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Patrick Diesfeld, M.D.

NPI 1568576080ActiveIndividual· Obstetrics & Gynecology· Ventura, CA

Obstetrics & Gynecology (M.D.) in Ventura, California, licensed in CA, with an NPI issued in August 2006. Part D covered 193 prescriptions written in 2024, 93% of them generic. Millicent US Inc reported $20.66 in payments in 2025, mostly food and beverage.

Overview

NPI1568576080
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 19, 2006
Last updated in NPPESOct 30, 2025
Certified by providerOct 30, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology Primary207V00000XG48770CA

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)193 · 378 30-day fills
Patients45
Total drug cost$12,236
Generic share93% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$20.66 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Millicent US Inc$20.661

What the 2025 payments were for

  • Food and Beverage$20.66 · 1 payment

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

Other OB-GYNs in Ventura

All 43 OB-GYNs in Ventura · All OB-GYNs in California