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Dr. Michael P. Ransone, MD

Orthopedic Surgery (Orthopaedic Surgery Physician)

  • Medicare participating

At a glance

Years since graduation
11
In the NPI registry since
2015
Medicare patients seen, 2024
486

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

  • 2015Registered 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
    NC license 2021-01666

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
486
Services billed
5,674
Patients’ average age
75
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg2,752186
Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg62411
Established patient office or other outpatient visit, 30-39 minutes554392
Aspiration and/or injection of fluid from large joint310204
Established patient office or other outpatient visit, 20-29 minutes232190
X-ray of knee, 4 or more views182143
X-ray of hip, 2-3 views131115
X-ray of knee, 3 views8056
New patient office or other outpatient visit, 45-59 minutes6161
Replacement of knee joint, both sides of knee2828

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 41 payments worth $48,865 in total to this clinician.

By type
Consulting Fee$43,650
Travel and Lodging$3,898
Food and Beverage$1,316

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Aug 28, 2025Medacta USA, Inc.
Aug 28, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$18,675
Apr 18, 2025Medacta USA, Inc.
Apr 18, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$9,500
May 1, 2025Medacta USA, Inc.
May 1, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$9,100
Nov 13, 2025Medacta USA, Inc.
Nov 13, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$6,375
Jan 30, 2025Medacta USA, Inc.
Jan 30, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Tampa, FL
$747
Jun 13, 2025Medacta USA, Inc.
Jun 13, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Houston, TX
$515
Apr 28, 2025Medacta USA, Inc.
Apr 28, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Atlanta, GA
$429
Apr 16, 2025Medacta USA, Inc.
Apr 16, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$407
Sep 17, 2025Medacta USA, Inc.
Sep 17, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Houston, TX
$318
Feb 22, 2025Medacta USA, Inc.
Feb 22, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Tampa, FL
$289
All 20 payments other than meals, newest first
All payments other than meals
DateCompanyWhat it was forAmount
Nov 13, 2025Medacta USA, Inc.
Nov 13, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$6,375
Sep 17, 2025Medacta USA, Inc.
Sep 17, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Houston, TX
$318
Aug 28, 2025Medacta USA, Inc.
Aug 28, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$18,675
Jun 21, 2025Medacta USA, Inc.
Jun 21, 2025
Travel and Lodging
GMK Revision · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$22.59
Jun 20, 2025Medacta USA, Inc.
Jun 20, 2025
Travel and Lodging
SPHERIKA · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$188
Jun 20, 2025Medacta USA, Inc.
Jun 20, 2025
Travel and Lodging
SPHERIKA · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$177
Jun 13, 2025Medacta USA, Inc.
Jun 13, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Houston, TX
$515
Jun 13, 2025Medacta USA, Inc.
Jun 13, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$93.51
Jun 13, 2025Medacta USA, Inc.
Jun 13, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Houston, TX
$93.51
May 17, 2025Medacta USA, Inc.
May 17, 2025
Travel and Lodging
AMIStem · Orthopedics/Orthopedic Surgery · travel to Atlanta, GA
$196
May 17, 2025Medacta USA, Inc.
May 17, 2025
Travel and Lodging
AMIStem · Orthopedics/Orthopedic Surgery · travel to Atlanta, GA
$166
May 1, 2025Medacta USA, Inc.
May 1, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$9,100
Apr 28, 2025Medacta USA, Inc.
Apr 28, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Atlanta, GA
$429
Apr 18, 2025Medacta USA, Inc.
Apr 18, 2025
Consulting Fee
GMK Sphere · Orthopedics/Orthopedic Surgery
$9,500
Apr 16, 2025Medacta USA, Inc.
Apr 16, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$407
Apr 16, 2025Medacta USA, Inc.
Apr 16, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$66.99
Apr 16, 2025Medacta USA, Inc.
Apr 16, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Chicago, IL
$66.99
Feb 22, 2025Medacta USA, Inc.
Feb 22, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Tampa, FL
$289
Feb 21, 2025Medacta USA, Inc.
Feb 21, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Tampa, FL
$124
Jan 30, 2025Medacta USA, Inc.
Jan 30, 2025
Travel and Lodging
GMK Sphere · Orthopedics/Orthopedic Surgery · travel to Tampa, FL
$747

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 North Carolina →

Other Orthopedic Surgery clinicians in Durham

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 3, 2021), 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 1821484205. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.