NPPES file of Aug 9, 2026

William A. Cliby, M.D.

Gynecologic Oncology Physician · Rochester, MN

William A. Cliby, M.D. is a gynecologic oncology physician with a practice address in Rochester, Minnesota, and NPI 1205815636, issued on Jan 13, 2006. Check the license (Minnesota 34770, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1205815636
Name
William A. Cliby
Credential
M.D.
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
34770 MN
Self-reported in NPPES; status is on the state search
Practice location
200 1St St SW, Rochester, MN 55905
Phone
(507) 284-2511
Enumerated
Jan 13, 2006
Record last updated
Feb 26, 2026
Medicare enrollment
Enrolled (PECOS I20100323000961); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 1987
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 200 1St St SW

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

  1. Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
  2. Christopher Aakre, MDInternal Medicine Physician1508151663
  3. Kathryn Aaro, P.T.Physical Therapist1619360666
  4. Danielle Aase, MDReproductive Endocrinology Physician1316524135
  5. Uzoamaka Abajue, PHARMDPharmacist1982335295
  6. Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246

Verify William A. Cliby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 34770
    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 Minnesota 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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88% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

23 Medicare Part D claims, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.

  1. William Cliby23
  2. Specialty average195

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.

Bills Medicare through one group practice

  1. Mayo ClinicRochester, MN

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

William A. Cliby among 46 gynecologic oncology physician records in Minnesota

William A. Cliby, M.D. is one of 46 gynecologic oncology physician records with a practice address in Minnesota. 91% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 63% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated1987 · median 2008 among the 39 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in Minnesota

There are 46 gynecologic oncology physician records in Minnesota.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Jamie Bakkum-Gamez, M.D.Rochester, MN 559051245204114
  2. Kelly Bruce, M.D.Rochester, MN 559051871024570
  3. Gretchen Glaser, M.D.Rochester, MN 559051184884645
  4. Shariska Harrington, MDRochester, MN 559051144648320
  5. Amanika Kumar, MDRochester, MN 559051932342730
  6. Carrie Langstraat, MDRochester, MN 559051184707572
  7. Andrea Mariani, M.D.Rochester, MN 559051124204946
  8. Shilpa Mokshagundam, MDRochester, MN 559051295390375

Common questions

What is William A. Cliby, M.D.'s NPI number?

William A. Cliby, M.D.'s National Provider Identifier (NPI) is 1205815636, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William A. Cliby, M.D. located?

The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.

How can I verify William A. Cliby, M.D.'s license?

NPPES lists Minnesota license number 34770, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William A. Cliby, M.D. prescribe under Medicare Part D?

In 2024, William A. Cliby, M.D. had 23 Medicare Part D claims; the average among gynecologic oncology physician prescribers was 195. 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.