Brendan Butler, M.D.
NPI 1821384694 · Glaucoma Specialist (Ophthalmology) Physician · Medford, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brendan Butler, M.D. is a Glaucoma Specialist (Ophthalmology) Physician provider in Medford, OR (NPI 1821384694).
Provider details
- NPI number
- 1821384694
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD171455 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,810 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 | 466 | $121 |
| Imaging of Optic Nerve92133 | 232 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 176 | $86 |
| Exam of Visual Field With Extended Testing92083 | 171 | $56 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 171 | $37 |
| Established Patient Complete Exam of Visual System92014 | 147 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 691 | 241 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 308 | 101 |
| Timolol Maleate | 292 | 123 |
| Brimonidine Tartrate | 165 | 60 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 68 | 26 |
| Cyclosporinebrand: Restasis | 67 | 25 |
| Prednisolone Acetate | 63 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$94 across 1 record (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
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2017-07-26
Frequently asked questions
- What is Brendan Butler's NPI number?
- Brendan Butler's National Provider Identifier (NPI) is 1821384694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Butler's specialty?
- Brendan Butler is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan Butler located?
- Brendan Butler's practice location on file with NPPES is 1333 E Barnett Rd, Medford, OR 97504-8219.
- What is Brendan Butler's phone number?
- The practice phone number listed in the NPPES registry for Brendan Butler is (541) 779-4711.
- Does Brendan Butler accept Medicare?
- Brendan Butler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brendan Butler's NPI active?
- Yes — Brendan Butler's NPI (1821384694) is active in the NPPES registry as of the last update on 2017-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.