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General Surgery

Kirk Sahagian, DO

Works at hospitals in Portland, ME · Maine

Summary

Dr. Kirk Sahagian, DO is a general surgeon at 1 Medical Ctr Dr, Biddeford, ME 04005. Accepts Medicare assignment. In 2024, Kirk Sahagian had 58 Original Medicare patients and 107 services. NPI 1255375937. 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: General surgeon (Medicare lists General Surgery)
  • Address: 1 Medical Ctr Dr, Biddeford, ME 04005 · Directions (2 more locations)
  • Medicare: Accepts Medicare assignment
  • Hospital: MaineHealth Maine Medical Center
  • Group practice: MaineHealth
  • Medical school: graduated 2002 (24 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kirk Sahagian, 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 Kirk Sahagian accept Medicare assignment?
Yes. Medicare's clinician data says Kirk Sahagian 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 Kirk Sahagian see?
In 2024, CMS data shows 58 Original Medicare patients and 107 services for Kirk Sahagian. This counts Original Medicare only and measures volume, not quality.
What is Kirk Sahagian's NPI number?
1255375937. 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 Kirk Sahagian, 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 patients58
Services billed to Medicare107
Different services or procedures21
Participating Medicare providerYes
Average age of these patients60

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)24 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 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 pressure74%
  • Anxiety71%
  • Depression66%
  • High cholesterol60%
  • Arthritis50%
  • Diabetes41%

Hospitals where Kirk Sahagian works

Medicare's Facility Affiliation Data lists Kirk Sahagian 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 Kirk Sahagian is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1 Medical Ctr DrBiddeford, ME 04005
  • 22 Bramhall StPortland, ME 04102
  • 41 Donald B Dean DrSouth Portland, ME 04106

Group practices

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

  • MaineHealth2,633 clinicians in the group

Specialties

Find other General Surgery doctors in Maine →

Other general surgeons in Biddeford

Clinicians with the same Medicare primary specialty in Biddeford, ME — not a recommendation.

All general surgeons in Biddeford →

Other clinicians in MaineHealth

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

Clinician information

CredentialDO
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255375937
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