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Gastroenterology

Frank V. Linn, MD

Works at hospitals in W Concord, MA · Massachusetts

Summary

Frank V. Linn, MD (Gastroenterology) is listed by Medicare at 1 hospital in W Concord, MA. NPI 1639250327. 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 Frank V. Linn, 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
43Years since medical school (graduated 1983)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Middlesex Gastroenterolgy PCGroup practice

Quick answers

Which hospitals does Frank V. Linn work at?
Medicare's official clinician data lists Frank V. Linn at 1 hospital: Emerson Hospital -. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Frank V. Linn see patients?
Medicare's clinician data lists 1 practice location in Acton, MA. Call before your visit to confirm the address.
What is Frank V. Linn's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Frank V. Linn accept Medicare assignment?
Yes. Medicare's clinician data says Frank V. Linn 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 Frank V. Linn?
(978) 429-2010, as listed in official Medicare / NPI Registry data.
What is Frank V. Linn's NPI number?
1639250327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Frank V. Linn works

Medicare's Facility Affiliation Data lists Frank V. Linn 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 Frank V. Linn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Frank V. Linn as a member of this group (CMS data updated 2026-10-02).

  • Middlesex Gastroenterolgy PC11 clinicians in the group

Specialties

Find other Gastroenterology doctors in Massachusetts →

Other gastroenterologists in Acton

Clinicians with the same Medicare primary specialty in Acton, MA — not a recommendation.

All gastroenterologists in Acton →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639250327
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