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Diana Marie Spak, MD

NPI 1629145644ActiveIndividual· Obstetrics & Gynecology· Anaheim, CA

Obstetrics & Gynecology (MD) with Southern California Permanente Medical Group, practicing in Anaheim, California. Part D covered 77 prescriptions written in 2024, 86% of them generic. Intuitive Surgical, Inc. reported $3,237 in payments in 2025, mostly education.

Overview

NPI1629145644
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedNov 29, 2006
Last updated in NPPESDec 1, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology Primary207V00000XA91753CA

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 - Obstetrics/Gynecology (CA)

Part D prescriptions in 2024

Prescriptions (claims)77 · 172 30-day fills
Patients25
Total drug cost$3,431
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year1999
Medicare specialtyObstetrics/Gynecology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,237 · 8 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Intuitive Surgical, Inc.$3,2378

What the 2025 payments were for

  • Education$2,500 · 2 payments
  • Travel and Lodging$600.00 · 4 payments
  • Food and Beverage$136.74 · 2 payments

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

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