Quick answers
- Which hospitals does Eric J. May work at?
- Medicare's official clinician data lists Eric J. May at 5 hospitals: Beartooth Billings Clinic, Big Horn Hospital, Billings Clinic Hospital, Cody Regional Health and North Big Horn Hospital District. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric J. May see patients?
- Medicare's clinician data lists 5 practice locations, including Hardin, MT, Cody, WY and Red Lodge, MT. Call before your visit to confirm the address.
- What is Eric J. May's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Eric J. May accept Medicare assignment?
- Yes. Medicare's clinician data says Eric J. May 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 Eric J. May?
- (406) 665-2310, as listed in official Medicare / NPI Registry data.
- What is Eric J. May's NPI number?
- 1447561360. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric J. May works
Medicare's Facility Affiliation Data lists Eric J. May at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beartooth Billings ClinicRed Lodge, MT · Critical Access Hospital · CCN 271326
- Big Horn HospitalHardin, MT · Critical Access Hospital · CCN 271338
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Cody Regional HealthCody, WY · Critical Access Hospital · CCN 531312
- North Big Horn Hospital DistrictLovell, WY · Critical Access Hospital · CCN 531309
Practice locations
Addresses where Eric J. May is enrolled with Medicare (CMS data updated 2026-10-02).
- 17 N Miles AveHardin, MT 59034 (406) 665‑2310
- 201 Yellowstone AveCody, WY 82414 (307) 527‑7561
- 2525 N Broadway AveRed Lodge, MT 59068 (406) 446‑2345
- 2800 10th Ave NBillings, MT 59101 (406) 657‑4000
- 710 11th St NColumbus, MT 59019 (406) 322‑1000
Group practices
Medicare enrollment lists Eric J. May as a member of these groups (CMS data updated 2026-10-02).
- Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group
- Stillwater Hospital Association Inc26 clinicians in the group
- Memorial Hospital Association21 clinicians in the group
- Big Horn Hospital Association9 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Hardin
Clinicians with the same Medicare primary specialty in Hardin, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447561360 |
| 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