Quick answers
- Where does Gregory A. Lenheim see patients?
- Medicare's clinician data lists 2 practice locations, including Mansfield, TX and Frisco, TX. Call before your visit to confirm the address.
- What is Gregory A. Lenheim's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Gregory A. Lenheim accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Lenheim 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 Gregory A. Lenheim?
- (972) 502-9981, as listed in official Medicare / NPI Registry data.
- What is Gregory A. Lenheim's NPI number?
- 1639131410. 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 Gregory A. Lenheim is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 N Miller Rd, Suite 300Mansfield, TX 76063 (972) 502‑9981
- 8380 Warren Pkwy, Suite 100Frisco, TX 75034 (214) 705‑1200
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in Mansfield
Clinicians with the same Medicare primary specialty in Mansfield, TX — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639131410 |
| 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