Skip to main content

Dr. Jonathan P. Dunker, D.O.

Orthopedic Surgery (Orthopaedic Surgery Physician)

  • Medicare participating

At a glance

Years since graduation
17
In the NPI registry since
2010
Medicare patients seen, 2024
93

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2010Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Orthopaedic Surgery Physician primary
    OH license 34.11250 · WI license 64269-21
  • Student in an Organized Health Care Education/Training Program

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Orthopedic Surgery per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
93
Services billed
3,942
Patients’ average age
72
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes6852
Established patient office or other outpatient visit, 20-29 minutes5833
Aspiration and/or injection of fluid from large joint3923
Injection, methylprednisolone acetate, 80 mg3018
New patient office or other outpatient visit, 45-59 minutes2828

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 2 companies reported 31 payments worth $4,838 in total to this clinician.

By company
Arthrex, Inc.$3,379
True North Surgical Inc$1,459
By type
Travel and Lodging$3,536
Food and Beverage$1,302

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Nov 25, 2025Arthrex, Inc.
Nov 25, 2025
Travel and Lodging
travel to Naples, FL · in-kind
$763
Apr 16, 2025Arthrex, Inc.
Apr 16, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionAccomodation - Event Day 1
$438
Apr 17, 2025Arthrex, Inc.
Apr 17, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionAccomodation - Event Day 2
$438
Apr 25, 2025True North Surgical Inc
Apr 25, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionTransfer of value related to products manufactured by Arthrex
$438
Mar 19, 2025True North Surgical Inc
Mar 19, 2025
Travel and Lodging
travel to Green Bay, WI · in-kind
Company’s descriptionTransfer of value related to products manufactured by Arthrex
$433
Feb 12, 2025Arthrex, Inc.
Feb 12, 2025
Travel and Lodging
travel to Naples, FL · in-kind
$423
Feb 12, 2025Arthrex, Inc.
Feb 12, 2025
Travel and Lodging
travel to Naples, FL · in-kind
$423
Jan 16, 2025Arthrex, Inc.
Jan 16, 2025
Travel and Lodging
travel to NAPLES, FL · in-kind
$46.16
Jan 29, 2025Arthrex, Inc.
Jan 29, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionGround Transportation - Event Day 2
$46.16
Jan 17, 2025Arthrex, Inc.
Jan 17, 2025
Travel and Lodging
travel to NAPLES, FL · in-kind
$43.87
All 11 payments other than meals, newest first
All payments other than meals
DateCompanyWhat it was forAmount
Nov 25, 2025Arthrex, Inc.
Nov 25, 2025
Travel and Lodging
travel to Naples, FL · in-kind
$763
Apr 25, 2025True North Surgical Inc
Apr 25, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionTransfer of value related to products manufactured by Arthrex
$438
Apr 17, 2025Arthrex, Inc.
Apr 17, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionAccomodation - Event Day 2
$438
Apr 16, 2025Arthrex, Inc.
Apr 16, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionAccomodation - Event Day 1
$438
Mar 19, 2025True North Surgical Inc
Mar 19, 2025
Travel and Lodging
travel to Green Bay, WI · in-kind
Company’s descriptionTransfer of value related to products manufactured by Arthrex
$433
Feb 12, 2025Arthrex, Inc.
Feb 12, 2025
Travel and Lodging
travel to Naples, FL · in-kind
$423
Feb 12, 2025Arthrex, Inc.
Feb 12, 2025
Travel and Lodging
travel to Naples, FL · in-kind
$423
Jan 29, 2025Arthrex, Inc.
Jan 29, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionGround Transportation - Event Day 2
$46.16
Jan 29, 2025Arthrex, Inc.
Jan 29, 2025
Travel and Lodging
travel to Naples, FL · in-kind
Company’s descriptionGround Transportation - Event Day 1
$43.87
Jan 17, 2025Arthrex, Inc.
Jan 17, 2025
Travel and Lodging
travel to NAPLES, FL · in-kind
$43.87
Jan 16, 2025Arthrex, Inc.
Jan 16, 2025
Travel and Lodging
travel to NAPLES, FL · in-kind
$46.16

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Wisconsin →

Other Orthopedic Surgery clinicians in Green Bay

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 4, 2015), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1144543299. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.