1,257 NPI-registered providers practice in O Fallon, Illinois. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Aaron Oge'DMD | General Practice Dentistry | O Fallon, IL | 1417124058 |
| Abc Pediatric Therapy, LLC | Speech-Language Pathologist | O Fallon, IL | 1124044698 |
| Abigail Ernst |
| Speech-Language Pathologist |
| O Fallon, IL |
| 1730065178 |
| Abigail Mcpherson | Physical Therapist | O Fallon, IL | 1841173648 |
| Acorn Health of Illinois, LLC | Behavior Analyst | O Fallon, IL | 1144867854 |
| Adaku Uzo-OkerekeM.D. | Neurology Physician | O Fallon, IL | 1497105704 |
| Adaptive Equipment Corner, LLC | Physical Therapy Clinic/Center | O Fallon, IL | 1255003158 |
| Adela RedzicPA-C | Physician Assistant | O Fallon, IL | 1912548587 |
| Adoration Home Health of Illinois, LLC | Home Health Agency | O Fallon, IL | 1043180474 |
| Adrienne Nerini | Behavior Technician | O Fallon, IL | 1891203733 |
| Advanced Ankle and Foot Surgeons, LLC | Podiatrist | O Fallon, IL | 1245563501 |
| Advanced Ankle and Foot Surgeons, LLC | Podiatrist | O Fallon, IL | 1275773293 |
| Ahmed RadwanM.D. | Sports Medicine (Family Medicine) Physician | O Fallon, IL | 1376575126 |
| Aideen McenaneyOD | Optometrist | O Fallon, IL | 1770343246 |
| Aleman Enterprises | Community/Retail Pharmacy | O Fallon, IL | 1053476481 |
| Alex Davie | Certified Registered Nurse Anesthetist | O Fallon, IL | 1912599085 |
| Alex SchillingerDMD | Dentist | O'Fallon, IL | 1629185814 |
| Alexandra Smith | Behavior Analyst | O Fallon, IL | 1033728167 |
| Alexandria GomezPHARMD | Pharmacist | O Fallon, IL | 1043104359 |
| Alison MillerAPN | Family Nurse Practitioner | O Fallon, IL | 1700314945 |
| Alliance Counseling Services PLLC | Professional Counselor | O Fallon, IL | 1033682489 |
| Alliance Hearing Inc | Hearing Instrument Specialist | O Fallon, IL | 1144836800 |
| Allison HarrisPA-C | Physician Assistant | O Fallon, IL | 1790588739 |
| Allison SmithMSN, PMHNP-BC | Psychiatric/Mental Health Nurse Practitioner | O Fallon, IL | 1821805011 |
| Allison Washenko | Pharmacist | O Fallon, IL | 1821698432 |
| Alycea Hodge | Behavior Technician | O Fallon, IL | 1588493951 |
| Alyssa HillDPT | Physical Therapist | O Fallon, IL | 1629311758 |
| Alyve Medical PLLC Family Medical Clinic | Obesity Medicine (Internal Medicine) Physician | O Fallon, IL | 1295495208 |
| Amanda Bobby | Physical Therapy Assistant | O Fallon, IL | 1043068141 |
| Amanda BuffingtonDC | Chiropractor | O Fallon, IL | 1306889266 |
| Amanda Burgesen | Certified Registered Nurse Anesthetist | O Fallon, IL | 1568084903 |
| Amanda DillardLCPC, NCC | Professional Counselor | O Fallon, IL | 1619590767 |
| Amanda LewisLCSW | Clinical Social Worker | O Fallon, IL | 1518360171 |
| Amanda PagelM.S. CFY-SLP | Speech-Language Pathologist | O Fallon, IL | 1639569213 |
| Amanda RandazzoPHARMD | Pharmacist | O Fallon, IL | 1114209897 |
| Amanda Rauen | Pharmacist | O Fallon, IL | 1861776437 |
| Amanda SchmittACNP | Nurse Practitioner | O Fallon, IL | 1912361411 |
| Amanda TerstriepOT | Occupational Therapist | O Fallon, IL | 1023135647 |
| Amanda TrickelBCBA | Behavior Analyst | O Fallon, IL | 1427670306 |
| Amanda WilsonOTR/L | Occupational Therapist | O Fallon, IL | 1376946293 |
| Amanda'S Slp Care LLC | Speech-Language Pathologist | O Fallon, IL | 1457789786 |
| Amardeep ShresthaM.D. | Internal Medicine Physician | O Fallon, IL | 1730490525 |
| Amber KrekeRBT | Behavior Analyst | O Fallon, IL | 1558906719 |
| Amedisys Illinois LLC | Home Health Agency | O Fallon, IL | 1447474895 |
| Ameniah BernardCADC | Addiction (Substance Use Disorder) Counselor | O Fallon, IL | 1598109647 |
| Amy BuckAPN | Family Nurse Practitioner | O Fallon, IL | 1053587402 |
| Amy C Champion, LLC | Professional Counselor | O Fallon, IL | 1508536939 |
| Amy ChampionLCPC | Professional Counselor | O Fallon, IL | 1285782474 |
| Amy Frey | Pharmacist | O Fallon, IL | 1023610870 |
| Amy KatsikasCNS | Clinical Nurse Specialist | O'Fallon, IL | 1932728169 |
| Amy SignoreDNP, RN | Emergency Registered Nurse | O Fallon, IL | 1639022932 |
| Amy VallemMSW, LCSW | Clinical Social Worker | O Fallon, IL | 1659723591 |
| Andrea RussellMS, CCC-SLP | Speech-Language Pathologist | O Fallon, IL | 1619115557 |
| Andrea Stafford | Pharmacist | O Fallon, IL | 1184446841 |
| Andres LernerMD | Orthopaedic Hand Surgery Physician | O Fallon, IL | 1285865204 |
| Andrew DichsenOTR/L | Occupational Therapist | O Fallon, IL | 1134836786 |
| Andrew Rakers | Pharmacist | O Fallon, IL | 1104171487 |
| Angela Croessman-MarshallAGNP-C | Adult Health Nurse Practitioner | O Fallon, IL | 1023994274 |
| Angela Dillick | Nurse's Aide | O Fallon, IL | 1609344423 |
| Angela HarveyCRNA | Certified Registered Nurse Anesthetist | O Fallon, IL | 1588707020 |
| Angela Mangum | Behavior Analyst | O Fallon, IL | 1821598293 |
| Angela MannRNC-OB, IBCLC | Lactation Consultant (Registered Nurse) | O Fallon, IL | 1437738465 |
| Angela McmillianCRNA | Certified Registered Nurse Anesthetist | O Fallon, IL | 1851849129 |
| Angela SmithLPC | Professional Counselor | O Fallon, IL | 1366288037 |
| Angie Dolosic | School Psychologist | O Fallon, IL | 1043809825 |
| Anit Care Services of Illinois | Developmentally Disabled Services Day Training Agency | O Fallon, IL | 1508350133 |
| Anita CrooksRN | Registered Nurse | O Fallon, IL | 1093968109 |
| Annamaria GriffithDNP, FNP-C | Family Nurse Practitioner | O Fallon, IL | 1023786456 |
| Anne Bollmeier | General Practice Dentistry | O Fallon, IL | 1235544024 |
| Anne Jenkins | Low-Risk Neonatal Registered Nurse | O Fallon, IL | 1346097359 |
| Anne LuekenDPT | Physical Therapist | O Fallon, IL | 1487403713 |
| Anne NashM.D. | Family Medicine Physician | O Fallon, IL | 1558440776 |
| Anns Lingerie and Mastectomy Center Inc | Durable Medical Equipment & Medical Supplies | O Fallon, IL | 1588952691 |
| Anthony PeckDC | Chiropractor | O Fallon, IL | 1376542480 |
| Anthony W Peck, D.C. | Chiropractor | O Fallon, IL | 1457311268 |
| Apg Medical Laboratory | Clinical Medical Laboratory | O Fallon, IL | 1376938225 |
| Appletree Therapy Services, LLC | Rehabilitation Clinic/Center | O Fallon, IL | 1447520168 |
| Appletree Therapy Services, LLC. | Clinic/Center | O Fallon, IL | 1134442726 |
| April Lomax | Clinical Social Worker | O Fallon, IL | 1871884312 |
| Ardent Hospice & Palliative Care Southern Illinois, Inc. | Community Based Hospice Care Agency | O Fallon, IL | 1578332052 |
| Aristides GarcesM.D. | Family Medicine Physician | O Fallon, IL | 1679672273 |
| Armand MirandaD.O. | Emergency Medicine Physician | O Fallon, IL | 1780618074 |
| Arthur SippoM.D. | Emergency Medicine Physician | O Fallon, IL | 1023042165 |
| Ashanti Muhammad-PittmanLCPC | Professional Counselor | O Fallon, IL | 1487422952 |
| Ashley AmburnLCPC | Counselor | O Fallon, IL | 1043672512 |
| Ashley Franklin | Behavior Technician | O Fallon, IL | 1235785650 |
| Ashley Gerstner | Speech-Language Pathologist | O Fallon, IL | 1851723035 |
| Ashley Rhodes | General Practice Dentistry | O Fallon, IL | 1144881533 |
| Ashraf Al DadahMD | Cardiovascular Disease Physician | O Fallon, IL | 1457526576 |
| Asia Sato | Occupational Therapist | O Fallon, IL | 1194560623 |
| Associated Pediatric Dentistry Ltd | Pediatric Dentistry | O Fallon, IL | 1952497901 |
| Associated Pediatric Dentistry, LLC | Pediatric Dentistry | O Fallon, IL | 1235527490 |
| Associated Physicians Group | Chiropractor | O Fallon, IL | 1407279623 |
| Associated Physicians Group Ltd | Ambulatory Surgical Clinic/Center | O Fallon, IL | 1275921306 |
| Associated Physicians Group, Ltd | Pain Medicine (Physical Medicine & Rehabilitation) Physician | O Fallon, IL | 1811940893 |
| Associated Vision Care, Ltd | Optometrist | O Fallon, IL | 1689370827 |
| Ata SiddiquiM.D. | Anesthesiology Physician | O Fallon, IL | 1043206618 |
| Atul ShahM.D. | Cardiovascular Disease Physician | O Fallon, IL | 1215965660 |
| Audrey GonzalezLCPC | Professional Counselor | O Fallon, IL | 1437610086 |
| Austin Cook | Certified Registered Nurse Anesthetist | O Fallon, IL | 1609468891 |
Source: CMS NPPES Data Dissemination (June 2026).