1. Home
  2. Directory
  3. Missouri
  4. O Fallon
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WEIKART HEALTHCARE GROUP LLC
NPI 1790057230
Internal Medicine in O Fallon, MO

Active since January 30, 2012
1002 PERUQUE CROSSING CT STE 102, O FALLON, MO 63366(636) 294-5900(636) 294-5908 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 7, 2026, Sep 9, 2025 (2 updates tracked since 2025).

About Weikart Healthcare Group Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WEIKART HEALTHCARE GROUP LLC (NPI 1790057230) is a healthcare organization registered as an internal medicine in O Fallon, Missouri and active in the NPI registry since January 2012. The organization lists Kevin David Weikart, President, as its authorized official.

NPPES Registry Identity

NPI1790057230
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameWEIKART HEALTHCARE GROUP LLC
Location Address1002 PERUQUE CROSSING CT STE 102O Fallon, MO 63366-2381
Mailing Address1002 Peruque Crossing Ct Ste 101O Fallon, MO 63366-2381 · (636) 887-0812 · Fax (636) 237-7877
Phone(636) 294-5900
Fax(636) 294-5908
Organization SubpartNo
Authorized OfficialKevin David WeikartPresident · (636) 294-5900
Enumeration DateJanuary 30, 2012
Last NPPES UpdateOctober 7, 20262 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1790057230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · R5G33
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1002 PERUQUE CROSSING CT STE 102, O Fallon, MO 63366
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Weikart Healthcare Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Weikart Healthcare Group LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kevin Weikart, M.D.
Internal Medicine
NPI 1902864986
1002 PERUQUE CROSSING CT STE 102
O Fallon, MO 63366
(636) 294-5900
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Weikart Healthcare Group LLC's NPI number?

The NPI number for Weikart Healthcare Group LLC is 1790057230. It was assigned to this organization in the NPPES registry on January 30, 2012.

Where is Weikart Healthcare Group LLC located?

Weikart Healthcare Group LLC is located at 1002 Peruque Crossing Ct Ste 102, O Fallon, MO 63366. The listed phone number is (636) 294-5900.

What is Weikart Healthcare Group LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Weikart Healthcare Group LLC enrolled in Medicare?

Yes. Weikart Healthcare Group LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Weikart Healthcare Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Weikart Healthcare Group LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Weikart Healthcare Group LLC accept?

Health plans from Medica list Weikart Healthcare Group LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Weikart Healthcare Group LLC was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.