Quick answers
- Does Lyza J. Anderson accept Medicare assignment?
- Yes. Medicare's clinician data says Lyza J. Anderson 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 Lyza J. Anderson see?
- In 2024, CMS data shows 220 Original Medicare patients and 223 services for Lyza J. Anderson. This counts Original Medicare only and measures volume, not quality.
- What is Lyza J. Anderson's NPI number?
- 1861613119. 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 Lyza J. Anderson, 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 | 220 |
|---|---|
| Services billed to Medicare | 223 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for exam of colon using an endoscope (00812)60 services
- Anesthesia for lens surgery (00142)37 services
- Anesthesia for procedure on eyelid (00103)36 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)24 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)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 cholesterol69%
- High blood pressure63%
- Arthritis44%
- Depression20%
- Anxiety19%
- Atrial fibrillation18%
Hospitals where Lyza J. Anderson works
Medicare's Facility Affiliation Data lists Lyza J. Anderson 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.
- Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380004
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380038
Practice locations
Addresses where Lyza J. Anderson is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1001 N Providence DrNewberg, OR 97132 (503) 537‑1555
- 1111 NE 99th Ave, Suite 302Portland, OR 97220 (503) 963‑2707
- 1500 Division StOregon City, OR 97045 (503) 656‑1631
- 1775 Thompson RdCoos Bay, OR 97420 (541) 269‑8280
- 9205 SW Barnes RdPortland, OR 97225 (503) 216‑1234
Group practices
Medicare enrollment lists Lyza J. Anderson as a member of these groups (CMS data updated October 2, 2026).
- Hospitalist Medicine Physicians of Washington - TCS194 clinicians in the group
- Bay Area Hospital District122 clinicians in the group
- Metropolitan Anesthesia LLC33 clinicians in the group
- Premier Anesthesia of Oregon PC33 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Oregon →
Other nurse anesthetists in Newberg
Clinicians with the same Medicare primary specialty in Newberg, OR — not a recommendation.
Other clinicians in Hospitalist Medicine Physicians of Washington - TCS
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | Medical College Of Georgia School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861613119 |
| 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