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John C. Clohisy, MD

NPI 1972521516ActiveIndividual· Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery· Saint Louis, MO

Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery (MD) in Saint Louis, Missouri, trained at Northwestern University Feinberg Medical School (class of 1989). 252 Medicare patients in 2024, $129,958 paid; nearly all of their 374 Part D prescriptions were generic (94%). Encore Medical, LP was the largest of 8 companies reporting payments in 2025, $12,518 in all, mostly consulting fees.

Overview

NPI1972521516
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 18, 2006
Last updated in NPPESApr 17, 2025

Specialties and licenses

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 - Orthopedic Surgery (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients252
Services billed591 across 20 procedure codes
Paid by Medicare$129,958

Part D prescriptions in 2024

Prescriptions (claims)374 · 404 30-day fills
Patients255
Total drug cost$14,552
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNorthwestern University Feinberg Medical School
Graduation year1989
Medicare specialtyOrthopedic Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$12,518 · 19 payments from 8 companies
  • 2024$90,145 · 29 payments from 9 companies

Top paying companies in 2025

CompanyAmountPayments
Encore Medical, LP$11,49010
Alphatec Spine, Inc$323.542
Si-Bone, Inc.$175.212
Cerapedics Inc.$155.701
Depuy Synthes Sales Inc.$140.111

What the 2025 payments were for

  • Consulting Fee$11,490 · 10 payments
  • Food and Beverage$935.15 · 8 payments
  • Travel and Lodging$93.31 · 1 payment

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

Other Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery providers in Saint Louis

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