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OAKLEAF CLINICS INC
NPI 1295127082
Internal Medicine in Eau Claire, WI

Active since March 03, 2015CLIA 52D0989506 · Certificate of Compliance
3802 OAKWOOD MALL DR, EAU CLAIRE, WI 54701(715) 839-9280(715) 839-9348 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 15, 2025, Dec 12, 2025, Sep 21, 2022 and 3 more (6 updates tracked since 2017).

About Oakleaf Clinics Inc NPPES

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

OAKLEAF CLINICS INC (NPI 1295127082), doing business as Oakleaf Clinics, Eau Claire Medical Clinic, 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 Certificate of Compliance certificate valid through February 12, 2027, maintains a secondary practice location in Chippewa Falls, and lists Chris R Longbella, Director, as its authorized official.

NPPES Registry Identity

NPI1295127082
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameOAKLEAF CLINICS INC
Location Address3802 OAKWOOD MALL DREau Claire, WI 54701-3016
Mailing Address2403 Folsom StEau Claire, WI 54703-2435 · (715) 552-9784 · Fax (715) 835-6370
Phone(715) 839-9280
Fax(715) 839-9348
Organization SubpartYes
Authorized OfficialChris R LongbellaDirector · (715) 836-9242
Enumeration DateMarch 3, 2015
Last NPPES UpdateDecember 15, 20256 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
✔ NPI 1295127082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 13

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedNutritionist · Nutrition, EducationTaxonomy 133NN1002X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X
Also ListedPediatricsTaxonomy 208000000X
Also ListedNurse PractitionerTaxonomy 363L00000X
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X
3802 OAKWOOD MALL DR, Eau Claire, WI 54701
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Other Names 1

Doing Business AsOakleaf Clinics, Eau Claire Medical Clinic

Secondary Practice Location 1

Location 1855 Lakeland DrChippewa Falls, WI 54729-1687 · Phone (715) 839-9280

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Quartz, Security Health Plan.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 Inc 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 Inc, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 72 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
Jenifer Bassett, M.D.
Internal Medicine
NPI 1376503615
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts MedicareSame address
Carey Boehm, RN, APNP-CSC
Nurse Practitioner
NPI 1174773394
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts MedicareSame address
Melanie Butak, FNP
Nurse Practitioner
NPI 1649689233
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts MedicareSame address
William Cayley, MD MDIV
Family Practice
NPI 1053340067
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts MedicareSame address
Ann Gordon, G.N.P.
Nurse Practitioner
NPI 1245776731
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts MedicareSame address
Jason Bydash, D.O.
Nephrology
NPI 1669628632
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Aron Adkins, MD
Endocrinology
NPI 1336246529
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Kyle Dettbarn, MD
Internal Medicine
NPI 1558301465
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Emad Dodin, MD
Interventional Cardiology
NPI 1295929255
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Adriane Gianlupi, MD
Pulmonary Disease
NPI 1326121773
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Lisa Glasgow, APNP
Nurse Practitioner
NPI 1912827155
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS0.3 mi
Katherine Goodenough, APNP
Nurse Practitioner
NPI 1982849535
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Thomas Hunt, MD
Family Practice
NPI 1013003060
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Ellen Jacobs, NP
Nurse Practitioner
NPI 1568193910
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Anton Kidess, MD
Internal Medicine
NPI 1518914860
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Mihailo Lalich, MD
Internal Medicine
NPI 1891744652
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Rajesh Maddikunta, M.D
Cardiovascular Disease (Cardiology)
NPI 1588840482
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Wells Mangrum, M.D.
Diagnostic Radiology
NPI 1871768457
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 mi
Bridget Segerstrom, RD, CD
Registered Dietitian or Nutrition Professional
NPI 1407300528
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ Accepts Medicare0.3 mi
Kristin Severson-Solberg, DO
Geriatric Medicine
NPI 1245201532
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
(715) 839-9280
✔ PECOS✔ Accepts Medicare0.3 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 of Compliance 52D0989506

Oakleaf Clinics Sc · Eau Claire, WI
Active · expires Feb 12, 2027
CLIA Number52D0989506
Laboratory TypePhysician Office
Certificate Effective DateFebruary 13, 2025
Certificate Expiration DateFebruary 12, 2027
Laboratory DirectorDr. Robert V. Ridenour III
Laboratory Phone(715) 839-9280
Laboratory LocationOakleaf Clinics Sc3802 W Oakwood Mall Dr, Eau Claire, WI 54701
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 Oakleaf Clinics Inc's NPI number?

The NPI number for Oakleaf Clinics Inc is 1295127082. It was assigned to this organization in the NPPES registry on March 3, 2015. The provider is doing business as Oakleaf Clinics, Eau Claire Medical Clinic.

Where is Oakleaf Clinics Inc located?

Oakleaf Clinics Inc is located at 3802 Oakwood Mall Dr, Eau Claire, WI 54701. The listed phone number is (715) 839-9280.

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, 5 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 Compliance (number 52D0989506) is associated with this NPI, valid through February 12, 2027. 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, 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 December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.