Quick answers
- Which hospitals does Mark A. Lessner work at?
- Medicare's official clinician data lists Mark A. Lessner at 2 hospitals: Dallas Regional Medical Center and Methodist McKinney Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Lessner see patients?
- Medicare's clinician data lists 1 practice location in Frisco, TX. Call before your visit to confirm the address.
- What is Mark A. Lessner's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Sports Medicine.
- Does Mark A. Lessner accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Lessner 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 A. Lessner?
- (214) 705-6611, as listed in official Medicare / NPI Registry data.
- What is Mark A. Lessner's NPI number?
- 1205986825. 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 A. Lessner works
Medicare's Facility Affiliation Data lists Mark A. Lessner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Dallas Regional Medical CenterMesquite, TX · Acute Care Hospital · CCN 450688
- Methodist McKinney HospitalMcKinney, TX · Acute Care Hospital · CCN 670069
Practice locations
Addresses where Mark A. Lessner is enrolled with Medicare (CMS data updated 2026-10-02).
- 14460 State Hwy 121, Suite 100Frisco, TX 75035 (214) 705‑6611
Group practices
Medicare enrollment lists Mark A. Lessner as a member of this group (CMS data updated 2026-10-02).
- Performance Orthopaedics and Sports Medicine, P.A.5 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Sports Medicinealso
Other orthopedic surgeons in Frisco
Clinicians with the same Medicare primary specialty in Frisco, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205986825 |
| 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