Quick answers
- Which hospitals does Martha A. Grimm work at?
- Medicare's official clinician data lists Martha A. Grimm at 1 hospital: Texas Health Presbyterian Hospital Plano. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Martha A. Grimm see patients?
- Medicare's clinician data lists 2 practice locations, including Allen, TX and Plano, TX. Call before your visit to confirm the address.
- What is Martha A. Grimm's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Martha A. Grimm accept Medicare assignment?
- Yes. Medicare's clinician data says Martha A. Grimm 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 Martha A. Grimm?
- (972) 747-1000, as listed in official Medicare / NPI Registry data.
- What is Martha A. Grimm's NPI number?
- 1336196930. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Martha A. Grimm works
Medicare's Facility Affiliation Data lists Martha A. Grimm at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Texas Health Presbyterian Hospital PlanoPlano, TX · Acute Care Hospital · CCN 450771
Practice locations
Addresses where Martha A. Grimm is enrolled with Medicare (CMS data updated 2026-10-02).
- 1105 Central N ExpyAllen, TX 75013 (972) 747‑1000
- 6200 W Parker RdPlano, TX 75093 (972) 981‑8000
Group practices
Medicare enrollment lists Martha A. Grimm as a member of this group (CMS data updated 2026-10-02).
- Texas Medicine Resources, LLP261 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Allen
Clinicians with the same Medicare primary specialty in Allen, TX — not a recommendation.
Clinician information
| Medical school | University Of Arizona College Of Medicine |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336196930 |
| 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