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WEST COUNTY RHEUMATOLOGY, LLC
NPI 1356830830
Internal Medicine - Rheumatology in Saint Louis, MO

Active since May 09, 2018CLIA 26D2195291 · Certificate of Compliance
13100 MANCHESTER RD STE 70, SAINT LOUIS, MO 63131(314) 492-2323(314) 582-1010 Get Directions Write a Review

NPPES record last updated: November 1, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 1, 2018, May 9, 2018 (2 updates tracked since 2018).

About West County Rheumatology, Llc NPPES

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

WEST COUNTY RHEUMATOLOGY, LLC (NPI 1356830830) is a healthcare organization registered as a rheumatology in Saint Louis, Missouri and active in the NPI registry since May 2018. The organization holds a CLIA Certificate of Compliance certificate valid through May 11, 2028 and lists Sona S Kamat, Owner, as its authorized official.

NPPES Registry Identity

NPI1356830830
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameWEST COUNTY RHEUMATOLOGY, LLC
Location Address13100 MANCHESTER RD STE 70Saint Louis, MO 63131-1703
Mailing Address13100 Manchester Rd Ste 70Saint Louis, MO 63131-1703 · (314) 492-2323 · Fax (314) 582-1010
Phone(314) 492-2323
Fax(314) 582-1010
Organization SubpartNo
Authorized OfficialSona S KamatOwner · (314) 983-9898
Enumeration DateMay 9, 2018
Last NPPES UpdateNovember 1, 20182 updates tracked since enumeration
✔ NPI 1356830830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MO · 2003014471
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
13100 MANCHESTER RD STE 70, Saint Louis, MO 63131
Open in Google Maps ↗

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

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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)

West County Rheumatology, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to West County Rheumatology, LLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 8 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Vijay Kannuthurai, MD
Rheumatology
NPI 1669967527
13100 MANCHESTER RD STE 70
Saint Louis, MO 63131
(314) 492-2323
✔ PECOS✔ Accepts MedicareSame address
Joshy Pathiparampil, M.D.
Rheumatology
NPI 1801216551
13100 MANCHESTER RD STE 70
Saint Louis, MO 63131
(314) 492-2323
✔ PECOS✔ Accepts MedicareSame address
Lauren Sanderson
Nurse Practitioner
NPI 1205315009
13100 MANCHESTER RD STE 70
Saint Louis, MO 63131
(314) 492-2323
✔ PECOS✔ Accepts MedicareSame address
Lauren Scott, FNP-C
Nurse Practitioner
NPI 1588201552
13100 MANCHESTER RD # 70
Saint Louis, MO 63131
(314) 492-2323
✔ PECOS✔ Accepts MedicareSame address
Loreta Shahinaj, NP
Nurse Practitioner
NPI 1952816449
13100 MANCHESTER RD STE 70
Saint Louis, MO 63131
(314) 492-2323
✔ PECOS✔ Accepts MedicareSame address
Sona Kamat, M.D.
Internal Medicine
NPI 1407896129
13100 MANCHESTER RD STE 70
Saint Louis, MO 63131
(314) 492-2323
✔ PECOS✔ Accepts MedicareSame address
Holly Ackermann, FNP
Nurse Practitioner
NPI 1003303389
5034 GRIFFIN RD
Saint Louis, MO 63128
(314) 843-7333
✔ PECOS✔ Accepts Medicare8.8 mi
Patrick Behnke, NP
Nurse Practitioner
NPI 1417490772
100 CHESTERFIELD BUSINESS PKWY STE 110
Chesterfield, MO 63005
(636) 532-0990
✔ PECOS✔ Accepts Medicare9.6 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 Compliance 26D2195291

West County Rheumatology · St. Louis, MO
Active · expires May 11, 2028
CLIA Number26D2195291
Laboratory TypePhysician Office
Certificate Effective DateMay 12, 2026
Certificate Expiration DateMay 11, 2028
Laboratory DirectorSuparna Nanua
Laboratory Phone(314) 492-2323
Laboratory LocationWest County Rheumatology13100 Manchester Rd Suite 85, St. Louis, MO 63131
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 West County Rheumatology, LLC's NPI number?

The NPI number for West County Rheumatology, LLC is 1356830830. It was assigned to this organization in the NPPES registry on May 9, 2018.

Where is West County Rheumatology, LLC located?

West County Rheumatology, LLC is located at 13100 Manchester Rd Ste 70, Saint Louis, MO 63131. The listed phone number is (314) 492-2323.

What is West County Rheumatology, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is West County Rheumatology, LLC enrolled in Medicare?

Yes. West County Rheumatology, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through West County Rheumatology, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to West County Rheumatology, 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 (5), Rheumatology (2) and Internal Medicine (1). Of these, 6 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does West County Rheumatology, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 26D2195291) is associated with this NPI, valid through May 11, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does West County Rheumatology, LLC accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list West County Rheumatology, 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 West County Rheumatology, LLC was last updated on November 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.