Skip to content

Ryan Dellamaggiora, M.D.

NPI 1548463250ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Los Angeles, CA

Orthopaedic Surgery, Hand Surgery (M.D.) with Cedars-Sinai Medical Care Foundation, practicing in Los Angeles, California. Mostly services rather than prescriptions: Medicare paid $375,236 for 906 patients in 2024, with only 41 Part D claims. Endo USA, Inc. was the largest of 7 companies reporting payments in 2025, $12,959 in all, mostly speaking and faculty fees. Lists Cedars-Sinai Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1548463250
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 8, 2007
Last updated in NPPESMar 17, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery, Hand Surgery Primary207XS0106XA100387CA
Orthopaedic Surgery207X00000XA100387CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hand Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients906
Services billed4,966 across 126 procedure codes
Paid by Medicare$375,236

Part D prescriptions in 2024

Prescriptions (claims)41 · 42 30-day fills
Patients37
Total drug cost$451.52
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year2006
Medicare specialtyHand Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$12,959 · 26 payments from 7 companies
  • 2024$16,131 · 16 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Endo USA, Inc.$11,84917
Acumed LLC$709.684
Bioventus LLC$163.181
Arthrex, Inc.$135.481
Stryker Corporation$50.301

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$9,440 · 2 payments
  • Travel and Lodging$1,903 · 5 payments
  • Food and Beverage$1,615 · 19 payments

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

Other Orthopaedic Surgery, Hand Surgery providers in Los Angeles

All 31 Orthopaedic Surgery, Hand Surgery providers in Los Angeles · All Orthopaedic Surgery, Hand Surgery providers in California