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Anesthesiology

Rebecca Spencer, MD

Works at hospitals in Concord, NH · Laconia, NH · New Hampshire

Summary

Dr. Rebecca Spencer, MD is an anesthesiologist at 250 Pleasant St, Concord, NH 03301. Phone: (603) 230-3138. Accepts Medicare assignment. In 2024, Rebecca Spencer had 149 Original Medicare patients and 161 services. NPI 1952627481. 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: 250 Pleasant St, Concord, NH 03301 · Directions
  • Phone: (603) 230‑3138
  • Medicare: Accepts Medicare assignment
  • Hospitals: Concord Hospital, Concord Hospital- Laconia
  • Group practice: Concord Hospital Inc
  • Medical school: Harvard Medical School · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rebecca Spencer, 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 Rebecca Spencer accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca Spencer 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 Rebecca Spencer see?
In 2024, CMS data shows 149 Original Medicare patients and 161 services for Rebecca Spencer. This counts Original Medicare only and measures volume, not quality.
What is Rebecca Spencer's NPI number?
1952627481. 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 Rebecca Spencer, 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 patients149
Services billed to Medicare161
Different services or procedures56
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Anesthesia for electroshock therapy (00104)19 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 pressure70%
  • High cholesterol70%
  • Arthritis37%
  • Atrial fibrillation36%
  • Ischemic heart disease34%
  • Anxiety34%

Hospitals where Rebecca Spencer works

Medicare's Facility Affiliation Data lists Rebecca Spencer 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.

  • Concord HospitalConcord, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 300001
  • Concord Hospital- LaconiaLaconia, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300005

Practice locations

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

Group practices

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

  • Concord Hospital Inc567 clinicians in the group

Specialties

Find other Anesthesiology doctors in New Hampshire →

Other anesthesiologists in Concord

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

All anesthesiologists in Concord →

Other clinicians in Concord Hospital Inc

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

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952627481
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