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Psychiatry

Susan M. Smiga, MD

Sees patients in Portsmouth, NH · New Hampshire

Summary

Dr. Susan M. Smiga, MD is a psychiatrist at 1145 Sagamore Ave, Portsmouth, NH 03801. Phone: (603) 431-6703. Accepts Medicare assignment. NPI 1740202209. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 1145 Sagamore Ave, Portsmouth, NH 03801 · Directions
  • Phone: (603) 431‑6703
  • Medicare: Accepts Medicare assignment
  • Group practice: Seacoast Mental Health Center Inc
  • Medical school: Stanford University School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Susan M. Smiga, 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 Susan M. Smiga accept Medicare assignment?
Yes. Medicare's clinician data says Susan M. Smiga 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 Susan M. Smiga's NPI number?
1740202209. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Susan M. Smiga is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Susan M. Smiga as a member of this group (CMS data updated October 2, 2026).

  • Seacoast Mental Health Center Inc45 clinicians in the group

Specialties

Find other Psychiatry doctors in New Hampshire →

Other psychiatrists in Portsmouth

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

All psychiatrists in Portsmouth →

Other clinicians in Seacoast Mental Health Center Inc

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

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740202209
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians