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Gastroenterology

Jonathan B. Lamphier, MD

Works at hospitals in Littleton, NH · Plymouth, NH · New Hampshire

Summary

Jonathan B. Lamphier, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Littleton, NH and Plymouth, NH. NPI 1013984244. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jonathan B. Lamphier, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Boston University School Of MedicineMedical school
MaleGender (as listed)
Littleton Hospital AssociationGroup practice (+1 more)

Quick answers

Which hospitals does Jonathan B. Lamphier work at?
Medicare's official clinician data lists Jonathan B. Lamphier at 2 hospitals: Littleton Regional Healthcare and Speare Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan B. Lamphier see patients?
Medicare's clinician data lists 2 practice locations, including Plymouth, NH and Littleton, NH. Call before your visit to confirm the address.
What is Jonathan B. Lamphier's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Jonathan B. Lamphier accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan B. Lamphier accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jonathan B. Lamphier?
(603) 444-9000, as listed in official Medicare / NPI Registry data.
What is Jonathan B. Lamphier's NPI number?
1013984244. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan B. Lamphier works

Medicare's Facility Affiliation Data lists Jonathan B. Lamphier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jonathan B. Lamphier is enrolled with Medicare (CMS data updated 2026-10-02).

  • 16 Hospital RdPlymouth, NH 03264
  • 600 Saint Johnsbury RdLittleton, NH 03561 (603) 444‑9000

Group practices

Medicare enrollment lists Jonathan B. Lamphier as a member of these groups (CMS data updated 2026-10-02).

  • Littleton Hospital Association113 clinicians in the group
  • Speare Memorial Hospital49 clinicians in the group

Specialties

Find other Gastroenterology doctors in New Hampshire →

Other gastroenterologists in New Hampshire

Clinicians with the same Medicare primary specialty in New Hampshire — not a recommendation.

All gastroenterologists in New Hampshire →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013984244
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians