Clay Holley, M.D.
NPI 1346565330 · Ophthalmology Physician · Butte, MT
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clay Holley, M.D. is a Ophthalmology Physician provider in Butte, MT (NPI 1346565330).
Provider details
- NPI number
- 1346565330
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29887 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,927 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,006 | $126 |
| Imaging of Retina92134 | 1,481 | $40 |
| Injection of Drug Into Eye67028 | 1,126 | $127 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 394 | $39 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 390 | $164 |
| Established Patient Complete Exam of Visual System92014 | 381 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Moxifloxacin Hclbrand: Moxifloxacin | 355 | 266 |
| Latanoprost | 355 | 89 |
| Prednisolone Acetate | 202 | 154 |
| Ketorolac Tromethamine | 134 | 104 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 125 | 36 |
| Difluprednate | 119 | 97 |
| Timolol Maleate | 89 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2760 Elizabeth Warren Ave Ste aButte, MT 59701-3979Phone: (406) 221-2419Fax: (406) 541-3811
- 3116 Saddle Dr Ste 3Helena, MT 59601-8645Phone: (406) 443-4040Fax: (406) 541-3811
Registry dates
- Enumerated
- 2010-04-01
- Last updated
- 2024-08-12
- Certified
- 2024-08-12
Frequently asked questions
- What is Clay Holley's NPI number?
- Clay Holley's National Provider Identifier (NPI) is 1346565330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clay Holley's specialty?
- Clay Holley is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Clay Holley located?
- Clay Holley's practice location on file with NPPES is 2760 Elizabeth Warren Ave, Butte, MT 59701-3979.
- What is Clay Holley's phone number?
- The practice phone number listed in the NPPES registry for Clay Holley is (406) 221-2419.
- Does Clay Holley accept Medicare?
- Clay Holley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clay Holley's NPI active?
- Yes — Clay Holley's NPI (1346565330) is active in the NPPES registry as of the last update on 2024-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.