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Gastroenterology

Kristin Macarthur, MD

Works at hospitals in New London, CT · New Haven, CT · Connecticut

Summary

Kristin Macarthur, MD (Gastroenterology) is listed by Medicare at 2 hospitals in New London, CT and New Haven, CT. NPI 1225357809. 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 Kristin Macarthur, 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
16Years since medical school (graduated 2010)
University Of Connecticut School Of MedicineMedical school
FemaleGender (as listed)
Rehabilitation Associates IncGroup practice (+1 more)

Quick answers

Which hospitals does Kristin Macarthur work at?
Medicare's official clinician data lists Kristin Macarthur at 2 hospitals: Lawrence & Memorial Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kristin Macarthur see patients?
Medicare's clinician data lists 2 practice locations, including Fairfield, CT and Branford, CT. Call before your visit to confirm the address.
What is Kristin Macarthur's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Kristin Macarthur accept Medicare assignment?
Yes. Medicare's clinician data says Kristin Macarthur 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 Kristin Macarthur?
(203) 384-8681, as listed in official Medicare / NPI Registry data.
What is Kristin Macarthur's NPI number?
1225357809. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kristin Macarthur works

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

Group practices

Medicare enrollment lists Kristin Macarthur as a member of these groups (CMS data updated 2026-10-02).

  • Rehabilitation Associates Inc529 clinicians in the group
  • Digestive Disease Associates LLC8 clinicians in the group

Specialties

Find other Gastroenterology doctors in Connecticut →

Other gastroenterologists in Fairfield

Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.

All gastroenterologists in Fairfield →

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225357809
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