Quick answers
- Which hospitals does Marc S. Demyun work at?
- Medicare's official clinician data lists Marc S. Demyun at 2 hospitals: Hunt Regional Medical Center and Texoma Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc S. Demyun see patients?
- Medicare's clinician data lists 7 practice locations, including Greenville, TX, Arlington, TX and Denison, TX. Call before your visit to confirm the address.
- What is Marc S. Demyun's specialty?
- Medicare lists General Practice as the primary specialty, and also Family Practice.
- Does Marc S. Demyun accept Medicare assignment?
- Yes. Medicare's clinician data says Marc S. Demyun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Marc S. Demyun offer telehealth?
- Medicare's clinician data says Marc S. Demyun offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marc S. Demyun?
- (903) 453-2850, as listed in official Medicare / NPI Registry data.
- What is Marc S. Demyun's NPI number?
- 1952366684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc S. Demyun works
Medicare's Facility Affiliation Data lists Marc S. Demyun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hunt Regional Medical CenterGreenville, TX · Acute Care Hospital · CCN 450352
- Texoma Medical CenterDenison, TX · Acute Care Hospital · CCN 450324
Practice locations
Addresses where Marc S. Demyun is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 4001 Ridgecrest Rd, Suite AGreenville, TX 75402 (903) 453‑2850
- 4201 Interway PlArlington, TX 76018 (833) 696‑2329
- 4215 Joe Ramsey Blvd EGreenville, TX 75401 (903) 408‑5000
- 5016 S US Hwy 75, Texoma Medical CenterDenison, TX 75020 (903) 416‑4000
- 505 E US Hwy 80Forney, TX 75126 (844) 391‑7277
Group practices
Medicare enrollment lists Marc S. Demyun as a member of these groups (CMS data updated 2026-10-02).
- Hospitalist Medicine Physicians of Texas - Burnet PLLC76 clinicians in the group
- Hunt Memorial Hospital District36 clinicians in the group
- Texas Health and Therapy Centers12 clinicians in the group
- Precision Health Clinic PLLC3 clinicians in the group
Specialties
- General Practiceprimary
- Family Practicealso
Other general practitioners in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952366684 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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