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Physician Assistant

Hannah R. Duncan, PA

Works at hospitals in Tacoma, WA · Silverdale, WA · Washington

Summary

Hannah R. Duncan, PA is a physician assistant at 1344 Wintergreen Ln NE, Suite 100, Bainbridge Island, WA 98110. Phone: (206) 201-0488. Accepts Medicare assignment. In 2024, Hannah R. Duncan had 43 Original Medicare patients and 44 services. NPI 1487122008. 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 Hannah R. Duncan, 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 Hannah R. Duncan accept Medicare assignment?
Yes. Medicare's clinician data says Hannah R. Duncan 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 Hannah R. Duncan see?
In 2024, CMS data shows 43 Original Medicare patients and 44 services for Hannah R. Duncan. This counts Original Medicare only and measures volume, not quality.
What is Hannah R. Duncan's NPI number?
1487122008. 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 Hannah R. Duncan, 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 patients43
Services billed to Medicare44
Different services or procedures5
Participating Medicare providerYes
Average age of these patients72

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)29 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)12 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 pressure70%
  • High cholesterol60%
  • Arthritis37%

Hospitals where Hannah R. Duncan works

Medicare's Facility Affiliation Data lists Hannah R. Duncan 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 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

Practice locations

Addresses where Hannah R. Duncan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hannah R. Duncan as a member of this group (CMS data updated October 2, 2026).

  • Franciscan Medical Group1,421 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Washington →

Other physician assistants in Bainbridge Island

Clinicians with the same Medicare primary specialty in Bainbridge Island, WA — not a recommendation.

All physician assistants in Bainbridge Island →

Other clinicians in Franciscan Medical Group

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

Clinician information

CredentialPA
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487122008
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