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Active NPI 1306378765 Individual Practitioner Female Practitioner

Heather St. Peter , LCSW

Social Worker - Clinical • O Fallon, MO

✓ Accepts Medicare Assignment
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This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Heather St. Peter, LCSW is a registered Social Worker - Clinical practitioner in O Fallon, MO. With approximately 17 years of clinical practice since completing medical education in 2009, Heather St. Peter provides healthcare services at the registered practice location at 105 CHURCH ST.

Heather St. Peter is affiliated with Side By Side Wellness Llc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

105 Church St

O Fallon, MO 633662894

Telephone 6362945787
Associated Practice Facility / Clinic
🏢 Side By Side Wellness Llc Facility NPI 1386112035

Medicare Profile & Education

Medical School

Other

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker - Clinical in O Fallon, MO

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
17 Yrs -2.9 yrs vs City Avg
City Avg: 19.9 Yrs
State Avg: 17.7 Yrs
Regional Practice Density
40 Specialists

Practicing in O Fallon, MO (5572 Statewide)

Telehealth Adoption Rate
12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. St. Peter (17 Years) 17 Yrs
O Fallon Specialty Average (19.9 Years) 19.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-03-12
Social Worker - Clinical Primary Specialty

NUCC Taxonomy Code: 1041C0700X

State License MO 2017007132

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Hospital & Practice Group Affiliations

Side By Side Wellness Llc

1100 Rock Creek Elementary School Dr, O Fallon, MO 633667577

Side By Side Wellness Llc

105 Church St, O Fallon, MO 633662894

Phone: 6362945787

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners
Clare Bishop , LCSW

Social Worker - Clinical

NPI 1114753886

Licensed Clinical Social Worker

Alyson Miller , LCSW

Social Worker - Clinical

NPI 1417783184

Licensed Clinical Social Worker

NPI 1487480141

Licensed Master Social Worker

Katie Kessler , LCSW

Social Worker - Clinical

NPI 1508306622

Licensed Clinical Social Worker

Drew Adams , PLPC

Counselor - Professional

NPI 1588594550
Cynthia Scanlon , LCSW

Social Worker - Clinical

NPI 1659965986

Licensed Clinical Social Worker

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
📍
Updated Practice Location March 12, 2026

Registered at 105 CHURCH ST, O FALLON, MO 633662894 (Tel: 6362945787)

📍
Updated Business Mailing Address March 12, 2026

Registered at 105 CHURCH ST, O FALLON, MO 633662894 (Tel: 6362945787)

📍
Updated Practice Location May 27, 2020

Registered at 1100 ROCK CREEK ELEMENTARY SCHOOL DR, O FALLON, MO 633667577 (Tel: 6362945787)

📍
Updated Business Mailing Address May 27, 2020

Registered at 1100 ROCK CREEK ELEMENTARY SCHOOL DR, O FALLON, MO 633667577 (Tel: 6362945787)

NPI Profile Active April 03, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 03, 2017

Registered at 1601 OLD SOUTH RIVER RD, SAINT CHARLES, MO 633034120 (Tel: 6362241000)

📍
Updated Business Mailing Address April 03, 2017

Registered at 900 E LAHARPE ST, KIRKSVILLE, MO 635014520 (Tel: 6606651962)

👤
Provider Name / Credentials Updated April 03, 2017

Recorded as HEATHER ST. PETER, LCSW

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 03, 2017

Social Worker (License #2017007132 in MO)

🟢
Initial NPI Registration & Enumeration April 03, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1306378765
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 03, 2017
Last Update: March 12, 2026
Sole Proprietor: No

Mailing Address

105 Church St

O Fallon, MO 633662894

Phone: 6362945787

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.