Internal Medicine At Winghaven, LLC in O Fallon, MO

This location of Internal Medicine At Winghaven bills under NPI 1487924288, an organization record issued on Jan 10, 2012 with the primary taxonomy Internal Medicine Physician. 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.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026

1487924288

Legal name: Internal Medicine At Winghaven, LLC
Entity: Type 2 · organization, a subpart
Parent organization: St. Lukes Medical Group
Primary taxonomy: Internal Medicine Physician 207R00000X
Practice location: 5551 WINGHAVEN BLVD STE 290, O Fallon, MO 63368
Phone: 636-695-2575
Mailing address: Chesterfield, MO
Enumerated: Jan 10, 2012
Record updated: Mar 5, 2026
Authorized official: Chief Medical Officer (title as filed)

Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other O Fallon NPI

Internal Medicine At Winghaven LLC5551 WINGHAVEN BLVD STE 290 · issued Mar 12, 20091033350541

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.

All 2 Internal Medicine At Winghaven NPIs

Every location registered under this name, in 1 city.

See every location

Checking 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

What does subpart mean?

The organization registered this NPI as a subpart: a part of the organization, such as a location, that bills under its own NPI.

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.