Quick answers
- Where does Grant Frost see patients?
- Medicare's clinician data lists 2 practice locations, including San Marcos, CA and Palm Springs, CA. Call before your visit to confirm the address.
- What is Grant Frost's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Grant Frost accept Medicare assignment?
- Yes. Medicare's clinician data says Grant Frost 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 Grant Frost?
- (760) 839-2905, as listed in official Medicare / NPI Registry data.
- What is Grant Frost's NPI number?
- 1225520398. 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 Grant Frost is enrolled with Medicare (CMS data updated 2026-10-02).
- 2115 Montiel Rd, Suite 103San Marcos, CA 92069 (760) 839‑2905
- 552 S Paseo Dorotea, Suite 4Palm Springs, CA 92264 (760) 325‑5950
Group practices
Medicare enrollment lists Grant Frost as a member of this group (CMS data updated 2026-10-02).
- MDRS Spine and Sport Inc192 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, California →
Other physical therapists in San Marcos
Clinicians with the same Medicare primary specialty in San Marcos, CA — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225520398 |
| 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