Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gina Bertini Theisen, FNP-C

Individual provider Family Nurse Practitioner · NPI 1235640582

Gina Bertini Theisen, FNP-C is a Nurse Practitioner in Wentzville, Missouri. Qualified in 2017, 9 years ago. Practices with SSM Medical Group Inc, a 560-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado and Missouri.

Years since qualifying
9
Licensed in
CO, MO
In the registry since
2017
Specialties on file
2
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

1603 Wentzville Pkwy
Wentzville, MO 63385-3826
Phone: (636) 332-8228
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1189 S Perry St Ste 230, Castle Rock, CO 80104-1959 — (303) 688-3434

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2020031798 (MO)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence APN.0993335-NP (CO)

Record details

NPI number1235640582
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedOctober 13, 2017
Last updated in NPPESNovember 24, 2020
Certification dateNovember 24, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Ssm Medical Group Inc — 560 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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