OAKLEAF CLINICS, SC - OB-GYN CLINIC OF EAU CLAIRE
NPI 1023400819
Obstetrics & Gynecology in Eau Claire, WI

Active since March 03, 2015CLIA 52D2015497 · Microscopy
1110 OAK RIDGE DR, EAU CLAIRE, WI 54701(715) 834-9998(715) 834-9833 Get Directions Write a Review

NPPES record last updated: January 28, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Oakleaf Clinics, Sc - Ob-gyn Clinic Of Eau Claire NPPES

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

OAKLEAF CLINICS, SC - OB-GYN CLINIC OF EAU CLAIRE (NPI 1023400819) is a healthcare organization registered as an obstetrics & gynecology in Eau Claire, Wisconsin and active in the NPI registry since March 2015. The organization holds a CLIA Microscopy certificate valid through October 27, 2026 and lists Chris R Longbella, Director, as its authorized official.

NPPES Registry Identity

NPI1023400819
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameOAKLEAF CLINICS SC
Location Address1110 OAK RIDGE DREau Claire, WI 54701-6133
Mailing Address719 W Hamilton Ave Ste BEau Claire, WI 54701-6970 · (715) 552-9784 · Fax (715) 835-6370
Fax(715) 834-9833
Organization SubpartYesParent: Oakleaf Clinics, Sc
Authorized OfficialChris R LongbellaDirector · (715) 836-9242
Enumeration DateMarch 3, 2015
Last NPPES UpdateJanuary 28, 2021
NPPES CertifiedJanuary 28, 2021
✔ NPI 1023400819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X
1110 OAK RIDGE DR, Eau Claire, WI 54701

Other Names 1

Doing Business AsOakleaf Clinics, Sc - Ob-gyn Clinic Of Eau Claire

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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, Sc - Ob-gyn Clinic Of Eau Claire is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

97

Medicare enrollment records show 97 clinicians reassign Medicare billing to Oakleaf Clinics, Sc - Ob-Gyn Clinic Of Eau Claire, which bills Medicare for the services they deliver. Of these, 72 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 18

Nurse Practitioner47
Family Practice14
Internal Medicine9
Obstetrics/Gynecology6
Certified Nurse Midwife (CNM)5
Dermatology2
Pediatric Medicine2
Registered Dietitian or Nutrition Professional2
10 other specialties10

Nearest to this location (20)

See all 97
Nurse Practitioner
NPI 1720708803
2116 CRAIG RD
Eau Claire, WI 54701
(715) 858-4500
✔ PECOS✔ Accepts Medicare0.2 mi
Nurse Practitioner
NPI 1194387035
617 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 834-2788
✔ PECOS✔ Accepts Medicare0.7 mi
Podiatry
NPI 1053817379
617 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 834-2788
✔ PECOS✔ Accepts Medicare0.7 mi
Nurse Practitioner
NPI 1528315116
617 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 834-2788
✔ PECOS✔ Accepts Medicare0.7 mi
Family Practice
NPI 1326154576
617 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 834-2788
✔ PECOS✔ Accepts Medicare0.7 mi
Family Practice
NPI 1033225297
617 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 834-0711
✔ PECOS✔ Accepts Medicare0.7 mi
Family Practice
NPI 1154901353
617 W CLAIREMONT AVE
Eau Claire, WI 54701
(715) 834-2788
✔ PECOS✔ Accepts Medicare0.7 mi
Nurse Practitioner
NPI 1033957873
3131 STEIN BLVD
Eau Claire, WI 54701
(715) 830-0732
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1164772877
3131 STEIN BLVD
Eau Claire, WI 54701
(715) 830-0732
✔ PECOS0.8 mi
Obstetrics/Gynecology
NPI 1174937908
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Certified Nurse Midwife (CNM)
NPI 1154003366
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Family Practice
NPI 1568453512
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Certified Nurse Midwife (CNM)
NPI 1982366548
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Pediatric Medicine
NPI 1609812981
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 830-0732
✔ PECOS0.9 mi
Obstetrics/Gynecology
NPI 1366769713
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Obstetrics/Gynecology
NPI 1992804413
3213 STEIN BLVD.
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Obstetrics/Gynecology
NPI 1952496457
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Certified Nurse Midwife (CNM)
NPI 1013778828
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Certified Nurse Midwife (CNM)
NPI 1467876433
3213 STEIN BLVD
Eau Claire, WI 54701
(715) 836-9242
✔ PECOS✔ Accepts Medicare0.9 mi
Internal Medicine
NPI 1740240076
714 W HAMILTON AVE
Eau Claire, WI 54701
(715) 830-9990
✔ PECOS✔ Accepts Medicare0.9 mi
See all 97 clinicians

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 for Provider-Performed Microscopy Procedures (PPMP) 52D2015497

Oakleaf Clinics - Ob-Gyn · Eau Claire, WI
Active · expires Oct 27, 2026
CLIA Number52D2015497
Laboratory TypePhysician Office
Certificate Effective DateOctober 28, 2024
Certificate Expiration DateOctober 27, 2026
Laboratory DirectorDr. Chris R. Longbella
Laboratory Phone(715) 836-9242
Laboratory LocationOakleaf Clinics - Ob-Gyn3213 Stein Blvd, Eau Claire, WI 54701
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Oakleaf Clinics Sc's NPI number?

The NPI number for Oakleaf Clinics Sc is 1023400819. It was assigned to this organization in the NPPES registry on March 3, 2015. The provider is doing business as Oakleaf Clinics, Sc - Ob-Gyn Clinic Of Eau Claire.

Where is Oakleaf Clinics Sc located?

Oakleaf Clinics Sc is located at 1110 Oak Ridge Dr, Eau Claire, WI 54701. The listed phone number is (715) 834-9998.

What is Oakleaf Clinics Sc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Oakleaf Clinics Sc enrolled in Medicare?

Yes. Oakleaf Clinics Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oakleaf Clinics Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 97 clinicians in 18 Medicare specialties reassign their Medicare billing to Oakleaf Clinics Sc. 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, 72 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Oakleaf Clinics Sc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 52D2015497) is associated with this NPI, valid through October 27, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Oakleaf Clinics Sc was last updated on January 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.