Quick answers
- Where does Mark E. Leclair see patients?
- Medicare's clinician data lists 2 practice locations, including Dallas, TX and Plano, TX. Call before your visit to confirm the address.
- What is Mark E. Leclair's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mark E. Leclair accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Leclair 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 E. Leclair?
- (214) 456-6745, as listed in official Medicare / NPI Registry data.
- What is Mark E. Leclair's NPI number?
- 1174017099. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark E. Leclair is enrolled with Medicare (CMS data updated 2026-10-02).
- 1935 Medical District DrDallas, TX 75235 (214) 456‑6745
- 7601 Preston RdPlano, TX 75024 (469) 303‑7000
Group practices
Medicare enrollment lists Mark E. Leclair as a member of this group (CMS data updated 2026-10-02).
- University of Texas Southwestern Medical Center at Dallas3,187 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174017099 |
| 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
- 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