Internal Medicine At Winghaven LLC in O Fallon, MO
This location of Internal Medicine At Winghaven bills under NPI 1033350541, an organization record issued on Mar 12, 2009 with the primary taxonomy Primary Care Clinic/Center. It is one of 2 NPIs registered under this name and one of 2 in O Fallon; each clinician who sees you there has their own NPI and license.
- Legal name
- Internal Medicine At Winghaven LLC
- Entity
- Type 2 · organization
- Primary taxonomy
- Primary Care Clinic/Center 261QP2300X
- Practice location
- 5551 WINGHAVEN BLVD STE 290, O Fallon, MO 63368
- Phone
- 636-695-2575
- Enumerated
- Mar 12, 2009
- Record updated
- Dec 5, 2017
- Authorized official
- Director (title as filed)
The other O Fallon NPI
- Internal Medicine At Winghaven, LLC5551 WINGHAVEN BLVD STE 290 · issued Jan 10, 20121487924288
3 clinicians CMS lists with Internal Medicine At Winghaven in O Fallon
- Gary Gray, MDInternal Medicine Physician1497729826
- Amaad Rana, MDRheumatology Physician1366962417
- Gina Schnurbusch, FNPFamily Nurse Practitioner1861928244
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Every location registered under this name, in 1 city.
See every locationChecking an organization
- Confirm the business with the Missouri secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Which O Fallon NPI should I use?
Ask the office which NPI it bills under; all 2 O Fallon NPIs are registered under the same name.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.