Robert Bruce Keyser, M.D.
Ophthalmology Physician · Denver, CO
Robert Bruce Keyser, M.D. is an ophthalmology physician with a practice address in Denver, Colorado, and NPI 1881634301, issued on Jun 7, 2006. Check the license (Colorado 19772, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Bruce Keyser
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 19772 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1666 S University Blvd, Denver, CO 80210
- Phone
- (303) 320-1777
- Enumerated
- Jun 7, 2006
- Record last updated
- Aug 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (303) 733-9219
- Medicare enrollment
- Enrolled (PECOS I20040630000071); may accept Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1968
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 338 in Colorado → Look up another NPI →
Also registered at 1666 S University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Ammons, M.D.Ophthalmology Physician1386687390
- Amy Kelmenson, MDOphthalmology Physician1790996437
- Richard Kelmenson, MDOphthalmology Physician1609949973
- James Melzer, O.D.Optometrist1295774248
- Stephanie Melzer, O.D.Optometrist1518219856
Verify Robert Bruce Keyser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 19772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
20 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost11 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.
Bills Medicare through one group practice
- Colorado Coalition For The HomelessDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Bruce Keyser among 338 ophthalmology physician records in Colorado
Robert Bruce Keyser, M.D. 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
- Graduated1968 · median 2001 among the 199 with a school on file
- Record last updated2014 · 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 Denver → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Ammons, M.D.Denver, CO 802101386687390
- Laura Cannavo, M.D.Denver, CO 802101538103650
- William Hines, MDDenver, CO 802101356349369
- Nancy Houlder, MDDenver, CO 802101184686081
- Kenneth Hovland, MDDenver, CO 802101245237395
- Peter Hovland, MD PHDDenver, CO 802101720047210
- Jason Jacobs, MDDenver, CO 802101750379954
- Holly Kent, MDDenver, CO 802101700873288
Common questions
What is Robert Bruce Keyser, M.D.'s NPI number?
Robert Bruce Keyser, M.D.'s National Provider Identifier (NPI) is 1881634301, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Bruce Keyser, M.D. located?
The NPPES record lists a practice address at 1666 S University Blvd, Denver, CO, 80210. Phone: (303) 320-1777. Providers update this record themselves, so call before visiting.
How can I verify Robert Bruce Keyser, M.D.'s license?
NPPES lists Colorado license number 19772, 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 Robert Bruce Keyser, M.D. prescribe under Medicare Part D?
In 2024, Robert Bruce Keyser, M.D. had 20 Medicare Part D claims; 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.