Quick answers
- Does Gurinder S. Grewal accept Medicare assignment?
- Medicare's clinician data says Gurinder S. Grewal may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Gurinder S. Grewal's NPI number?
- 1558086215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gurinder S. Grewal works
Medicare's Facility Affiliation Data lists Gurinder S. Grewal at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Coalinga Regional Medical CenterCoalinga, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051338
Practice locations
Addresses where Gurinder S. Grewal is enrolled with Medicare (CMS data updated October 2, 2026).
- 1191 Phelps AveCoalinga, CA 93210
- 1424 Hummingbird WayBanning, CA 92220 (626) 250‑4912
- 173 E Webster StColusa, CA 95932 (209) 287‑6308
Group practices
Medicare enrollment lists Gurinder S. Grewal as a member of these groups (CMS data updated October 2, 2026).
- American Specialty Physicians Group Inc100 clinicians in the group
- Harbor Wound Care P C29 clinicians in the group
- Coalinga Regional Medical Center6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in American Specialty Physicians Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1558086215 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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