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

Mariah L Messmer

Individual provider Family Nurse Practitioner · NPI 1477204055

Mariah L Messmer is a Nurse Practitioner in French Lick, Indiana. Qualified in 2021, 5 years ago. Practices with Deaconess Memorial Medical Center Inc, a 141-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
5
Licensed in
IN
In the registry since
2022

Practice location Address checks out

679 S State Road 145
French Lick, IN 47432-8328
Phone: (812) 936-6400
Fax: (812) 777-4856
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 71012150A (IN)

Record details

NPI number1477204055
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 14, 2022
Last updated in NPPESSeptember 2, 2022
Certification dateSeptember 2, 2022
Mailing address800 W 9th St, Jasper, IN 47546-2514

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Deaconess Memorial Medical Center Inc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount