WILLIAM A CLIBY (M.D.) – Gynecologic Oncology Physician, NPI 1205815636

WILLIAM A CLIBY (M.D.) is a healthcare provider. based in Rochester, Minnesota. specializing in GYNECOLOGICAL ONCOLOGY. They hold the professional credentials M.D.. They hold a License No. 34770 (MN). The NPI Number for WILLIAM A CLIBY (M.D.) is 1205815636

Main info

Male
39 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM A CLIBY (M.D.)
NPI
1205815636
Phone
(507) 284-2511
Address
200 1ST ST SW
Enumeration Date
13 January 2006
Last Update Date
26 February 2026

Doctor Profile

Medical School Name
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Secondary Phone
5072842511
Graduation Year
1987 (39 years ago)
PAC ID
2365577780
Group Practice PAC ID
6507778255
Professional Enrollment ID
I20100323000961
Address ID
MN559050001RO200XXSWXX400

Contacts

Secure Messaging
wcliby132479@ehrdirect.mayoclinicmsg.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience74
Completeness95
Years active:20State licenses:1Other names

49 GYNECOLOGICAL ONCOLOGY in MN

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Provider Addresses for WILLIAM A CLIBY (M.D.)

  • 1st Street Southwest, Rochester, Olmsted County, Minnesota, 55903, United States

    ROCHESTER, MN 559050001

    Phone: (507) 284-2511

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-03-23

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100323000961IGynecological OncologyMNTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99204New patient office or other outpatient visit, 45-59 minutes2222$0
View full utilization report →

Insurance plans in this area (ZIP 55905)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6507778255View full group profile

Reviews

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Frequently asked questions

Does WILLIAM A CLIBY (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — WILLIAM A CLIBY (M.D.) uses 1205815636.
Is WILLIAM A CLIBY (M.D.) still practicing?
WILLIAM A CLIBY (M.D.) is currently listed as active in the public NPI registry.
What is WILLIAM A CLIBY (M.D.)'s primary classification?
Gynecologic Oncology Physician is the headline specialty for WILLIAM A CLIBY (M.D.) here. Clinical services aligned with this taxonomy classification.
Does WILLIAM A CLIBY (M.D.) list a practice location?
Patients near Rochester, Minnesota may find WILLIAM A CLIBY (M.D.) in results; validate coverage separately.
Why does WILLIAM A CLIBY (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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