Quick answers
- Does Gary W. Crooks accept Medicare assignment?
- Yes. Medicare's clinician data says Gary W. Crooks accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gary W. Crooks see?
- In 2024, CMS data shows 250 Original Medicare patients and 1,427 services for Gary W. Crooks. This counts Original Medicare only and measures volume, not quality.
- What is Gary W. Crooks's NPI number?
- 1831129980. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gary W. Crooks, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 250 |
|---|---|
| Services billed to Medicare | 1,427 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)347 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)160 services
- Urinalysis, manual test (81002)139 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)120 services
- Administration of influenza virus vaccine (G0008)68 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol65%
- High blood pressure58%
- Arthritis44%
- Osteoporosis23%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)22%
- Ischemic heart disease18%
Hospitals where Gary W. Crooks works
Medicare's Facility Affiliation Data lists Gary W. Crooks at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
- Doylestown HospitalDoylestown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390203
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
- Penn Presbyterian Medical CenterPhiladelphia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390223
- Pennsylvania HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390226
Practice locations
Addresses where Gary W. Crooks is enrolled with Medicare (CMS data updated October 2, 2026).
- 3400 Civic Ctr Blvd E Fl, 1 Personalized Care PpmcPhiladelphia, PA 19104 (215) 662‑2450
- 4275 County Line Rd, Suite 26Chalfont, PA 18914 (267) 952‑8120
Group practices
Medicare enrollment lists Gary W. Crooks as a member of these groups (CMS data updated October 2, 2026).
- Clinical Care Associates of the University of Pennsylvania Health.598 clinicians in the group
- Rehabclinics SPT Inc104 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Other clinicians in Clinical Care Associates of the University of Pennsylvania Health.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831129980 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians