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Gregorio Ruelas, M.D.

NPI 1447441092ActiveIndividual· Family Medicine· Oxnard, CA

Family Medicine (M.D.) with Primary Medical Group of Ventura County Inc, practicing in Oxnard, California. Their prescriptions cost Medicare Part D more than their services did: $848,334 for 8,902 claims, against $97,573 paid for services in 2024. Amgen Inc. reported $18.39 in payments in 2025, mostly food and beverage. Lists Community Memorial Hospital - Ventura and 1 other hospital as hospital affiliations.

Overview

NPI1447441092
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 8, 2007
Last updated in NPPESMar 3, 2021
Certified by providerMar 3, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XA95991CA

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 - Family Practice (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients325
Services billed1,256 across 36 procedure codes
Paid by Medicare$97,573

Part D prescriptions in 2024

Prescriptions (claims)8,902 · 22,836 30-day fills
Patients742
Total drug cost$848,334
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2004
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$18.39 · 1 payment from 1 company
  • 2024$29.87 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$18.391

What the 2025 payments were for

  • Food and Beverage$18.39 · 1 payment

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

Other family medicine physicians in Oxnard

All 92 family medicine physicians in Oxnard · All family medicine physicians in California