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Wei Bai, MD

NPI 1053567545ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Maria, CA

Internal Medicine, Hematology & Oncology (MD) with Pacific Central Coast Health Centers, practicing in Santa Maria, California. Their prescriptions cost Medicare Part D more than their services did: $1,405,935 for 570 claims, against $145,338 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 13 companies reporting payments in 2025, $8,225 in all, mostly consulting fees. Lists Marian Regional Medical Center as a hospital affiliation.

Overview

NPI1053567545
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 15, 2008
Last updated in NPPESApr 22, 2026
Certified by providerApr 22, 2026

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

Medicare services in 2024

Medicare patients307
Services billed1,216 across 11 procedure codes
Paid by Medicare$145,338

Part D prescriptions in 2024

Prescriptions (claims)570 · 1,067 30-day fills
Patients125
Total drug cost$1,405,935
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Graduation year1995
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$8,225 · 26 payments from 13 companies
  • 2024$17,003 · 23 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$7,425 · 5 payments
  • Food and Beverage$476.97 · 20 payments
  • Travel and Lodging$322.94 · 1 payment

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

Other hematologist-oncologists in Santa Maria

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