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INTERNAL MEDICINE CLINIC
NPI 1740425057
Internal Medicine in Prairie Du Sac, WI

Active since December 16, 2008
260 26TH ST, PRAIRIE DU SAC, WI 53578(608) 643-3311 Get Directions Write a Review

NPPES record last updated: February 22, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Internal Medicine Clinic NPPES

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

INTERNAL MEDICINE CLINIC (NPI 1740425057) is a healthcare organization registered as an internal medicine in Prairie Du Sac, Wisconsin and active in the NPI registry since December 2008. The organization lists James Dregney, Cfo, as its authorized official.

NPPES Registry Identity

NPI1740425057
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSAUK PRAIRIE HEALTHCARE INC
Location Address260 26TH STPrairie Du Sac, WI 53578-1599
Mailing AddressPo Box 160Prairie Du Sac, WI 53578-0160 · (608) 643-3311
Phone(608) 643-3311
Organization SubpartNo
Authorized OfficialJames DregneyCfo · (608) 643-7212
Enumeration DateDecember 16, 2008
Last NPPES UpdateFebruary 22, 2018
✔ NPI 1740425057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
260 26TH ST, Prairie Du Sac, WI 53578
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Other Names 1

Other NameInternal Medicine Clinic

Other Identifiers 2

OtherDA6064Railroad Medicare
Medicaid100001867WI

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, Aspirus Health Plan, Dean Health Plan and more.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)

Internal Medicine Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

110

Medicare enrollment records show 110 clinicians reassign Medicare billing to Internal Medicine Clinic, which bills Medicare for the services they deliver. Of these, 24 practice at this address and 46 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 19

Family Practice31
Nurse Practitioner26
Emergency Medicine13
Internal Medicine9
Orthopedic Surgery6
General Surgery3
Hospitalist3
Mental Health Counselor3
11 other specialties16

Nearest to this location (20)

See all 110
Isaac Hoffmaster, RD
Registered Dietitian or Nutrition Professional
NPI 1568988376
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-7529
Same address
Matthew Hebert, M.D.
Orthopedic Surgery
NPI 1912983875
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-2471
✔ PECOS✔ Accepts MedicareSame address
James Armstrong, NP
Nurse Practitioner
NPI 1477518140
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-2471
✔ PECOS✔ Accepts MedicareSame address
Laura Bixby, APNP
Nurse Practitioner
NPI 1508520123
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Alicia Castillo, FNP
Nurse Practitioner
NPI 1720446248
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Denise Cole-Ouzounian, APNP
Certified Clinical Nurse Specialist (CNS)
NPI 1588226278
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Benjamin Cooper, MD
Orthopedic Surgery
NPI 1750810560
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Andrew Ertl, MD
Orthopedic Surgery
NPI 1679894943
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-2471
✔ PECOS✔ Accepts MedicareSame address
Kari Fisher, APNP
Nurse Practitioner
NPI 1609126887
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Jo Ellen Frawley, APNP
Nurse Practitioner
NPI 1184625816
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Alison Gorman, PSYD
Clinical Psychologist
NPI 1750144960
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Nathan Grunewald
Urology
NPI 1396044509
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Michael Lamson, M.D.
Orthopedic Surgery
NPI 1265418115
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-2471
✔ PECOS✔ Accepts MedicareSame address
Katherine Larson, MD
Internal Medicine
NPI 1417393661
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Wendy Ledesma, MD
Internal Medicine
NPI 1457538274
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Ann Moran, LPC, SAC
Mental Health Counselor
NPI 1134398514
260 26TH ST
Prairie Du Sac, WI 53578
(608) 000-0000
✔ PECOS✔ Accepts MedicareSame address
Jamie Soper, AU.D.
Qualified Audiologist
NPI 1457888109
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
Same address
Katherine Templeton, MD
Hospitalist
NPI 1417912536
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Susan Torhorst, MD
Family Practice
NPI 1730149048
260 26TH ST
Prairie Du Sac, WI 53578
(608) 643-3311
✔ PECOS✔ Accepts MedicareSame address
Eric Warbasse, MD
Emergency Medicine
NPI 1598734956
260 26TH ST SAUK PRAIRIE MEMORIAL HOSPITAL AND CLINICS
Prairie Du Sac, WI 53578
(608) 643-7206
✔ PECOSSame address
See all 110 clinicians

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 Sauk Prairie Healthcare Inc's NPI number?

The NPI number for Sauk Prairie Healthcare Inc is 1740425057. It was assigned to this organization in the NPPES registry on December 16, 2008. The provider is also known as Internal Medicine Clinic.

Where is Sauk Prairie Healthcare Inc located?

Sauk Prairie Healthcare Inc is located at 260 26th St, Prairie Du Sac, WI 53578. The listed phone number is (608) 643-3311.

What is Sauk Prairie Healthcare Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sauk Prairie Healthcare Inc enrolled in Medicare?

Yes. Sauk Prairie Healthcare Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sauk Prairie Healthcare Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 110 clinicians in 19 Medicare specialties reassign their Medicare billing to Sauk Prairie Healthcare 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 Family Practice (31), Nurse Practitioner (26) and Emergency Medicine (13). Of these, 24 practice at this address and 46 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Sauk Prairie Healthcare Inc accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan and Quartz list Sauk Prairie Healthcare 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 Sauk Prairie Healthcare Inc was last updated on February 22, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.