William Crook, P.A.
NPI 1801854534 · Physician Assistant · Petoskey, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Crook, P.A. is a Physician Assistant provider in Petoskey, MI (NPI 1801854534).
Provider details
- NPI number
- 1801854534
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 5601004363 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
179 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $73 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 47 | $62 |
| X-Ray of Knee, 4 Or More Views73564 | 34 | $37 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 14 | $90 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 12 | $40 |
Typical Medicare-allowed amounts for these services range $37–$90 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is William Crook's NPI number?
- William Crook's National Provider Identifier (NPI) is 1801854534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Crook's specialty?
- William Crook is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Crook located?
- William Crook's practice location on file with NPPES is 4170 Cedar Bluff Dr, Petoskey, MI 49770-7627.
- What is William Crook's phone number?
- The practice phone number listed in the NPPES registry for William Crook is (231) 487-2230.
- Does William Crook accept Medicare?
- William Crook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Crook's NPI active?
- Yes — William Crook's NPI (1801854534) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.