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John C. Kollar, DO

NPI 1841227352ActiveIndividual· Surgery· Saddle Brook, NJ

Surgery (DO) in Saddle Brook, New Jersey, trained at Rowan University School of Osteopathic Medicine (class of 1987). In 2024 Medicare paid $47,936 for 63 patients, and Part D covered 100 of their prescriptions, 85% of them generic. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $6,244 in all, mostly education.

Overview

NPI1841227352
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedJun 28, 2006
Last updated in NPPESJan 27, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XMB52216NJ

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)Enrolled Practitioner - General Surgery (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients63
Services billed177 across 51 procedure codes
Paid by Medicare$47,936

Part D prescriptions in 2024

Prescriptions (claims)100 · 175 30-day fills
Patients22
Total drug cost$7,230
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolRowan University School of Osteopathic Medicine
Graduation year1987
Medicare specialtyGeneral Surgery

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$6,244 · 16 payments from 2 companies
  • 2024$44.70 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Intuitive Surgical, Inc.$6,22515
Becton, Dickinson and Company$18.171

What the 2025 payments were for

  • Education$4,379 · 3 payments
  • Travel and Lodging$1,337 · 8 payments
  • Food and Beverage$527.08 · 5 payments

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

Other general surgeons in Saddle Brook

All general surgeons in New Jersey