Quick answers
- Where does Robert I. Fish see patients?
- Medicare's clinician data lists 3 practice locations, including Littleton, CO, Highlands Ranch, CO and Denver, CO. Call before your visit to confirm the address.
- What is Robert I. Fish's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Robert I. Fish accept Medicare assignment?
- Yes. Medicare's clinician data says Robert I. Fish accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Robert I. Fish?
- (303) 730-0404, as listed in official Medicare / NPI Registry data.
- What is Robert I. Fish's NPI number?
- 1285707034. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert I. Fish is enrolled with Medicare (CMS data updated 2026-10-02).
- 1501 W Mineral Ave, Suite 100Littleton, CO 80120 (303) 730‑0404
- 3235 Mill Vista RdHighlands Ranch, CO 80129 (303) 730‑0404
- 777 Bannock StDenver, CO 80204 (303) 436‑6000
Group practices
Medicare enrollment lists Robert I. Fish as a member of these groups (CMS data updated 2026-10-02).
- Denver Health and Hospital Authority849 clinicians in the group
- Corneal Consultants of Colorado PC10 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Littleton
Clinicians with the same Medicare primary specialty in Littleton, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285707034 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians