TRI-COUNTY FAMILY PRACTICE, LLC
NPI 1285720169
Family Medicine in O Fallon, MO

Active since October 05, 2006CLIA 26D0932833 · Waiver
5551 WINGHAVEN BLVD STE 142, O FALLON, MO 63368(636) 695-2510(314) 590-5914 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 5, 2026, Dec 12, 2025, Apr 6, 2021 and 1 more (4 updates tracked since 2017).

About Tri-county Family Practice, Llc NPPES

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

TRI-COUNTY FAMILY PRACTICE, LLC (NPI 1285720169) is a healthcare organization registered as a family medicine in O Fallon, Missouri and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through August 27, 2027, maintains a secondary practice location in Chesterfield, and lists Darren R. Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1285720169
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameTRI-COUNTY FAMILY PRACTICE, LLC
Location Address5551 WINGHAVEN BLVD STE 142O Fallon, MO 63368-3618
Mailing Address232 S Woods Mill RdChesterfield, MO 63017-3406 · (636) 685-7804
Fax(314) 590-5914
Organization SubpartYesParent: St. Lukes Medical Group
Authorized OfficialDarren R. HaskellChief Medical Officer · (314) 205-6444
Enumeration DateOctober 5, 2006
Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1285720169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5551 WINGHAVEN BLVD STE 142, O Fallon, MO 63368

Secondary Practice Location 1

Location 117417 Chesterfield Airport RdChesterfield, MO 63005-1308 · Phone (636) 685-7724 · Fax (314) 590-5955

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted 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)

Tri-county Family Practice, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Tri-County Family Practice, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner7
Family Practice4
Internal Medicine1

Clinicians, nearest first (12)

Family Practice
NPI 1881397164
5551 WINGHAVEN BLVD STE 142
O Fallon, MO 63368
(636) 685-7724
✔ PECOSSame address
Nurse Practitioner
NPI 1194596627
11 DELEGATE CIR
O Fallon, MO 63368
(314) 518-2101
✔ PECOS✔ Accepts Medicare3.1 mi
Internal Medicine
NPI 1609079409
1475 KISKER RD STE 200
Saint Charles, MO 63304
(636) 498-5970
✔ PECOS✔ Accepts Medicare6.9 mi
Nurse Practitioner
NPI 1952783227
112 PIPER HILL DR STE 12
Saint Peters, MO 63376
(314) 434-6130
✔ PECOS✔ Accepts Medicare9.1 mi
Family Practice
NPI 1013368455
17417 CHESTERFIELD AIRPORT RD
Chesterfield, MO 63005
(366) 857-7246
✔ PECOS✔ Accepts Medicare9.5 mi
Nurse Practitioner
NPI 1306716048
953 FORESTLAC CT
Saint Louis, MO 63141
(734) 716-4280
✔ PECOS14 mi
Nurse Practitioner
NPI 1346317583
14377 WOODLAKE DR SUITE 300
Chesterfield, MO 63017
(314) 434-3333
✔ PECOS✔ Accepts Medicare15 mi
Family Practice
NPI 1184822801
9338 OLIVE BLVD SUITE 100
Saint Louis, MO 63132
(314) 993-2400
✔ PECOS✔ Accepts Medicare21 mi
Nurse Practitioner
NPI 1518409283
1 BARNES JEWISH HOSPITAL PLZ DIV SURG ACCS
Saint Louis, MO 63110
(314) 362-5298
✔ PECOS✔ Accepts Medicare27 mi
Nurse Practitioner
NPI 1649958703
1254 MAIN ST
Imperial, MO 63052
(636) 741-3130
✔ PECOS✔ Accepts Medicare33 mi
Family Practice
NPI 1770072332
1137 INDEPENDENCE DR
West Plains, MO 65775
(417) 255-8464
✔ PECOS✔ Accepts Medicare152 mi
Nurse Practitioner
NPI 1679247480
75-184 HUALALAI RD STE 202
Kailua Kona, HI 96740
(808) 329-8251
✔ PECOS✔ Accepts Medicare4,069 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 26D0932833

Tri-County Family Practice · Ofallon, MO
Active · expires Aug 27, 2027
CLIA Number26D0932833
Laboratory TypeOther
Certificate Effective DateAugust 28, 2025
Certificate Expiration DateAugust 27, 2027
Laboratory DirectorNelson G. Usry
Laboratory Phone(636) 695-2510
Laboratory LocationTri-County Family Practice5551 Winghaven Boulevard Suite 142, Ofallon, MO 63366
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Tri-County Family Practice, LLC's NPI number?

The NPI number for Tri-County Family Practice, LLC is 1285720169. It was assigned to this organization in the NPPES registry on October 5, 2006.

Where is Tri-County Family Practice, LLC located?

Tri-County Family Practice, LLC is located at 5551 Winghaven Blvd Ste 142, O Fallon, MO 63368. The listed phone number is (636) 695-2510.

What is Tri-County Family Practice, LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Tri-County Family Practice, LLC enrolled in Medicare?

Yes. Tri-County Family Practice, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tri-County Family Practice, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 3 Medicare specialties reassign their Medicare billing to Tri-County Family Practice, 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. The largest specialties are Nurse Practitioner (7), Family Practice (4) and Internal Medicine (1). Of these, 1 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Tri-County Family Practice, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D0932833) is associated with this NPI, valid through August 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Tri-County Family Practice, LLC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Tri-County Family Practice, 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 Tri-County Family Practice, LLC was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.