 582-5338
Medicare enrollment
Enrolled (PECOS I20100611000833); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1986
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 223 N Park St

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

  1. Mark Antonishen, M.D.Internal Medicine Physician1518971654
  2. Candace Bolcer, DOFamily Medicine Physician1952091563
  3. Michael Harmeling, MDFamily Medicine Physician1194836502
  4. Pamela Knysz, MDFamily Medicine Physician1619088044
  5. Leonhard Maendel, P.A.Medical Physician Assistant1629138854
  6. Amy Mitchell, MDFamily Medicine Physician1417068891

Verify Catherine A. Wonski 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 4301050790
    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.

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87% fewer Medicare Part D claims than the average family medicine physician in 2024

465 Medicare Part D claims for 206 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Catherine Wonski465
  2. Specialty average3,544

Most prescribed

  1. Prednisone26 claims
  2. Azithromycin25 claims
  3. Cephalexin20 claims
  4. Levofloxacin19 claims
  5. Tramadol Hcl17 claims
  6. Cefdinir13 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.

3 hospitals and group practices

  1. Munson Healthcare Otsego Memorial HospitalPetoskey, MI · Acute Care Hospitals4 of 5 stars
  2. Munson Healthcare Charlevoix HospitalBoyne City, MI
  3. North Michigan Physician Services PCCharlevoix, MI

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). Star ratings are CMS hospital ratings, not ratings of this provider.

Catherine A. Wonski among 6,013 family medicine physician records in Michigan

Catherine A. Wonski, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1986 · median 2008 among the 3,493 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Boyne City

They are 7 of the 73 NPPES records with a practice address in Boyne City, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Candace Bolcer, DOBoyne City, MI 497121952091563
  2. Michael Harmeling, MDBoyne City, MI 497121194836502
  3. Pamela Knysz, MDBoyne City, MI 497121619088044
  4. Amy Mitchell, MDBoyne City, MI 497121417068891
  5. Carin Nielsen, M.D.Boyne City, MI 497121184682924
  6. Andrea Wendling, MDBoyne City, MI 497121992816334
  7. Anthony Langenfeld, DOBrimley, MI 497151558507723
  8. Daniel Maloney, M.D.Brimley, MI 497151760421499

Common questions

What is Catherine A. Wonski, MD's NPI number?

Catherine A. Wonski, MD's National Provider Identifier (NPI) is 1386755726, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine A. Wonski, MD located?

The NPPES record lists a practice address at 223 N Park St, Boyne City, MI, 49712. Phone: (231) 582-5314. Providers update this record themselves, so call before visiting.

How can I verify Catherine A. Wonski, MD's license?

NPPES lists Michigan license number 4301050790, 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 Catherine A. Wonski, MD prescribe under Medicare Part D?

In 2024, Catherine A. Wonski, MD had 465 Medicare Part D claims for 206 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.