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Gregory A. Toback, D.M.D.,M.S.

NPI 1275590150ActiveIndividual· Dentist, Periodontics· New London, CT

Dentist, Periodontics (D.M.D.,M.S.) in New London, Connecticut, licensed in CT and RI, with an NPI issued in April 2006. Part D covered 471 prescriptions written in 2024, 92% of them generic. Keystone Dental Inc. was the largest of 2 companies reporting payments in 2025, $2,222 in all, mostly entertainment.

Overview

NPI1275590150
StatusActive
Entity typeIndividual
CredentialD.M.D.,M.S.
Sole proprietorNo
NPI issuedApr 26, 2006
Last updated in NPPESJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Dentist, Periodontics Primary1223P0300X8455CT
Dentist, Periodontics1223P0300X2628RI

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Not in the public enrollment file of Oct 1, 2026

Part D prescriptions in 2024

Prescriptions (claims)471 · 497 30-day fills
Patients241
Total drug cost$2,195
Generic share92% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$2,222 · 19 payments from 2 companies
  • 2024$479.07 · 8 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Keystone Dental Inc.$2,14618
Geistlich Pharma, North America, Inc.$76.011

What the 2025 payments were for

  • Entertainment$2,146 · 18 payments
  • Food and Beverage$76.01 · 1 payment

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

Other periodontists in New London

All periodontists in Connecticut