Donald Joseph Keller, MD
Ophthalmology Physician · Boulder, CO
Donald Joseph Keller, MD is an ophthalmology physician with a practice address in Boulder, Colorado, and NPI 1275570038, issued on Jun 1, 2006. Check the license (Colorado 34505, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald Joseph Keller
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 34505 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4745 Arapahoe Ave, Boulder, CO 80303
- Phone
- (303) 444-3000
- Enumerated
- Jun 1, 2006
- Record last updated
- Jul 30, 2026
- Fax
- (303) 444-3226
- Medicaid ID
- 01345057 CO
- Medicare enrollment
- Enrolled (PECOS I20041029000222); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 338 in Colorado → Look up another NPI →
Also registered at 4745 Arapahoe Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimdao Collier, PHARMDPharmacist1225310584
- Kevin Cuevas, MDOphthalmology Physician1265418438
Verify Donald Joseph Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 34505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average ophthalmology physician in 2024
1,831 Medicare Part D claims for 357 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Latanoprost968 claims
- Timolol Maleate234 claims
- Brimonidine Tartrate74 claims
- Prednisolone Acetate57 claims
- Lumigan49 claims
- Brimonidine Tartrate-Timolol48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $79.91
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Donald J Keller MD PCBoulder, CO
- Eye Center OF Northern Colorado PCLoveland, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Joseph Keller among 338 ophthalmology physician records in Colorado
Donald Joseph Keller, MD is one of 338 ophthalmology physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2001 among the 199 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Colorado
There are 338 ophthalmology physician records in Colorado.
All 338 in Colorado → Every provider in Boulder → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Kevin Cuevas, MDBoulder, CO 803031265418438
- John Kloor, MDBoulder, CO 803031962546671
- Geeta Lalchandani-Lalwani, M.D.Boulder, CO 803031609891811
- Brian Nichols, M.D. PH.D.Boulder, CO 803031699727172
- William Roberts, M.D.Boulder, CO 803031598876948
- Ken Kreidl, M.D.Boulder, CO 803041942284500
- Donald McCormack, M.D.Boulder, CO 803041275518482
- Mark Packer, M.D.Boulder, CO 803021205834439
Common questions
What is Donald Joseph Keller, MD's NPI number?
Donald Joseph Keller, MD's National Provider Identifier (NPI) is 1275570038, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Joseph Keller, MD located?
The NPPES record lists a practice address at 4745 Arapahoe Ave, Boulder, CO, 80303. Phone: (303) 444-3000. Providers update this record themselves, so call before visiting.
How can I verify Donald Joseph Keller, MD's license?
NPPES lists Colorado license number 34505, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Joseph Keller, MD prescribe under Medicare Part D?
In 2024, Donald Joseph Keller, MD had 1,831 Medicare Part D claims for 357 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.