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Richard Todd Frederick, M.D.

NPI 1720009160ActiveIndividual· Internal Medicine, Gastroenterology· San Francisco, CA

Internal Medicine, Gastroenterology (M.D.) in San Francisco, California, trained at New York Medical College (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,729,606 for 1,898 claims, against $123,191 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 7 companies reporting payments in 2025, $45,689 in all, mostly speaking and faculty fees.

Overview

NPI1720009160
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 21, 2006
Last updated in NPPESAug 26, 2021
Certified by providerDec 4, 2020

Specialties and licenses

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 - Gastroenterology (CA); Practitioner - Gastroenterology (NV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients461
Services billed1,066 across 22 procedure codes
Paid by Medicare$123,191

Part D prescriptions in 2024

Prescriptions (claims)1,898 · 3,402 30-day fills
Patients242
Total drug cost$1,729,606
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew York Medical College
Graduation year1998
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$45,689 · 35 payments from 7 companies
  • 2024$21,359 · 15 payments from 3 companies

Top paying companies in 2025

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$39,307 · 10 payments
  • Consulting Fee$3,240 · 2 payments
  • Travel and Lodging$1,621 · 8 payments
  • Food and Beverage$1,522 · 15 payments

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

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