Quick answers
- Where does Eri O. Martin see patients?
- Medicare's clinician data lists 2 practice locations, including Lewistown, MT and Miles City, MT. Call before your visit to confirm the address.
- What is Eri O. Martin's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Eri O. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Eri O. Martin 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 Eri O. Martin?
- (406) 535-6545, as listed in official Medicare / NPI Registry data.
- What is Eri O. Martin's NPI number?
- 1073339297. 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 Eri O. Martin is enrolled with Medicare (CMS data updated 2026-10-02).
- 311 W Main StLewistown, MT 59457 (406) 535‑6545
- 601 Main StMiles City, MT 59301 (406) 874‑8700
Group practices
Medicare enrollment lists Eri O. Martin as a member of this group (CMS data updated 2026-10-02).
- Bighorn Valley Health Center Incorporated79 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Lewistown
Clinicians with the same Medicare primary specialty in Lewistown, MT — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073339297 |
| 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