Sara Barmettler, MD

NPI 1689949935ActiveIndividual· Internal Medicine, Allergy & Immunology· Boston, MA

Internal Medicine, Allergy & Immunology (MD) in Boston, Massachusetts, trained at University of Massachusetts Medical School (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $260,578 for 191 claims, against $12,282 paid for services in 2024. Csl Behring was the largest of 3 companies reporting payments in 2025, $17,418 in all, mostly consulting fees.

Overview

NPI	1689949935
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	Yes
NPI issued	Mar 20, 2012
Last updated in NPPES	Jan 13, 2017

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Allergy & Immunology Primary	207RA0201X	267241	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 - Allergy/Immunology (MA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	85
Services billed	347 across 20 procedure codes
Paid by Medicare	$12,282

Part D prescriptions in 2024

Prescriptions (claims)	191 · 315 30-day fills
Patients	53
Total drug cost	$260,578
Generic share	59% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Massachusetts Medical School
Graduation year	2012
Medicare specialty	Allergy/Immunology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth