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Physician Assistant

Madison Dourdoufis, PA

Works at hospitals in Portsmouth, NH · New Hampshire

Summary

Madison Dourdoufis, PA is a physician assistant at 333 Borthwick Ave, Portsmouth, NH 03801. Phone: (603) 436-5110. Accepts Medicare assignment. In 2024, Madison Dourdoufis had 96 Original Medicare patients and 106 services. NPI 1174353270. 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.

  • Specialty: Physician assistant
  • Address: 333 Borthwick Ave, Portsmouth, NH 03801 · Directions
  • Phone: (603) 436‑5110
  • Medicare: Accepts Medicare assignment
  • Hospital: Portsmouth Regional Hospital
  • Group practice: Appledore Medical Group Inc
  • School: graduated 2024
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Madison Dourdoufis, 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 Madison Dourdoufis accept Medicare assignment?
Yes. Medicare's clinician data says Madison Dourdoufis 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 Madison Dourdoufis see?
In 2024, CMS data shows 96 Original Medicare patients and 106 services for Madison Dourdoufis. This counts Original Medicare only and measures volume, not quality.
What is Madison Dourdoufis's NPI number?
1174353270. 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 Madison Dourdoufis, 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 patients96
Services billed to Medicare106
Different services or procedures7
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)49 services
  2. Emergency department visit with moderate level of medical decision making (99284)46 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 cholesterol72%
  • Arthritis50%
  • Anxiety46%
  • Depression32%
  • Chronic kidney disease30%

Hospitals where Madison Dourdoufis works

Medicare's Facility Affiliation Data lists Madison Dourdoufis 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.

  • Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300029

Practice locations

Addresses where Madison Dourdoufis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Madison Dourdoufis as a member of this group (CMS data updated October 2, 2026).

  • Appledore Medical Group Inc196 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New Hampshire →

Other physician assistants in Portsmouth

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

All physician assistants in Portsmouth →

Other clinicians in Appledore Medical Group Inc

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

Clinician information

CredentialPA
Graduation year2024
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174353270
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