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Physician Assistant

Amanda C. Marsiglia, PA

Works at hospitals in Portland, OR · Oregon

Summary

Amanda C. Marsiglia, PA is a physician assistant at 1130 NW 22nd Ave, Suite 220, Portland, OR 97210. Phone: (503) 413-8988. Accepts Medicare assignment. In 2024, Amanda C. Marsiglia had 151 Original Medicare patients and 242 services. NPI 1649790221. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Amanda C. Marsiglia, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Amanda C. Marsiglia accept Medicare assignment?
Yes. Medicare's clinician data says Amanda C. Marsiglia 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 Amanda C. Marsiglia see?
In 2024, CMS data shows 151 Original Medicare patients and 242 services for Amanda C. Marsiglia. This counts Original Medicare only and measures volume, not quality.
What is Amanda C. Marsiglia's NPI number?
1649790221. 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 Amanda C. Marsiglia, 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 patients151
Services billed to Medicare242
Different services or procedures18
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)84 services
  2. Removal of impacted ear wax (69210)42 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)26 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)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 cholesterol64%
  • High blood pressure60%
  • Arthritis51%
  • Anxiety23%
  • Osteoporosis23%
  • Ischemic heart disease21%

Hospitals where Amanda C. Marsiglia works

Medicare's Facility Affiliation Data lists Amanda C. Marsiglia 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.

Practice locations

Addresses where Amanda C. Marsiglia is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amanda C. Marsiglia as a member of this group (CMS data updated October 2, 2026).

  • Legacy Clinics LLC713 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Oregon →

Other physician assistants in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

All physician assistants in Portland →

Other clinicians in Legacy Clinics LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
SchoolBaylor College Of Medicine
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649790221
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians