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WEST SUBURBAN CTR FOR ARTHRITIS
NPI 1407857188
Internal Medicine - Rheumatology in Waukesha, WI

Active since August 03, 2005CLIA 52D0389833 · Certificate of Compliance
20800 SWENSON DR STE 175, WAUKESHA, WI 53186(262) 785-0777(262) 785-0610 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 2, 2026, Dec 30, 2025, Dec 5, 2022 (3 updates tracked since 2022).

About West Suburban Ctr For Arthritis NPPES

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

WEST SUBURBAN CTR FOR ARTHRITIS (NPI 1407857188) is a healthcare organization registered as a rheumatology in Waukesha, Wisconsin and active in the NPI registry since August 2005. The organization holds a CLIA Certificate of Compliance certificate valid through August 17, 2027 and lists Amy Hehn, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1407857188
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameWEST SUBURBAN CTR FOR ARTHRITIS
Location Address20800 SWENSON DR STE 175Waukesha, WI 53186-4000
Mailing Address20800 Swenson Dr Ste 175Waukesha, WI 53186-4000 · (262) 785-0777 · Fax (262) 785-0610
Phone(262) 785-0777
Fax(262) 785-0610
Organization SubpartNo
Authorized OfficialAmy HehnOffice Manager · (262) 785-1964
Enumeration DateAugust 3, 2005
Last NPPES UpdateFebruary 2, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 2, 2026
✔ NPI 1407857188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
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.
Also ListedSpecialistTaxonomy 174400000X
20800 SWENSON DR STE 175, Waukesha, WI 53186
Open in Google Maps ↗

Other Identifiers 1

Medicaid32805700WI

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, CareSource (Common Ground Healthcare), Dean 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)

West Suburban Ctr For Arthritis 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 Suburban Ctr For Arthritis, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Douglas Hempel, M.D.
Rheumatology
NPI 1164423844
20800 SWENSON DR STE 175
Waukesha, WI 53186
(262) 785-0777
✔ PECOS✔ Accepts MedicareSame address
Mark Pearson, M.D.
Rheumatology
NPI 1407857048
20800 SWENSON DR STE 175
Waukesha, WI 53186
(262) 785-0777
✔ PECOS✔ Accepts MedicareSame address
Kathleen Pugh, NP
Nurse Practitioner
NPI 1164978581
20800 SWENSON DR STE 175
Waukesha, WI 53186
(262) 785-0777
✔ PECOSSame address
Juliana Shah, APNP
Nurse Practitioner
NPI 1407211287
20800 SWENSON DR STE 175
Waukesha, WI 53186
(262) 785-1964
✔ PECOS✔ Accepts MedicareSame address
Carly Skamra, M.D.
Rheumatology
NPI 1275670275
20800 SWENSON DR STE 175
Waukesha, WI 53186
(262) 785-1964
✔ PECOS✔ Accepts MedicareSame address
Larry Pearson, M.D.
Rheumatology
NPI 1699776237
601 N BARKER RD 110
Brookfield, WI 53045
(262) 785-0777
✔ PECOS0.6 mi
Lindsey Simpson, A.P.N.P
Nurse Practitioner
NPI 1477838225
W146S7732 STAGS LEAP CT
Muskego, WI 53150
(414) 305-1392
✔ PECOS9.6 mi
Eric Anderson, MD
Rheumatology
NPI 1952763328
1185 CORPORATE CTR DR
Oconomowoc, WI 53066
(262) 785-0777
✔ PECOS✔ Accepts Medicare15 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 52D0389833

West Suburban Center For Arthritis · Waukesha, WI
Active · expires Aug 17, 2027
CLIA Number52D0389833
Laboratory TypePhysician Office
Certificate Effective DateAugust 18, 2025
Certificate Expiration DateAugust 17, 2027
Laboratory DirectorDr. Mark E. Pearson
Laboratory Phone(262) 785-0777
Laboratory LocationWest Suburban Center For Arthritis20800 Swenson Dr Ste 175, Waukesha, WI 53186
CLIA data matches this NPI record on: Address 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 Suburban Ctr For Arthritis's NPI number?

The NPI number for West Suburban Ctr For Arthritis is 1407857188. It was assigned to this organization in the NPPES registry on August 3, 2005.

Where is West Suburban Ctr For Arthritis located?

West Suburban Ctr For Arthritis is located at 20800 Swenson Dr Ste 175, Waukesha, WI 53186. The listed phone number is (262) 785-0777.

What is West Suburban Ctr For Arthritis's specialty?

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

Is West Suburban Ctr For Arthritis enrolled in Medicare?

Yes. West Suburban Ctr For Arthritis is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through West Suburban Ctr For Arthritis?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to West Suburban Ctr For Arthritis. 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 Rheumatology (5) and Nurse Practitioner (3). Of these, 5 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does West Suburban Ctr For Arthritis hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 52D0389833) is associated with this NPI, valid through August 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does West Suburban Ctr For Arthritis accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Dean Health Plan list West Suburban Ctr For Arthritis 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 Suburban Ctr For Arthritis was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.