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Ariel Palanca, M.D.

NPI 1629203971ActiveIndividual· Orthopaedic Surgery· Stanford, CA

Orthopaedic Surgery (M.D.) in Stanford, California, trained at University of Michigan Medical School (class of 2004). 404 Medicare patients in 2024, $154,803 paid; nearly all of their 373 Part D prescriptions were generic (99%). Trilliant Surgical LLC. was the largest of 12 companies reporting payments in 2025, $122,988 in all, mostly consulting fees.

Overview

NPI1629203971
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 15, 2009
Last updated in NPPESSep 28, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000XA114257CA

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients404
Services billed4,764 across 124 procedure codes
Paid by Medicare$154,803

Part D prescriptions in 2024

Prescriptions (claims)373 · 383 30-day fills
Patients125
Total drug cost$3,233
Generic share99% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year2004
Medicare specialtyOrthopedic Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$122,988 · 106 payments from 12 companies
  • 2024$215,829 · 200 payments from 16 companies

Top paying companies in 2025

CompanyAmountPayments
Trilliant Surgical LLC.$67,68638
Medshape, Inc.$21,58228
Acumed LLC$15,58822
Stryker Corporation$7,2824
Novastep Inc.$5,2493

What the 2025 payments were for

  • Consulting Fee$78,130 · 21 payments
  • Royalty or License$30,325 · 5 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5,850 · 2 payments
  • Travel and Lodging$4,639 · 18 payments
  • Food and Beverage$4,044 · 60 payments

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

Other Orthopaedic Surgery providers in Stanford

All Orthopaedic Surgery providers in California →