Kristen Eileen Farwell, M.D.

NPI 1629222336ActiveIndividual· Internal Medicine, Gastroenterology· Burlington, MA

Internal Medicine, Gastroenterology (M.D.) in Burlington, Massachusetts, trained at Tufts University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $2,240,462 for 951 claims, against $76,685 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $73.25 in all, mostly food and beverage.

Overview

NPI	1629222336
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Nov 7, 2008
Last updated in NPPES	Aug 25, 2015

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	248403	MA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (MA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	407
Services billed	790 across 38 procedure codes
Paid by Medicare	$76,685

Part D prescriptions in 2024

Prescriptions (claims)	951 · 1,730 30-day fills
Patients	181
Total drug cost	$2,240,462
Generic share	74% of claims

Medicare sources and data years

Education and affiliations

Medical school	Tufts University School of Medicine
Graduation year	2006
Medicare specialty	Internal Medicine
Secondary specialties	Gastroenterology
Telehealth	Offers telehealth