Retina Specialists in Colorado
Data updated monthly · Last refresh October 2026
53 Retina Specialist (Ophthalmology) providers practice in Colorado. The largest concentration is in Aurora. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
53providers
Auroratop city
Retina Specialist (Ophthalmology) by city in Colorado
Choose a city to see providers there.
Where Retina Specialists in Colorado practice
From CMS Medicare enrollment records covering 43 of the 53 providers listed here (81%). Providers who do not bill Medicare are not included in these figures.
26%solo or small practice (under 10 clinicians)
35%mid-size group (10 to 99)
40%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Retina Specialists | All clinicians in group | Main city |
| University Physicians Inc.orporated | 16 | 3,189 | Aurora |
| Colorado Retina Associates, PLLC | 11 | 15 | Lakewood |
| Denver Health and Hospital Authority | 5 | 830 | Denver |
| Retina Consultants of Southern Colorado P C | 4 | 8 | Colorado Springs |
| Eye Care Center of Northern Colorado, PC | 3 | 16 | Longmont |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Retina Specialists affiliated |
| University of Colorado Hospital Authority | Aurora | Government | 5 of 5 | 13 |
| Denver Health & Hospital Authority | Denver | Government | 3 of 5 | 5 |
| Uch-Memorial Health System | Colorado Springs | Government | 4 of 5 | 3 |
| Animas Surgical Hospital, LLC | Durango | Physician-owned | Not rated | 3 |
| Uchealth Highlands Ranch Hospital | Highlands Ranch | Nonprofit | 5 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Retina Specialist (Ophthalmology) providers in Colorado
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Abraham Hang, MDAurora, CO · $1,622 in drug and device payments (2025) ·
(720) 848-0000 Dr. Alan Palestine, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Anh Nguyen, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Emily Cole, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Frank Siringo, M.D., O.D.Aurora, CO · $1,001 in drug and device payments (2025) ·
(720) 848-0000 Dr. Lynn Hassman, MDAurora, CO · $7,156 in drug and device payments (2025) ·
(720) 848-0000 Dr. Nikita Mokhashi, MDAurora, CO · $1,454 in drug and device payments (2025) ·
(720) 848-0000 Dr. Niranjan Manoharan, MD Dr. Ross Chod, M.D.Aurora, CO · $2,487 in drug and device payments (2025) ·
(720) 443-2425 Dr. Talisa Forest, MDAurora, CO · $4,248 in drug and device payments (2025) ·
(720) 848-0000 Dr. Zachary Koretz, MDAurora, CO · $1,626 in drug and device payments (2025) ·
(720) 443-2425 Dr. Brent Deibert, MDBoulder, CO · $400 in drug and device payments (2025) ·
(303) 444-3000 Dr. Vlad Matei, MDBoulder, CO · $1,178 in drug and device payments (2025) ·
(303) 900-8507 Dr. Adam Martidis, MDColorado Springs, CO · $1,208 in drug and device payments (2025) ·
(719) 473-9595 Dr. James Luu, M.D.Colorado Springs, CO · $1,068 in drug and device payments (2025) ·
(719) 473-9595 Dr. Jonathan Williams, M.D.Colorado Springs, CO · No drug or device payments recorded (2025) ·
(719) 473-9595 Dr. Mark Chittum, M.D.Colorado Springs, CO · No drug or device payments recorded (2025) ·
(719) 473-9595 Dr. Ramin Sarrafizadeh, MDColorado Springs, CO · $53 in drug and device payments (2025) ·
(719) 473-9595 Dr. Stanford Taylor, M.D.Colorado Springs, CO · No drug or device payments recorded (2025) ·
(719) 473-9595 Dr. Alan Kimura, MDDenver, CO · $8,140 in drug and device payments (2025) ·
(303) 261-1600 Dr. Mariana Harasawa, MDDenver, CO · No drug or device payments recorded (2025) ·
(303) 377-2020 Dr. Kyle Piwonka, D.O.Durango, CO · $263 in drug and device payments (2025) ·
(970) 259-2202 Dr. Moss Fenberg, MDDurango, CO · $10,574 in drug and device payments (2025) ·
(970) 828-2200 Dr. Sara Haug, MD, PHDDurango, CO · $343 in drug and device payments (2025) ·
(970) 828-2200 Dr. Mimi Liu, MDEnglewood, CO · $322 in drug and device payments (2025) ·
(303) 261-1600 Dr. William Gange, MDFort Collins, CO · $636 in drug and device payments (2025) ·
(970) 221-2222 Dr. Salil Shukla, MDGolden, CO · $1,463 in drug and device payments (2025) ·
(303) 261-1600 Dr. Ashleigh Levison, MDLafayette, CO · $1,407 in drug and device payments (2025) ·
(303) 261-1600 Dr. Robert Courtney, MDLafayette, CO · $916 in drug and device payments (2025) ·
(303) 261-1600 Dr. Andrew Zheng, MDLakewood, CO · $1,084 in drug and device payments (2025) ·
(303) 261-1600 Dr. Catherine Zhu, MDLakewood, CO · No drug or device payments recorded (2025) ·
(303) 261-1600 Dr. Paul Micevych, MDLakewood, CO · $302 in drug and device payments (2025) ·
(303) 261-1600 Dr. Carl Noble, DOLongmont, CO · $416 in drug and device payments (2025) ·
(303) 772-3300 Dr. Justin Kanoff, M.D.Longmont, CO · $548 in drug and device payments (2025) ·
(303) 772-3300 Dr. Matthew Manry, MDLongmont, CO · $810 in drug and device payments (2025) ·
(303) 772-3300 Dr. William Benedict, M.D.Longmont, CO · No drug or device payments recorded (2025) ·
(303) 772-3300 Common questions
How many Retina Specialist (Ophthalmology) providers are in Colorado?There are 53 Retina Specialist (Ophthalmology) providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Which cities in Colorado have the most Retina Specialist (Ophthalmology) providers?Aurora (21), Colorado Springs (6), Denver (6) have the highest concentration of Retina Specialist (Ophthalmology) providers in Colorado.
How many Retina Specialist (Ophthalmology) providers in Colorado received drug or device company payments?43 of 53 Retina Specialist (Ophthalmology) providers in Colorado (81%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Retina Specialists in Colorado work in independent practices or large health systems?Among 43 Retina Specialists in Colorado enrolled in Medicare, 26% bill through a solo or small practice with fewer than 10 clinicians, 35% through a mid-size group of 10 to 99, and 40% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Retina Specialists in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Retina Specialists hold privileges are University of Colorado Hospital Authority in Aurora; Denver Health & Hospital Authority in Denver; Uch-Memorial Health System in Colorado Springs.
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