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

Mrs. Margaux Ann Weller I, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1083153589

Mrs. Margaux Ann Weller I, FNP-BC is a Nurse Practitioner in Saint Charles, Missouri. Qualified in 2014, 12 years ago. Practices with SSM Medical Group Inc, a 560-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Licensed in
MO
In the registry since
2017
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

300 1st Capitol Dr
Saint Charles, MO 63301-2844
Phone: (636) 947-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 400 1st Capitol Dr Ste 201, Saint Charles, MO 63301-2882 — (636) 669-2332

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2011019986 (MO)

Record details

NPI number1083153589
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedFebruary 16, 2017
Last updated in NPPESNovember 10, 2020
Certification dateNovember 10, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Ssm Medical Group Inc — 560 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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