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Physician Assistant

Kate A. Gagnon

Works at hospitals in Manchester, NH · New Hampshire

Summary

Kate A. Gagnon is a physician assistant at 1 Elliot Way, Manchester, NH 03103. Phone: (603) 627-1669. Accepts Medicare assignment. In 2024, Kate A. Gagnon had 218 Original Medicare patients and 441 services. NPI 1558839977. 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 Kate A. Gagnon, 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 Kate A. Gagnon accept Medicare assignment?
Yes. Medicare's clinician data says Kate A. Gagnon 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 Kate A. Gagnon see?
In 2024, CMS data shows 218 Original Medicare patients and 441 services for Kate A. Gagnon. This counts Original Medicare only and measures volume, not quality.
What is Kate A. Gagnon's NPI number?
1558839977. 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 Kate A. Gagnon, 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 patients218
Services billed to Medicare441
Different services or procedures14
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)176 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)76 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)61 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)44 services
  5. Telephone medical discussion with physician, 21-30 minutes (99443)23 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 pressure68%
  • Arthritis44%
  • Anxiety36%
  • Ischemic heart disease31%
  • Diabetes28%

Hospitals where Kate A. Gagnon works

Medicare's Facility Affiliation Data lists Kate A. Gagnon 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.

  • Catholic Medical CenterManchester, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300034
  • Elliot HospitalManchester, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300012

Practice locations

Addresses where Kate A. Gagnon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kate A. Gagnon as a member of this group (CMS data updated October 2, 2026).

  • Elliot Professional Services427 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New Hampshire →

Other physician assistants in Manchester

Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.

All physician assistants in Manchester →

Other clinicians in Elliot Professional Services

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

Clinician information

Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558839977
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