Medical groups in O Fallon, MO
- Medical groups
- 21
- Multi-specialty
- 3
- Single-specialty
- 18
- More than one site
- 9
There are 21 medical groups in O Fallon with a Medicare PAC ID. St. Luke's Digestive Consultants is the largest, with 6 Missouri physicians, followed by O'Fallon Pediatrics with 5. 86% of O Fallon groups are independent.
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St. Luke's Digestive Consultants is the largest medical group in O Fallon, with 6 physicians
Ranked by physicians with a Missouri address linked to each group based in O Fallon. O'Fallon Pediatrics is second with 5, and Regional Eyecare Associates third with 2.
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Sort and filter all 21 O Fallon medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 21 medical groups in O Fallon
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
86% of O Fallon medical groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
O Fallon medical groups by ownership
- Independent18
- Health system or hospital2
- Platform or corporate owner1
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 21 O Fallon medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
1 O Fallon medical groups practice at a hospital site
Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.
O Fallon medical groups by site of care
- Therapy and rehab centers2
- Hospitals1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Chiropractic groups are the most common medical groups in O Fallon, with 5
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 4, and 3 O Fallon groups are multi-specialty.
- Chiropractic5
- Behavioral and mental health4
- Primary care4
- Eye care3
- Rehabilitation and therapy2
- Anesthesia and pain1
- Pediatrics1
- Podiatry1
Source: Dmand AI Professional Profile Data
263 Missouri HCPs work in O Fallon medical groups, 19 of them physicians
Each clinician is counted once, across every O Fallon group they are linked to. Only clinicians with a Missouri address are counted.
HCPs in O Fallon medical groups by type
- Therapists (PT and OT)143
- Chiropractors27
- Behavioral health clinicians26
- Optometrists and opticians26
- Physicians (MD, DO)19
- Other HCPs22
Source: Dmand AI Affiliation Data
Each O Fallon medical group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the O Fallon medical group directory
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory lists groups based in O Fallon with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in O Fallon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many medical groups are in O Fallon?
There are 21 medical groups based in O Fallon with a Medicare PAC ID: 3 multi-specialty and 18 single-specialty. 9 of them have more than one site.
What is the largest medical group in O Fallon?
St. Luke's Digestive Consultants, with 6 physicians and 14 HCPs with a Missouri address. O'Fallon Pediatrics is second with 5, and Regional Eyecare Associates is third with 2.
How many O Fallon medical groups are independent?
18, or 86%, have no larger parent organization in the Dmand AI org hierarchy. 2 belong to a health system or hospital and 1 to a physician platform or corporate owner.
How many O Fallon medical groups practice at a hospital?
1 O Fallon groups practice at a hospital site linked to them in the Dmand AI org hierarchy.
How do I find a medical group's NPI or PAC ID?
Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.
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