Heather St. Peter, LCSW
Clinical Social Worker · O Fallon, MO
Heather St. Peter, LCSW is a clinical social worker with a practice address in O Fallon, Missouri, and NPI 1306378765, issued on Apr 3, 2017. Check the license (Missouri 2017007132, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather St. Peter
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 2017007132 MO
Self-reported in NPPES; status is on the state search - Practice location
- 105 Church St, O Fallon, MO 63366
- Phone
- (636) 294-5787
- Enumerated
- Apr 3, 2017
- Record last updated
- Mar 12, 2026
- Medicare enrollment
- Enrolled (PECOS I20180308001336); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 5,398 in Missouri → Look up another NPI →
Also registered at 105 Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Drew Adams, PLPCProfessional Counselor1588594550
- Clare Bishop, LCSWClinical Social Worker1114753886
- Katie Kessler, LCSWClinical Social Worker1508306622
- Alyson Miller, LCSWClinical Social Worker1417783184
- Nicole Pondrom, LMSWSocial Worker1487480141
Verify Heather St. Peter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2017007132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Side BY Side Wellness LLCO Fallon, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather St. Peter among 5,398 clinical social worker records in Missouri
Heather St. Peter, LCSW is one of 5,398 clinical social worker records with a practice address in Missouri. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 55% of them.
- NPI issued2017 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated2009 · median 2010 among the 978 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 clinical social worker records list a practice address in O Fallon
They are 40 of the 1,225 NPPES records with a practice address in O Fallon, and 5,398 clinical social worker records in Missouri.
All 5,398 in Missouri → Every provider in O Fallon → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Debra Bianchi, LCSWO Fallon, MO 633661205281516
- Steven Buck, LCSWO Fallon, MO 633661952348088
- Elizabeth Eaton, MSW, LCSWO Fallon, MO 633661194881870
- Joy Gillespie, MSW, LCSWO Fallon, MO 633661457761645
- David Grant, LCSWO Fallon, MO 633661639622152
- Mark Gronski, LPCO Fallon, MO 633661841565363
- Linda Herzberg, MSW, LCSWO Fallon, MO 633661811961329
- Katie Ingebretson, MSW, LCSWO Fallon, MO 633661366725277
Common questions
What is Heather St. Peter, LCSW's NPI number?
Heather St. Peter, LCSW's National Provider Identifier (NPI) is 1306378765, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Heather St. Peter, LCSW located?
The NPPES record lists a practice address at 105 Church St, O Fallon, MO, 63366. Phone: (636) 294-5787. Providers update this record themselves, so call before visiting.
How can I verify Heather St. Peter, LCSW's license?
NPPES lists Missouri license number 2017007132, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.