Skip to content

Colleen A. Weissmann, MD

NPI 1760465959ActiveIndividual· Internal Medicine· Loveland, CO

Internal Medicine (MD) in Loveland, Colorado, trained at University of Alabama School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $30,216 for 243 claims, against $7,064 paid for services in 2024. Indivior Inc. was the largest of 6 companies reporting payments in 2025, $740.22 in all, mostly food and beverage.

Overview

NPI1760465959
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedNov 22, 2005
Last updated in NPPESSep 29, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X33316CO

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 - Internal Medicine (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients18
Services billed113 across 6 procedure codes
Paid by Medicare$7,064

Part D prescriptions in 2024

Prescriptions (claims)243 · 244 30-day fills
Patients50
Total drug cost$30,216
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Alabama School of Medicine
Graduation year1988
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$740.22 · 31 payments from 6 companies
  • 2024$477.61 · 28 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Indivior Inc.$422.3318
Gilead Sciences, Inc.$224.998
Orexo US, Inc.$39.192
Abbvie Inc.$19.171
Braeburn Inc.$18.021

What the 2025 payments were for

  • Food and Beverage$740.22 · 31 payments

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

Other Internal Medicine providers in Loveland

All Internal Medicine providers in Colorado →