NPPES file of Aug 9, 2026

William K. Hahn, MD

Obstetrics & Gynecology Physician · Strongsville, OH

William K. Hahn, MD is an obstetrics & gynecology physician with a practice address in Strongsville, Ohio, and NPI 1073556205, issued on Jun 14, 2006. Check the license (Ohio 35-065207, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073556205
Name
William K. Hahn
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
35-065207 OH
35065207 OH
Self-reported in NPPES; status is on the state search
Practice location
18181 Pearl RD Ste B206, Strongsville, OH 44136
Phone
(440) 816-4930
Enumerated
Jun 14, 2006
Record last updated
Sep 18, 2023
Medicaid ID
0954829 OH
Medicare enrollment
Enrolled (PECOS I20051006000019); accepts Medicare assignment
Medical or professional school
University Of Toledo College Of Medicine, 1991
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 18181 Pearl RD Ste B206

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

  1. Costas Apostolis, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1700020138
  2. Emily Lasota, M.D.Obstetrics & Gynecology Physician1215373550
  3. Amy Skabar, NPAdult Health Nurse Practitioner1790937035

Verify William K. Hahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35-065207
    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 Ohio 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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2.3 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

375 Medicare Part D claims for 123 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. William Hahn375
  2. Specialty average165

Most prescribed

  1. Estradiol74 claims
  2. Clobetasol Propionate52 claims
  3. Medroxyprogesterone Acetate28 claims
  4. Alendronate Sodium26 claims
  5. Ibandronate Sodium24 claims
  6. Premarin18 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 MIPS final score for 2023 (Medicare payment program): 77.3 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 score60.9
  2. Costout of 100 · 30%63.5
  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: $1,151.43

45 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Hahn$1,151.43
  2. Specialty average$1,030.61

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. Southwest General Medical Group IncCleveland, OH

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

William K. Hahn among 1,572 obstetrics & gynecology physician records in Ohio

William K. Hahn, MD is one of 1,572 obstetrics & gynecology physician records with a practice address in Ohio. 79% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 47% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1991 · median 2004 among the 1,041 with a school on file
  • Record last updated2023 · 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 207V00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Ohio

There are 1,572 obstetrics & gynecology physician records in Ohio.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Emily Lasota, M.D.Strongsville, OH 441361215373550
  2. Johanna O'Neill, MDStrongsville, OH 441361730162710
  3. Daniel Rzepka, MDSolon, OH 441391598861312
  4. Alexis Scaparotti, M.D.Solon, OH 441391326314493
  5. Ori Kushnir, M.D.Euclid, OH 441321841276276
  6. Rebecca Bagley, MDIndependence, OH 441311285838482
  7. Erin Higgins, M.D.Independence, OH 441311689917817
  8. Patrick Beeman, MDMiddleburg Heights, OH 441301497066112

Common questions

What is William K. Hahn, MD's NPI number?

William K. Hahn, MD's National Provider Identifier (NPI) is 1073556205, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William K. Hahn, MD located?

The NPPES record lists a practice address at 18181 Pearl RD Ste B206, Strongsville, OH, 44136. Phone: (440) 816-4930. Providers update this record themselves, so call before visiting.

How can I verify William K. Hahn, MD's license?

NPPES lists Ohio license number 35-065207, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William K. Hahn, MD prescribe under Medicare Part D?

In 2024, William K. Hahn, MD had 375 Medicare Part D claims for 123 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is William K. Hahn, MD's MIPS final score?

The 2023 MIPS final score is 77.3 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), 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.