Skip to content

Jan Slezak, MD

NPI 1750357307ActiveIndividual· Pain Medicine, Interventional Pain Medicine· Barrington, NH

Pain Medicine, Interventional Pain Medicine (MD) with Northeast Medical Consultants PC, practicing in Barrington, New Hampshire. 427 Medicare patients in 2024, $109,211 paid; nearly all of their 330 Part D prescriptions were generic (99%). Pacira Pharmaceuticals Incorporated was the largest of 3 companies reporting payments in 2025, $294.96 in all, mostly food and beverage. Lists Concord Hospital- Laconia and 2 other hospitals as hospital affiliations.

Overview

NPI1750357307
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 24, 2006
Last updated in NPPESJan 10, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Pain Medicine, Interventional Pain Medicine Primary208VP0014X10063NH

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Anesthesiology (NH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients427
Services billed2,159 across 48 procedure codes
Paid by Medicare$109,211

Part D prescriptions in 2024

Prescriptions (claims)330 · 393 30-day fills
Patients123
Total drug cost$5,742
Generic share99% of claims

Medicare sources and data years

Education and affiliations

Graduation year1986
Medicare specialtyAnesthesiology
Secondary specialtiesPain Management

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$294.96 · 4 payments from 3 companies
  • 2024$843.53 · 8 payments from 7 companies

Top paying companies in 2025

CompanyAmountPayments
Pacira Pharmaceuticals Incorporated$153.362
Skeletal Dynamics Inc$106.561
Djo, LLC$35.041

What the 2025 payments were for

  • Food and Beverage$294.96 · 4 payments

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

Other Pain Medicine, Interventional Pain Medicine providers in Barrington

All Pain Medicine, Interventional Pain Medicine providers in New Hampshire →