OAKLEAF CLINICS, SOUTHSIDE MEDICAL CLINIC
NPI 1306238191
Internal Medicine in Eau Claire, WI
About Oakleaf Clinics, Southside Medical Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OAKLEAF CLINICS, SOUTHSIDE MEDICAL CLINIC (NPI 1306238191) is a healthcare organization registered as an internal medicine in Eau Claire, Wisconsin and active in the NPI registry since March 2015. The organization holds a CLIA Waiver certificate valid through November 26, 2026 and lists Chris R Longbella, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Group Practice 1
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)
Oakleaf Clinics, Southside Medical Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
97Medicare enrollment records show 97 clinicians reassign Medicare billing to Oakleaf Clinics, Southside Medical Clinic, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 72 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 18
Nearest to this location (20)
See all 97Source: 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 52D0922535
Oakleaf Clinics - Southside Medical · Eau Claire, WIFrequently 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 Oakleaf Clinics Inc's NPI number?
The NPI number for Oakleaf Clinics Inc is 1306238191. It was assigned to this organization in the NPPES registry on March 3, 2015. The provider is doing business as Oakleaf Clinics, Southside Medical Clinic.
Where is Oakleaf Clinics Inc located?
Oakleaf Clinics Inc is located at 714 W Hamilton Ave, Eau Claire, WI 54701. The listed phone number is (715) 830-9990.
What is Oakleaf Clinics Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Oakleaf Clinics Inc enrolled in Medicare?
Yes. Oakleaf Clinics Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Oakleaf Clinics Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 97 clinicians in 18 Medicare specialties reassign their Medicare billing to Oakleaf Clinics Inc. 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 (47), Family Practice (14) and Internal Medicine (9). Of these, 6 practice at this address and 72 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Oakleaf Clinics Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 52D0922535) is associated with this NPI, valid through November 26, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Oakleaf Clinics Inc accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Quartz and Security Health Plan list Oakleaf Clinics Inc 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 Oakleaf Clinics Inc was last updated on September 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Oakleaf Clinics, Southside Medical Clinic · NPI 1306238191
Internal Medicine organization in Eau Claire, Wisconsin. Organization record, active in the CMS NPPES registry since March 3, 2015.
## Identity
- **NPI:** 1306238191 (Entity type: Organization)
- **Enumerated:** March 3, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Oakleaf Clinics Inc
- **Organization subpart:** Yes (part of Oakleaf Clinics Sc)
- **Authorized official:** Chris Longbella, DIRECTOR
## Practice location
- **Address:** 714 W HAMILTON AVE, Eau Claire, WI 54701-6937
- **Phone:** (715) 830-9990 · **Fax:** (715) 830-9995
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 97 clinicians in 18 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (47), Family Practice (14), Internal Medicine (9); 6 practice at this address and 72 within 10 miles; [full list](https://npiprofile.com/npi/1306238191/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 21, 2022
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1306238191) · Data from the CMS NPPES public registry.