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Anesthesiology

Steven Tourangeau, MD

Works at hospitals in Nashua, NH · New Hampshire

Summary

Dr. Steven Tourangeau, MD is an anesthesiologist at 172 Kinsley St, Nashua, NH 03060. Phone: (603) 882-3000. Accepts Medicare assignment. In 2024, Steven Tourangeau had 136 Original Medicare patients and 138 services. NPI 1851335632. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 172 Kinsley St, Nashua, NH 03060 · Directions (2 more locations)
  • Phone: (603) 882‑3000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Southern NH Medical Center, St Joseph Hospital
  • Group practice: Dartmouth-Hitchcock Clinic (+2 more)
  • Medical school: graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven Tourangeau, 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 Steven Tourangeau accept Medicare assignment?
Yes. Medicare's clinician data says Steven Tourangeau 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 Steven Tourangeau see?
In 2024, CMS data shows 136 Original Medicare patients and 138 services for Steven Tourangeau. This counts Original Medicare only and measures volume, not quality.
What is Steven Tourangeau's NPI number?
1851335632. 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 Steven Tourangeau, 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 patients136
Services billed to Medicare138
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)58 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)27 services
  3. Anesthesia for exam of colon using an endoscope (00812)19 services
  4. Anesthesia for procedure on small and large bowel using an endoscope (00813)13 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 pressure65%
  • Arthritis40%
  • Diabetes32%
  • Ischemic heart disease27%
  • Anxiety27%

Hospitals where Steven Tourangeau works

Medicare's Facility Affiliation Data lists Steven Tourangeau 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.

  • Southern NH Medical CenterNashua, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300020
  • St Joseph HospitalNashua, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300011

Practice locations

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

Group practices

Medicare enrollment lists Steven Tourangeau as a member of these groups (CMS data updated October 2, 2026).

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group
  • Amoskeag Anesthesia PLLC166 clinicians in the group
  • Hospitalist Medicine Physicians of New York - Patchogue PC43 clinicians in the group

Specialties

Find other Anesthesiology doctors in New Hampshire →

Other anesthesiologists in Nashua

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

All anesthesiologists in Nashua →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851335632
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