Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William F Crook, P.A.
Physician Assistant in Petoskey, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801854534
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Registry record
Entity type Individual (Type 1)
Name William F Crook
Credential P.A.
Sex Male
Practice address 4170 Cedar Bluff Dr, Petoskey, MI, 49770
Phone (231) 487-2230
Fax (314) 876-1722
Enumeration date May 3, 2006
Last updated in NPPES Jan 14, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601004363 (MI) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for William Crook?
The National Provider Identifier (NPI) for William Crook is 1801854534, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Crook practice?
The practice location on file with NPPES is in Petoskey, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jeffrey Smith Plastic Surgery Physician · Petoskey, MI NPI 1144203175 Tina Crook Physician Assistant · Petoskey, MI NPI 1285659953 Murray Cotter Dermatology Physician · Petoskey, MI NPI 1669598744 Nicole Casady Medical Physician Assistant · Petoskey, MI NPI 1801081344 Deanna Geisler Medical Physician Assistant · Petoskey, MI NPI 1851622542 Trevor O'Brien Plastic and Reconstructive Surgery Physician · Petoskey, MI NPI 1487091989 Laura Bottomley-Brown Family Nurse Practitioner · Petoskey, MI NPI 1568947596
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-14.