Quick answers
- Where does Clay D. Holley see patients?
- Medicare's clinician data lists 2 practice locations, including Butte, MT and Missoula, MT. Call before your visit to confirm the address.
- What is Clay D. Holley's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Clay D. Holley accept Medicare assignment?
- Yes. Medicare's clinician data says Clay D. Holley 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 Clay D. Holley?
- (406) 792-1250, as listed in official Medicare / NPI Registry data.
- What is Clay D. Holley's NPI number?
- 1346565330. 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 Clay D. Holley is enrolled with Medicare (CMS data updated 2026-10-02).
- 2760 Elizabeth Warren Ave, Suite BButte, MT 59701 (406) 792‑1250
- 700 W Kent AveMissoula, MT 59801 (406) 541‑3937
Group practices
Medicare enrollment lists Clay D. Holley as a member of this group (CMS data updated 2026-10-02).
- Rocky Mountain Eye Center PC16 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Medical school | Duke University School Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346565330 |
| 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