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

Mrs. Theresa A Boxdorfer, FNP

Individual provider Family Nurse Practitioner · NPI 1063566768

Mrs. Theresa A Boxdorfer, FNP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2006, 20 years ago. Practices with Signature Medical Group Inc, a 40-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
20
Licensed in
MO
In the registry since
2007
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

12639 Old Tesson Rd Ste 115
Saint Louis, MO 63128-2786
Phone: (314) 849-0311
Fax: (314) 849-4423
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 126462 (MO)

Record details

NPI number1063566768
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJanuary 22, 2007
Last updated in NPPESAugust 19, 2025
Certification dateAugust 19, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Signature Medical Group Inc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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