Registry data as of Aug 27, 2026

William Nowak, D.O.

Obstetrics & Gynecology Physician · Acme, MI

William Nowak, D.O. is an obstetrics & gynecology physician with a practice address in Acme, Michigan, and NPI 1194902163, issued on Jan 22, 2008. Check the license (Michigan WN007303, 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
1194902163
Name
William Nowak
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
WN007303 MI
Self-reported in NPPES; status is on the state search
Practice location
3990 East M72, Acme, MI 49690
Phone
(231) 938-2366
Enumerated
Jan 22, 2008
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 3990 East M72

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

  1. Terri Glenn, NPFamily Nurse Practitioner1548398597

Verify William Nowak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license WN007303
    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.

2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

392 Medicare Part D claims for 140 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. William Nowak392
  2. Specialty average188

Most prescribed

  1. Estradiol121 claims
  2. Gemtesa18 claims
  3. Hydrocodone-Acetaminophen17 claims
  4. Tramadol Hcl17 claims
  5. Medroxyprogesterone Acetate16 claims
  6. Valacyclovir13 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.

The practice group's Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $41.50

1 payment, mostly food and beverage; the largest payer was Intuitive Surgical, Inc.. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Nowak$41.50
  2. Specialty average$1,147.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Kalkaska Memorial Health CenterKalkaska, MI · Critical Access Hospitals

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.

Obstetrics & Gynecology Physician providers in Michigan

There are 1,735 obstetrics & gynecology physician records in Michigan.

Other obstetrics & gynecology physician records in Michigan

  1. Bryan Aaron, MDAnn Arbor, MI1578307724
  2. Mushtak Abbou, MDRoyal Oak, MI1093796922
  3. Youstina Abdallah, MDGrand Rapids, MI1679325062
  4. Adib Abdelrahman, D.O.Pontiac, MI1679889406
  5. Anan Abdelrahman, MDPontiac, MI1760472740
  6. Charlene Abernethy, DOWilliamsburg, MI1447305016
  7. Melinda Abernethy, M.D.Kalamazoo, MI1427254226
  8. Andrea Abessinio, D.O.Saint Clair Shores, MI1144237926
  9. Carmela Abessinio, D.O.Grosse Pointe, MI1174661763
  10. Joelle Abood, M.D.Troy, MI1063724813

Common questions

What is William Nowak, D.O.'s NPI number?

William Nowak, D.O.'s National Provider Identifier (NPI) is 1194902163, issued on Jan 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William Nowak, D.O. located?

The NPPES record lists a practice address at 3990 East M72, Acme, MI, 49690. Phone: (231) 938-2366. Providers update this record themselves, so call before visiting.

How can I verify William Nowak, D.O.'s license?

NPPES lists Michigan license number WN007303, 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 William Nowak, D.O. prescribe under Medicare Part D?

In 2024, William Nowak, D.O. had 392 Medicare Part D claims for 140 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.

What is William Nowak, D.O.'s Medicare quality score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.