Donald Keller, MD
NPI 1275570038 · Ophthalmology Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Keller, MD is a Ophthalmology Physician provider in Boulder, CO (NPI 1275570038).
Provider details
- NPI number
- 1275570038
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34505 (CO)
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
20 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
2,728 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 Complete Exam of Visual System92014 | 625 | $127 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 437 | $129 |
| Photography of the Retina92250 | 347 | $37 |
| Imaging of Retina92134 | 252 | $40 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 190 | $523 |
| Imaging of Optic Nerve92133 | 181 | $37 |
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 | 968 | 193 |
| Timolol Maleate | 234 | 67 |
| Brimonidine Tartrate | 74 | 18 |
| Prednisolone Acetate | 57 | 50 |
| Bimatoprostbrand: Lumigan | 49 | 12 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 48 | 12 |
| Dorzolamide Hcl | 47 | 14 |
| Cyclosporine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 3 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
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2010-10-29
Frequently asked questions
- What is Donald Keller's NPI number?
- Donald Keller's National Provider Identifier (NPI) is 1275570038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Keller's specialty?
- Donald Keller is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Keller located?
- Donald Keller's practice location on file with NPPES is 4745 Arapahoe Ave, Boulder, CO 80303-1080.
- What is Donald Keller's phone number?
- The practice phone number listed in the NPPES registry for Donald Keller is (303) 444-3000.
- Does Donald Keller accept Medicare?
- Donald Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Keller's NPI active?
- Yes — Donald Keller's NPI (1275570038) is active in the NPPES registry as of the last update on 2010-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.