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

Billi J Patzius, PHD

Individual provider Professional Counselor · NPI 1710634795

Billi J Patzius, PHD is a Professional Counselor in O Fallon, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2022
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

103 Lincoln St
O Fallon, MO 63366-1603
Phone: (636) 978-6901
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 2022020328 (MO)

Record details

NPI number1710634795
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 9, 2022
Last updated in NPPESApril 23, 2026
Certification dateApril 23, 2026

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