Doctor profile · Federal record

Dr. William Cliby, M.D.

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Gynecology Physician · Obstetrics & Gynecology Physician · Rochester, MN

  • NPI 1205815636
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
February 26, 2026
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Minnesota #34770

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205815636. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
1
Medicare allowed
$3,606
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $164

In context: peer comparison

Among 6 peers in Rochester Gynecologic Oncology Physician, average services per provider: 21. This provider delivers 1.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Cliby's medical specialty?
Dr. William Cliby practices Gynecologic Oncology Physician in Rochester, MN.
Where does Dr. William Cliby practice?
Dr. William Cliby practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. William Cliby's NPI?
Dr. William Cliby's National Provider Identifier (NPI) is 1205815636, issued by NPPES.
Does Dr. William Cliby accept Medicare assignment?
Yes. Dr. William Cliby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Cliby commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.