Quick answers
- Does Sydney N. Tracer accept Medicare assignment?
- Yes. Medicare's clinician data says Sydney N. Tracer 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 Sydney N. Tracer see?
- In 2024, CMS data shows 48 Original Medicare patients and 61 services for Sydney N. Tracer. This counts Original Medicare only and measures volume, not quality.
- What is Sydney N. Tracer's NPI number?
- 1881355766. 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 Sydney N. Tracer, 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 | 48 |
|---|---|
| Services billed to Medicare | 61 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
- Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope (43282)16 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 pressure67%
- Arthritis42%
- Anxiety35%
- COPD33%
- Diabetes29%
Hospitals where Sydney N. Tracer works
Medicare's Facility Affiliation Data lists Sydney N. Tracer 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.
- Northwest Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030085
Practice locations
Addresses where Sydney N. Tracer is enrolled with Medicare (CMS data updated October 2, 2026).
- 1551 E Tangerine RdOro Valley, AZ 85755 (520) 901‑3549
- 6130 N La Cholla BlvdTucson, AZ 85741
- 6200 N La Cholla BlvdTucson, AZ 85741 (520) 469‑8100
- 8333 N Silverbell Rd, Suite 161Tucson, AZ 85743 (520) 202‑7770
Group practices
Medicare enrollment lists Sydney N. Tracer as a member of this group (CMS data updated October 2, 2026).
- Northwest Allied Physicians LLC120 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Oro Valley
Clinicians with the same Medicare primary specialty in Oro Valley, AZ — not a recommendation.
Other clinicians in Northwest Allied Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881355766 |
| 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