Quick answers
- Does Anastasia Duffey accept Medicare assignment?
- Yes. Medicare's clinician data says Anastasia Duffey 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 Anastasia Duffey see?
- In 2024, CMS data shows 106 Original Medicare patients and 106 services for Anastasia Duffey. This counts Original Medicare only and measures volume, not quality.
- What is Anastasia Duffey's NPI number?
- 1518663558. 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 Anastasia Duffey, 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 | 106 |
|---|---|
| Services billed to Medicare | 106 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)35 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)26 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)25 services
- Anesthesia for exam of colon using an endoscope (00812)13 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 cholesterol75%
- High blood pressure68%
- Arthritis42%
- Ischemic heart disease29%
- Anxiety26%
- Chronic kidney disease25%
Hospitals where Anastasia Duffey works
Medicare's Facility Affiliation Data lists Anastasia Duffey 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.
- Wilson N Jones Regional Medical CenterSherman, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450469
Practice locations
Addresses where Anastasia Duffey is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 N Highland AveSherman, TX 75092 (903) 328‑6245
- 6405 W Parker Rd, Suite 370Plano, TX 75093 (972) 473‑9292
- 8080 Independence Pkwy, Suite 160Plano, TX 75025 (972) 908‑3000
Group practices
Medicare enrollment lists Anastasia Duffey as a member of these groups (CMS data updated October 2, 2026).
- Endo Sedation LLC293 clinicians in the group
- Sherman Anesthesia Inc5 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in Sherman
Clinicians with the same Medicare primary specialty in Sherman, TX — not a recommendation.
Other clinicians in Endo Sedation LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | Florida State University College Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518663558 |
| 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
- 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