Quick answers
- Does Tricia M. Nielsen accept Medicare assignment?
- Yes. Medicare's clinician data says Tricia M. Nielsen 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 Tricia M. Nielsen see?
- In 2024, CMS data shows 248 Original Medicare patients and 267 services for Tricia M. Nielsen. This counts Original Medicare only and measures volume, not quality.
- What is Tricia M. Nielsen's NPI number?
- 1164082038. 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 Tricia M. Nielsen, 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 | 248 |
|---|---|
| Services billed to Medicare | 267 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for procedure on eyelid (00103)54 services
- Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)43 services
- Anesthesia for lens surgery (00142)34 services
- Anesthesia for exam of colon using an endoscope (00812)13 services
- Anesthesia for nerve destruction procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance (01939)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%
- Arthritis73%
- High blood pressure69%
- Anxiety33%
- Depression31%
- Chronic kidney disease30%
Practice locations
Addresses where Tricia M. Nielsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 E McDowell RdPhoenix, AZ 85006 (602) 839‑5097
- 22455 N Miller Rd, Suite B100Scottsdale, AZ 85255 (480) 435‑9100
Group practices
Medicare enrollment lists Tricia M. Nielsen as a member of this group (CMS data updated October 2, 2026).
- Vascular and Interventional Partners PLLC25 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Arizona →
Other nurse anesthetists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in Vascular and Interventional Partners PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | University Of Arizona College Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164082038 |
| 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