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Frederic Charles Kass, MD

NPI 1538181110ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Barbara, CA

Internal Medicine, Hematology & Oncology (MD) in Santa Barbara, California, trained at Tufts University School of Medicine (class of 1984). In 2024 Medicare paid $1,336,943 for 268 patients, and Part D covered 287 of their prescriptions, 64% of them generic. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $49.05 in all, mostly education.

Overview

NPI1538181110
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 24, 2006
Last updated in NPPESSep 28, 2021
Certified by providerSep 28, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XG68274CA

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 - Hematology/Oncology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients268
Services billed92,811 across 96 procedure codes
Paid by Medicare$1,336,943

Part D prescriptions in 2024

Prescriptions (claims)287 · 411 30-day fills
Patients63
Total drug cost$1,215,990
Generic share64% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTufts University School of Medicine
Graduation year1984
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$49.05 · 2 payments from 2 companies
  • 2024$88.19 · 5 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Pfizer Inc.$30.651
Lilly USA, LLC$18.401

What the 2025 payments were for

  • Education$30.65 · 1 payment
  • Food and Beverage$18.40 · 1 payment

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

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