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Joseph Michael Knapp, DO

NPI 1154372084ActiveIndividual· Obstetrics & Gynecology· Newark, DE

Obstetrics & Gynecology (DO) in Newark, Delaware, trained at Philadelphia College of Osteopathic Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $13,427 for 168 claims, against $4,333 paid for services in 2024. Acella Pharmaceuticals, LLC was the largest of 4 companies reporting payments in 2025, $77.59 in all, mostly food and beverage.

Overview

NPI1154372084
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedMay 15, 2006
Last updated in NPPESJul 26, 2021
Certified by providerJul 26, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology Primary207V00000XH0057801MD

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 - Obstetrics/Gynecology (DE); Practitioner - Obstetrics/Gynecology (MD); Practitioner - Obstetrics/Gynecology (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients29
Services billed62 across 10 procedure codes
Paid by Medicare$4,333

Part D prescriptions in 2024

Prescriptions (claims)168 · 396 30-day fills
Patients52
Total drug cost$13,427
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolPhiladelphia College of Osteopathic Medicine
Graduation year1991
Medicare specialtyObstetrics/Gynecology

Medical groups

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$77.59 · 4 payments from 4 companies
  • 2024$29.27 · 2 payments from 2 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$77.59 · 4 payments

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

Other OB-GYNs in Newark

All 87 OB-GYNs in Newark · All OB-GYNs in Delaware