Quick answers
- Does Ana Cecilia Siller accept Medicare assignment?
- Yes. Medicare's clinician data says Ana Cecilia Siller accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ana Cecilia Siller's NPI number?
- 1932927225. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ana Cecilia Siller works
Medicare's Facility Affiliation Data lists Ana Cecilia Siller at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Regional Medical CenterDurango, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060013
- Southwest Memorial HospitalCortez, CO · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 061327
Practice locations
Addresses where Ana Cecilia Siller is enrolled with Medicare (CMS data updated October 2, 2026).
- 150 Mercury Village DrDurango, CO 81301 (970) 335‑2422
- 691 E Empire StCortez, CO 81321 (970) 565‑7946
Group practices
Medicare enrollment lists Ana Cecilia Siller as a member of this group (CMS data updated October 2, 2026).
- Southwest Colorado Mental Health Center Inc73 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Durango
Clinicians with the same Medicare primary specialty in Durango, CO — not a recommendation.
Other clinicians in Southwest Colorado Mental Health Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | University Of Colorado School Of Medicine, Aurora |
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932927225 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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