PATHOLOGY SERVICE CORPORATION
NPI 1972561140
Pathology - Anatomic Pathology & Clinical Pathology in Eau Claire, WI

Q: What is Pathology Service Corporation's NPI number?

The NPI number for Pathology Service Corporation is 1972561140. It was assigned to this organization in the NPPES registry on May 3, 2006.

Q: What is Pathology Service Corporation's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since May 03, 2006

3902 OAKWOOD HILLS PKWY STE 2, EAU CLAIRE, WI 54701(715) 858-3260 Get Directions Write a Review

NPPES record last updated: April 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Pathology Service Corporation NPPES

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

PATHOLOGY SERVICE CORPORATION (NPI 1972561140) is a healthcare organization registered as an anatomic pathology & clinical pathology in Eau Claire, Wisconsin and active in the NPI registry since May 2006. The organization lists Robert V Ridenour, Pathologist - President, as its authorized official.

NPPES Registry Identity

NPI1972561140

Entity TypeOrganization

Primary Taxonomy207ZP0102X

Legal Business NamePATHOLOGY SERVICE CORPORATION

Location Address3902 OAKWOOD HILLS PKWY STE 2Eau Claire, WI 54701-7781

Mailing Address1235 Menomonie St Ste BEau Claire, WI 54703-5974 · (715) 832-6445

Phone(715) 858-3260

Organization SubpartNo

Authorized OfficialRobert V RidenourPathologist - President · (715) 858-3260

Enumeration DateMay 3, 2006

Last NPPES UpdateApril 26, 2025

NPPES CertifiedApril 26, 2025

✔ NPI 1972561140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedPathology · Blood Banking & Transfusion MedicineTaxonomy 207ZB0001X

Also ListedPathology · DermatopathologyTaxonomy 207ZD0900X

Also ListedPathology · HematologyTaxonomy 207ZH0000X

Also ListedPathology · ImmunopathologyTaxonomy 207ZI0100X

Also ListedPathology · NeuropathologyTaxonomy 207ZN0500X

Also ListedPathology · Chemical PathologyTaxonomy 207ZP0104X

Also ListedPathology · Clinical Pathology/Laboratory MedicineTaxonomy 207ZP0105X

Also ListedPathology · Pediatric PathologyTaxonomy 207ZP0213X

3902 OAKWOOD HILLS PKWY STE 2, Eau Claire, WI 54701

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Other Identifiers 1

Medicaid32692700WI

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 MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

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

Pathology Service Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Pathology Service Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Robert Ridenour, MD

Pathology

NPI 1154342392

3902 OAKWOOD HILLS PKWY STE 2
Eau Claire, WI 54701

(715) 858-3260

✔ PECOS✔ Accepts MedicareSame address

Greg Heiler, MD

Pathology

NPI 1134173156

900 WEST CLAIREMONT AVENUE
Eau Claire, WI 54701

(715) 839-4121

✔ PECOS✔ Accepts Medicare3.3 mi

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

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 Pathology Service Corporation's NPI number?

The NPI number for Pathology Service Corporation is 1972561140. It was assigned to this organization in the NPPES registry on May 3, 2006.

Where is Pathology Service Corporation located?

Pathology Service Corporation is located at 3902 Oakwood Hills Pkwy Ste 2, Eau Claire, WI 54701. The listed phone number is (715) 858-3260.

What is Pathology Service Corporation's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Pathology Service Corporation enrolled in Medicare?

Yes. Pathology Service Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pathology Service Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Pathology, reassign their Medicare billing to Pathology Service Corporation. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Pathology Service Corporation accept?

Health plans from Anthem Blue Cross and Blue Shield and Quartz list Pathology Service Corporation 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 Pathology Service Corporation was last updated on April 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.