Quick answers
- Does Isaac Ingersoll accept Medicare assignment?
- Medicare's clinician data says Isaac Ingersoll may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Isaac Ingersoll's NPI number?
- 1861998346. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Isaac Ingersoll works
Medicare's Facility Affiliation Data lists Isaac Ingersoll 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.
- Sidney Health CenterSidney, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271344
Practice locations
Addresses where Isaac Ingersoll is enrolled with Medicare (CMS data updated October 2, 2026).
- 214 14th Ave SWSidney, MT 59270 (406) 488‑2112
Group practices
Medicare enrollment lists Isaac Ingersoll as a member of this group (CMS data updated October 2, 2026).
- Sidney Health Center57 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sidney
Clinicians with the same Medicare primary specialty in Sidney, MT — not a recommendation.
Other clinicians in Sidney Health Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Pacific Nw Un Of Hs, Col Of Osteopathic Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1861998346 |
| 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