Skip to content

Cecil Olaya Robertson, M. D.

NPI 1780640631ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Maria, CA

Internal Medicine, Hematology & Oncology (M. D.) in Santa Maria, California, trained at State University of New York at Buffalo School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $2,066,525 for 1,215 claims, against $29,398 paid for services in 2024. Novocure Inc. was the largest of 11 companies reporting payments in 2025, $414.80 in all, mostly food and beverage.

Overview

NPI1780640631
StatusActive
Entity typeIndividual
CredentialM. D.
Sole proprietorNo
NPI issuedApr 20, 2006
Last updated in NPPESJul 2, 2019

Specialties and licenses

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 - Medical Oncology (CA); Practitioner - Hematology/Oncology (FL); Practitioner - Hematology/Oncology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients266
Services billed606 across 9 procedure codes
Paid by Medicare$29,398

Part D prescriptions in 2024

Prescriptions (claims)1,215 · 1,529 30-day fills
Patients327
Total drug cost$2,066,525
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York at Buffalo School of Medicine
Graduation year1986
Medicare specialtyHematology/Oncology

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$414.80 · 12 payments from 11 companies
  • 2024$1,020 · 46 payments from 18 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$414.80 · 12 payments

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

Other hematologist-oncologists in Santa Maria

All hematologist-oncologists in California