Diana Koelliker, M.D.
NPI 1871567883 · Emergency Medicine Physician · Telluride, CO
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Koelliker, M.D. is a Emergency Medicine Physician provider in Telluride, CO (NPI 1871567883).
Provider details
- NPI number
- 1871567883
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- DR.0042229 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
257 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 33 | $8 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 29 | $112 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 20 | $14 |
| Urinalysis, Manual Test81002 | 19 | $3 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 18 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2015-09-02
Frequently asked questions
- What is Diana Koelliker's NPI number?
- Diana Koelliker's National Provider Identifier (NPI) is 1871567883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Koelliker's specialty?
- Diana Koelliker is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Koelliker located?
- Diana Koelliker's practice location on file with NPPES is 500 W Pacific Ave, Telluride, CO 81435-1229.
- What is Diana Koelliker's phone number?
- The practice phone number listed in the NPPES registry for Diana Koelliker is (970) 728-3848.
- Does Diana Koelliker accept Medicare?
- Diana Koelliker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Koelliker's NPI active?
- Yes — Diana Koelliker's NPI (1871567883) is active in the NPPES registry as of the last update on 2015-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.