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Cainan Foltz, MD

NPI 1033434071ActiveIndividual· Internal Medicine, Gastroenterology· San Diego, CA

Internal Medicine, Gastroenterology (MD) in San Diego, California, trained at Stanford University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $512,903 for 720 claims, against $86,605 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,172 in all, mostly food and beverage.

Overview

NPI1033434071
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 1, 2010
Last updated in NPPESMay 13, 2026
Certified by providerMay 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XA116914CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients333
Services billed880 across 34 procedure codes
Paid by Medicare$86,605

Part D prescriptions in 2024

Prescriptions (claims)720 · 1,056 30-day fills
Patients251
Total drug cost$512,903
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Medical schoolStanford University School of Medicine
Graduation year2009
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,172 · 54 payments from 16 companies
  • 2024$1,542 · 64 payments from 17 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,172 · 54 payments

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

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