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Vascular Surgery

Michael Southworth, MD

Works at hospitals in Dover, NH · New Hampshire

Summary

Dr. Michael Southworth, MD is a vascular surgeon at 789 Central Ave, Dover, NH 03820. Accepts Medicare assignment. NPI 1306822481. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 789 Central Ave, Dover, NH 03820 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Wentworth-Douglass Hospital
  • Group practice: Wentworth Douglass Physician Corporation
  • Medical school: Boston University School Of Medicine · graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Southworth, 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 Michael Southworth accept Medicare assignment?
Yes. Medicare's clinician data says Michael Southworth 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.
What is Michael Southworth's NPI number?
1306822481. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Southworth works

Medicare's Facility Affiliation Data lists Michael Southworth 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.

  • Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300018

Practice locations

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

  • 789 Central AveDover, NH 03820

Group practices

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

  • Wentworth Douglass Physician Corporation429 clinicians in the group

Specialties

Find other Vascular Surgery doctors in New Hampshire →

Other vascular surgeons in Dover

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

All vascular surgeons in Dover →

Other clinicians in Wentworth Douglass Physician Corporation

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

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306822481
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians