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

Mrs. Susan J Iffrig, NP

Individual provider Family Nurse Practitioner · NPI 1588663405

Mrs. Susan J Iffrig, NP is a Family Nurse Practitioner in Saint Peters, Missouri. Works from 2 locations. Licensed in Missouri.

Licensed in
MO
In the registry since
2005
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1901 Trade Center Dr
Saint Peters, MO 63376-1262
Phone: (636) 978-1610
Fax: (636) 978-1926
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 330 First Capitol Dr., St. Charles, MO 63301-2847 — (636) 946-1650

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 102332 (MO)

Record details

NPI number1588663405
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 21, 2005
Last updated in NPPESJanuary 28, 2021
Certification dateJanuary 28, 2021

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