Mary Jo S. Farmer, MD PHD

NPI 1942296108ActiveIndividual· Internal Medicine, Pulmonary Disease· Springfield, MA

Internal Medicine, Pulmonary Disease (MD PHD) in Springfield, Massachusetts, trained at Tufts University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $841,277 for 494 claims, against $24,962 paid for services in 2024. Actelion Pharmaceuticals US, Inc. was the largest of 3 companies reporting payments in 2024, $591.04 in all, mostly food and beverage.

Overview

NPI	1942296108
Status	Active
Entity type	Individual
Credential	MD PHD
Sole proprietor	No
NPI issued	Sep 23, 2005
Last updated in NPPES	Jan 12, 2018

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	206728	MA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 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	193
Services billed	321 across 32 procedure codes
Paid by Medicare	$24,962

Part D prescriptions in 2024

Prescriptions (claims)	494 · 638 30-day fills
Patients	91
Total drug cost	$841,277
Generic share	39% of claims

Medicare sources and data years

Education and affiliations

Medical school	Tufts University School of Medicine
Graduation year	1998
Medicare specialty	Internal Medicine
Secondary specialties	Critical Care (Intensivists), Pulmonary Disease
Telehealth	Offers telehealth