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Dr. Aaron Casp

Orthopedic Surgery (Orthopaedic Surgery Physician)

  • Medicare participating

At a glance

Years since graduation
11
In the NPI registry since
2015
Medicare patients seen, 2024
72

Licensed in Colorado since 2019, according to the Colorado Department of Regulatory Agencies. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

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

  • 2015Medical school: University of North Carolina at Chapel Hill School of Medicine
  • 2015Registered with an NPI (national billing number; not a license date)

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
    CO license DR.0063574 (first issued 2019; active)

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
72
Services billed
376
Patients’ average age
67
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg9616
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg7523
Established patient office or other outpatient visit, 20-29 minutes6147
Aspiration and/or injection of fluid from large joint4033
New patient office or other outpatient visit, 30-44 minutes2323
New patient office or other outpatient visit, 45-59 minutes2020
Established patient office or other outpatient visit, 30-39 minutes1514

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, 4 companies reported 19 payments worth $15,415 in total to this clinician.

By company
Stryker Corporation$15,189
DePuy Synthes Sales Inc.$154
Gemini Mountain Medical, LLC$45.59
Bioventus LLC$25.66
By type
Consulting Fee$14,400
Food and Beverage$844
Travel and Lodging$170

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Mar 28, 2025Stryker Corporation
Mar 28, 2025
Consulting Fee
Flexible Guide Pin (Stryker ACL Versitomic) · SPORTS MEDICINE
$7,000
Aug 8, 2025Stryker Corporation
Aug 8, 2025
Consulting Fee
Flexible Guide Pin (Stryker ACL Versitomic); SPY-PHI SYSTEM; 1788 · SPORTS MEDICINE
$2,600
Dec 4, 2025Stryker Corporation
Dec 4, 2025
Consulting Fee
INSIGNIA · JOINT REPLACEMENT HIPS, KNEES
$2,400
Dec 4, 2025Stryker Corporation
Dec 4, 2025
Consulting Fee
Flexible Guide Pin (Stryker ACL Versitomic) · SPORTS MEDICINE
$1,600
Aug 8, 2025Stryker Corporation
Aug 8, 2025
Consulting Fee
SPY-PHI SYSTEM; 1788 · ENDOSCOPY
$800
Mar 4, 2025Stryker Corporation
Mar 4, 2025
Travel and Lodging
ALPHAVENT · SPORTS MEDICINE · travel to SECAUCUS, NJ
$170

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 Colorado →

Other Orthopedic Surgery clinicians in Golden

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 1, 2025), 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 1285021154. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.