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Darien Heap, M.D.

NPI 1982600961ActiveIndividual· Internal Medicine, Gastroenterology· Olympia, WA

Internal Medicine, Gastroenterology (M.D.) in Olympia, Washington, trained at Saint Louis University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $668,719 for 1,397 claims, against $121,767 paid for services in 2024.

Overview

NPI1982600961
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 23, 2005
Last updated in NPPESJan 27, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XMD00044714WA

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 (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients537
Services billed1,286 across 38 procedure codes
Paid by Medicare$121,767

Part D prescriptions in 2024

Prescriptions (claims)1,397 · 2,458 30-day fills
Patients491
Total drug cost$668,719
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSaint Louis University School of Medicine
Graduation year1998
Medicare specialtyGastroenterology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine, Gastroenterology providers in Olympia

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