Kathryn P. Desrosiers, NP

NPI 1164103958ActiveIndividual· Family Medicine, Adult Medicine· Biddeford, ME

Family Medicine, Adult Medicine (NP) with Maine Geriatrics, practicing in Biddeford, Maine. Their prescriptions cost Medicare Part D more than their services did: $502,201 for 6,899 claims, against $13,734 paid for services in 2024. Lists York Hospital as a hospital affiliation.

Overview

NPI	1164103958
Status	Active
Entity type	Individual
Credential	NP
Sole proprietor	No
NPI issued	Jul 26, 2023
Last updated in NPPES	Jul 27, 2023
Certified by provider	Jul 27, 2023

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine, Adult Medicine Primary	207QA0505X	CNP231281	ME

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 - Nurse Practitioner (ME)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	85
Services billed	138 across 4 procedure codes
Paid by Medicare	$13,734

Part D prescriptions in 2024

Prescriptions (claims)	6,899 · 6,984 30-day fills
Patients	248
Total drug cost	$502,201
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Graduation year	2023
Medicare specialty	Nurse Practitioner

Medical group

Maine GeriatricsBiddeford, ME · 3 clinicians

Hospital affiliation

York HospitalYork, ME

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records