Quick answers
- Where does Diana E. Koelliker see patients?
- Medicare's clinician data lists 1 practice location in Telluride, CO. Call before your visit to confirm the address.
- What is Diana E. Koelliker's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Diana E. Koelliker accept Medicare assignment?
- Medicare's clinician data says Diana E. Koelliker may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Diana E. Koelliker's NPI number?
- 1871567883. 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 Diana E. Koelliker is enrolled with Medicare (CMS data updated 2026-10-02).
- PO Box, Suite 1229Telluride, CO 81435
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1871567883 |
| 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