Quick answers
- Which hospitals does Mark Klein work at?
- Medicare's official clinician data lists Mark Klein at 3 hospitals: Medical City Denton, North Texas Medical Center and Texoma Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Klein see patients?
- Medicare's clinician data lists 1 practice location in Gainesville, TX. Call before your visit to confirm the address.
- What is Mark Klein's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Klein 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.
- What is the phone number for Mark Klein?
- (940) 665-9863, as listed in official Medicare / NPI Registry data.
- What is Mark Klein's NPI number?
- 1982686390. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Klein works
Medicare's Facility Affiliation Data lists Mark Klein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Medical City DentonDenton, TX · Acute Care Hospital · CCN 450634
- North Texas Medical CenterGainesville, TX · Acute Care Hospital · CCN 450090
- Texoma Medical CenterDenison, TX · Acute Care Hospital · CCN 450324
Practice locations
Addresses where Mark Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1625 N Grand AveGainesville, TX 76240 (940) 665‑9863
Specialties
- Family Practiceprimary
Other family doctors in Gainesville
Clinicians with the same Medicare primary specialty in Gainesville, TX — not a recommendation.
Clinician information
| Graduation year | 1997 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982686390 |
| 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