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Gina Bertini Theisen, FNP-C

NPI 1235640582ActiveIndividual· Nurse Practitioner, Family· Wentzville, MO

Nurse Practitioner, Family (FNP-C) with Ssm Medical Group Inc, practicing in Wentzville, Missouri. Their prescriptions cost Medicare Part D more than their services did: $545,415 for 1,493 claims, against $18,234 paid for services in 2024. Lists Ssm St Joseph Health Center and 1 other hospital as hospital affiliations.

Overview

NPI1235640582
StatusActive
Entity typeIndividual
CredentialFNP-C
Sole proprietorNo
NPI issuedOct 13, 2017
Last updated in NPPESNov 24, 2020
Certified by providerNov 24, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner, Family Primary363LF0000X2020031798MO
Nurse Practitioner, Family363LF0000XAPN.0993335-NPCO

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 - Nurse Practitioner (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients203
Services billed344 across 5 procedure codes
Paid by Medicare$18,234

Part D prescriptions in 2024

Prescriptions (claims)1,493 · 2,167 30-day fills
Patients305
Total drug cost$545,415
Generic share39% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyNurse Practitioner

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 family nurse practitioners in Wentzville

All 25 family nurse practitioners in Wentzville · All family nurse practitioners in Missouri