Skip to content

Gary M. Warstadt, MD

NPI 1639155013ActiveIndividual· Psychiatry & Neurology, Psychiatry· Randolph, MA

Psychiatry & Neurology, Psychiatry (MD) in Randolph, Massachusetts, trained at Boston University School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $41,406 for 171 claims, against $25,745 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 11 companies reporting payments in 2025, $712.90 in all, mostly food and beverage.

Overview

NPI1639155013
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedDec 19, 2005
Last updated in NPPESJul 12, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Psychiatry Primary2084P0800X57569MA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Psychiatry (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients25
Services billed227 across 11 procedure codes
Paid by Medicare$25,745

Part D prescriptions in 2024

Prescriptions (claims)171 · 366 30-day fills
Patients30
Total drug cost$41,406
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBoston University School of Medicine
Graduation year1983
Medicare specialtyPsychiatry
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$712.90 · 35 payments from 11 companies
  • 2024$773.32 · 40 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$712.90 · 35 payments

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

Other Psychiatry & Neurology, Psychiatry providers in Randolph

All Psychiatry & Neurology, Psychiatry providers in Massachusetts →