Quick answers
- Does William F. Wittman accept Medicare assignment?
- Yes. Medicare's clinician data says William F. Wittman 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 William F. Wittman see?
- In 2024, CMS data shows 155 Original Medicare patients and 514 services for William F. Wittman. This counts Original Medicare only and measures volume, not quality.
- What is William F. Wittman's NPI number?
- 1801853064. 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 William F. Wittman, 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 | 155 |
|---|---|
| Services billed to Medicare | 514 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)285 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)97 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 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 cholesterol75%
- High blood pressure74%
- Arthritis53%
- Anxiety32%
- Diabetes27%
- Ischemic heart disease24%
Hospitals where William F. Wittman works
Medicare's Facility Affiliation Data lists William F. Wittman 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.
- Penn Highlands DuboisDubois, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390086
- Penn Highlands ElkSaint Marys, PA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 391315
Practice locations
Addresses where William F. Wittman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1100 Million Dollar HwySaint Marys, PA 15857 (814) 781‑3316
- 145 Hospital Ave, Suite 315Du Bois, PA 15801 (814) 503‑4305
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 761 Johnsonburg RdSaint Marys, PA 15857 (814) 788‑8220
- 761 Johnsonburg Rd, Suite 160Saint Marys, PA 15857 (814) 788‑8777
Group practices
Medicare enrollment lists William F. Wittman as a member of these groups (CMS data updated October 2, 2026).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Dubois Regional Medical Center416 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Marys
Clinicians with the same Medicare primary specialty in Saint Marys, PA — not a recommendation.
Other clinicians in Phoenix Rehabilitation and Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801853064 |
| 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