Quick answers
- Does Gary R. Marree Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Gary R. Marree Jr. 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 R. Marree Jr. see?
- In 2024, CMS data shows 105 Original Medicare patients and 107 services for Gary R. Marree Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Gary R. Marree Jr.'s NPI number?
- 1952738924. 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 R. Marree Jr., 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 | 105 |
|---|---|
| Services billed to Medicare | 107 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for procedure for total knee joint replacement (01402)17 services
- Anesthesia for other procedure on top of arm bone and shoulder joint (01630)11 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%
- Arthritis75%
- High blood pressure68%
- Anxiety36%
- Ischemic heart disease29%
- Depression24%
Hospitals where Gary R. Marree Jr. works
Medicare's Facility Affiliation Data lists Gary R. Marree Jr. 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.
- Mon Health Medical CenterMorgantown, WV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 510024
- West Virginia University Hospitals, IncMorgantown, WV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 510001
Practice locations
Addresses where Gary R. Marree Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Medical Ctr DrMorgantown, WV 26506 (304) 598‑4865
- 1200 J D Anderson DrMorgantown, WV 26505 (304) 720‑8816
- 1200 J D Anderson Dr, Fl 4Morgantown, WV 26505 (304) 598‑1500
Group practices
Medicare enrollment lists Gary R. Marree Jr. as a member of these groups (CMS data updated October 2, 2026).
- West Virginia University Medical Corporation1,980 clinicians in the group
- Northstar Anesthesia of West Virginia PLLC123 clinicians in the group
- Mid-Atlantic Anesthesia Consultants LLC23 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), West Virginia →
Other nurse anesthetists in Morgantown
Clinicians with the same Medicare primary specialty in Morgantown, WV — not a recommendation.
Other clinicians in West Virginia University Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952738924 |
| 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