Quick answers
- Does Anne W. Estares accept Medicare assignment?
- Yes. Medicare's clinician data says Anne W. Estares 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.
- How many Medicare patients does Anne W. Estares see?
- In 2024, CMS data shows 98 Original Medicare patients and 101 services for Anne W. Estares. This counts Original Medicare only and measures volume, not quality.
- What is Anne W. Estares's NPI number?
- 1003053109. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Anne W. Estares, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 98 |
|---|---|
| Services billed to Medicare | 101 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for lens surgery (00142)68 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol63%
- High blood pressure60%
- Arthritis45%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%
- Ischemic heart disease24%
- Depression21%
Practice locations
Addresses where Anne W. Estares is enrolled with Medicare (CMS data updated October 2, 2026).
- 8000 E Maplewood Ave, Suite 200Greenwood Village, CO 80111 (303) 438‑3999
Group practices
Medicare enrollment lists Anne W. Estares as a member of this group (CMS data updated October 2, 2026).
- US Anesthesia Partners of Colorado Inc461 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Greenwood Village
Clinicians with the same Medicare primary specialty in Greenwood Village, CO — not a recommendation.
Other clinicians in US Anesthesia Partners of Colorado Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003053109 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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