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Internal Medicine

Rebecca A. Swenson, MD

Works at hospitals in Lebanon, NH · New Hampshire

Summary

Dr. Rebecca A. Swenson, MD is an internal medicine doctor at 1 Medical Ctr Dr, Lebanon, NH 03756. Phone: (603) 650-5000. Accepts Medicare assignment. In 2024, Rebecca A. Swenson had 92 Original Medicare patients and 304 services. NPI 1861668675. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1 Medical Ctr Dr, Lebanon, NH 03756 · Directions (1 more location)
  • Phone: (603) 650‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mary Hitchcock Memorial Hospital
  • Group practice: Dartmouth-Hitchcock Clinic
  • Medical school: Geisel School Of Medicine At Dartmouth · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rebecca A. Swenson, 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 A. Swenson accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca A. Swenson 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 A. Swenson see?
In 2024, CMS data shows 92 Original Medicare patients and 304 services for Rebecca A. Swenson. This counts Original Medicare only and measures volume, not quality.
What is Rebecca A. Swenson's NPI number?
1861668675. 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 A. Swenson, 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 patients92
Services billed to Medicare304
Different services or procedures7
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)191 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)45 services
  3. Hospital discharge day management, more than 30 minutes (99239)43 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)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 blood pressure75%
  • High cholesterol68%
  • Arthritis53%
  • Anxiety45%
  • Atrial fibrillation43%
  • Heart failure39%

Hospitals where Rebecca A. Swenson works

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

Group practices

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

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Hampshire →

Other internal medicine doctors in Lebanon

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

All internal medicine doctors in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861668675
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