Quick answers
- Does Sarah L. Rooney accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah L. Rooney 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 Sarah L. Rooney see?
- In 2024, CMS data shows 935 Original Medicare patients and 1,943 services for Sarah L. Rooney. This counts Original Medicare only and measures volume, not quality.
- What is Sarah L. Rooney's NPI number?
- 1649690124. 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 Sarah L. Rooney, 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 | 935 |
|---|---|
| Services billed to Medicare | 1,943 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Protein measurement, serum (84165)508 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)419 services
- Immunologic analysis technique on serum (immunofixation) (86334)290 services
- Protein measurement, body fluid (84166)128 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)111 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 blood pressure75%
- High cholesterol75%
- Arthritis51%
- Chronic kidney disease39%
- Diabetes33%
- Ischemic heart disease31%
Hospitals where Sarah L. Rooney works
Medicare's Facility Affiliation Data lists Sarah L. Rooney 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.
- St Anthony HospitalGig Harbor, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500151
- St Francis Community HospitalFederal Way, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500141
- St Joseph Medical CenterTacoma, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500108
- St Michael Medical CenterSilverdale, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500039
- Tacoma General Allenmore HospitalTacoma, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500129
Practice locations
Addresses where Sarah L. Rooney is enrolled with Medicare (CMS data updated October 2, 2026).
- 202 N Division StAuburn, WA 98001 (253) 545‑2440
- 315 Martin Luther King Jr Way, Ms 315 P4 LabTacoma, WA 98405 (253) 403‑4573
Group practices
Medicare enrollment lists Sarah L. Rooney as a member of this group (CMS data updated October 2, 2026).
- Cellnetix Pathology PLLC59 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Other clinicians in Cellnetix Pathology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649690124 |
| 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