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Robert Charles Callahan, D.O.

NPI 1306248018ActiveIndividual· Family Medicine· Poulsbo, WA

Family Medicine (D.O.) in Poulsbo, Washington, trained at Touro Un Col of Osteopathic Medicine, Henderson (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $307,624 for 2,335 claims, against $46,081 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 4 companies reporting payments in 2025, $103.96 in all, mostly food and beverage.

Overview

NPI1306248018
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedSep 24, 2014
Last updated in NPPESOct 26, 2023
Certified by providerOct 26, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XOP61438502WA
Family Medicine207Q00000X074807GA
Family Medicine207Q00000X05-44815KS

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 (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients170
Services billed1,055 across 48 procedure codes
Paid by Medicare$46,081

Part D prescriptions in 2024

Prescriptions (claims)2,335 · 5,229 30-day fills
Patients249
Total drug cost$307,624
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTouro Un Col of Osteopathic Medicine, Henderson
Graduation year2014
Medicare specialtyFamily Practice

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$103.96 · 6 payments from 4 companies
  • 2024$338.37 · 26 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$103.96 · 6 payments

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

Other family medicine physicians in Poulsbo

All 49 family medicine physicians in Poulsbo · All family medicine physicians in Washington