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PROHEALTH MEDICAL GROUP INC
NPI 1114068970
Internal Medicine in Muskego, WI

Active since February 12, 2007CLIA 52D0389582 · Microscopy
S69W15636 JANESVILLE RD, MUSKEGO, WI 53150(262) 928-7000(414) 422-2075 Get Directions Write a Review

NPPES record last updated: May 23, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2022, Sep 8, 2021 (2 updates tracked since 2021).

About Prohealth Medical Group Inc NPPES

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

PROHEALTH MEDICAL GROUP INC (NPI 1114068970) is a healthcare organization registered as an internal medicine in Muskego, Wisconsin and active in the NPI registry since February 2007. The organization holds a CLIA Microscopy certificate valid through February 9, 2028 and lists Peter Geiss, Md, President, as its authorized official.

NPPES Registry Identity

NPI1114068970
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH MEDICAL GROUP INC
Location AddressS69W15636 JANESVILLE RDMuskego, WI 53150-9330
Mailing AddressN17w24100 Riverwood Dr, Suite 250Waukesha, WI 53188-1177 · (262) 928-4100 · Fax (262) 928-5835
Phone(262) 928-7000
Fax(414) 422-2075
Organization SubpartYes
Authorized OfficialPeter Geiss, MdPresident · (262) 928-8669
Enumeration DateFebruary 12, 2007
Last NPPES UpdateMay 23, 20222 updates tracked since enumeration
NPPES CertifiedMay 23, 2022
✔ NPI 1114068970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ 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 ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedPediatricsTaxonomy 208000000X
S69W15636 JANESVILLE RD, Muskego, WI 53150
Open in Google Maps ↗

Other Identifiers 2

Other0505180004WI · Dme
Medicaid32819000WI

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)

Prohealth Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

527

Medicare enrollment records show 527 clinicians reassign Medicare billing to Prohealth Medical Group Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 246 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 41

Nurse Practitioner174
Family Practice83
Clinical Social Worker26
Diagnostic Radiology25
Physical Therapist in Private Practice20
Internal Medicine19
Mental Health Counselor18
Cardiovascular Disease (Cardiology)14
33 other specialties148

Nearest to this location (20)

See all 527
Joy Zganjar
Nurse Practitioner
NPI 1891395109
S69W15636 JANESVILLE RD
Muskego, WI 53150
(262) 928-7000
✔ PECOS✔ Accepts MedicareSame address
Carrie Lapow, APNP
Nurse Practitioner
NPI 1174596795
S69 W15636 JANESVILLE ROAD PROHEALTH CARE MEDICAL ASSOCIATES
Muskego, WI 53150
(262) 928-7000
✔ PECOS0.1 mi
Daniel Riordan, D.O.
Internal Medicine
NPI 1174545891
S69W15636 JANESVILLE RD
Muskego, WI 53150
(262) 928-7000
✔ PECOS✔ Accepts Medicare0.1 mi
Laurie Whorley, APNP
Nurse Practitioner
NPI 1609978196
S69W15636 JANESVILLE RD
Muskego, WI 53150
(262) 928-7000
✔ PECOS✔ Accepts Medicare0.1 mi
James Chapman, M.D.
Internal Medicine
NPI 1073586913
S69 W15636 JANESVILLE ROAD PROHEALTH CARE MEDICAL ASSOCIATES, INC.
Muskego, WI 53150
(262) 928-7000
✔ PECOS✔ Accepts Medicare1.2 mi
Daniel Cheng, M.D.
Internal Medicine
NPI 1912970781
S69 W15636 JANESVILLE ROAD PROHEALTH CARE MEDICAL ASSOCIATES, INC.
Muskego, WI 53150
(262) 928-7000
✔ PECOS✔ Accepts Medicare1.2 mi
Kelsey Yets, MS, RD, CD
Registered Dietitian or Nutrition Professional
NPI 1285224683
15070 W SMALL RD
New Berlin, WI 53151
(262) 225-5903
2.2 mi
Chris Zukowski, M.D.
Pediatric Medicine
NPI 1144215484
4855 S MOORLAND RD SUITE 150
New Berlin, WI 53151
(414) 425-5660
✔ PECOS2.7 mi
Brooke Fula, NP
Nurse Practitioner
NPI 1376027664
4805 S MOORLAND RD
New Berlin, WI 53151
(262) 798-7200
✔ PECOS✔ Accepts Medicare2.7 mi
Jennifer Berger, APNP
Nurse Practitioner
NPI 1093181893
S75W20437 FIELD DR
Muskego, WI 53150
(262) 510-6350
✔ PECOS✔ Accepts Medicare3.0 mi
Sarah Geboy
Occupational Therapist in Private Practice
NPI 1538914437
5000 S 116TH ST
Greenfield, WI 53228
(414) 525-8400
3.8 mi
Jeffrey Winkoski, M.D.
Family Practice
NPI 1164495966
PROHEALTH CARE MEDICAL CENTERS-NEW BERLIN 13900 W NATIONAL AVENUE
New Berlin, WI 53151
(262) 928-4500
✔ PECOS✔ Accepts Medicare3.9 mi
Kimberly Little, M.D.
Family Practice
NPI 1598907685
9200 W LOOMIS RD
Franklin, WI 53132
(414) 529-9200
✔ PECOS✔ Accepts Medicare4.3 mi
Amy Clark, LCSW, SAC
Clinical Social Worker
NPI 1851898233
9200 W LOOMIS RD STE 217
Franklin, WI 53132
(414) 773-4312
✔ PECOS✔ Accepts Medicare4.3 mi
Krystyna Abdulla, DO
Emergency Medicine
NPI 1205146578
14555 W NATIONAL AVE
New Berlin, WI 53151
(262) 827-3636
✔ PECOS✔ Accepts Medicare4.5 mi
Nicole Crivello, APNP
Nurse Practitioner
NPI 1598098188
14555 W NATIONAL AVE
New Berlin, WI 53151
(708) 550-6604
✔ PECOS✔ Accepts Medicare4.6 mi
Jessica Buchberger, D.O.
Family Practice
NPI 1821483538
13900 W NATIONAL AVE
New Berlin, WI 53151
(262) 928-4500
✔ PECOS✔ Accepts Medicare4.9 mi
Kelsey Koenig
Family Practice
NPI 1558789313
13900 W NATIONAL AVE
New Berlin, WI 53151
(262) 928-4500
✔ PECOS✔ Accepts Medicare4.9 mi
Elizabeth Borst, PMHNP
Nurse Practitioner
NPI 1386922409
13900 W NATIONAL AVE
New Berlin, WI 53151
(262) 928-4036
✔ PECOS4.9 mi
Krisztian Nemeth, MD, PHD
Dermatology
NPI 1154741981
13900 W NATIONAL AVE
New Berlin, WI 53151
(262) 928-4500
✔ PECOS✔ Accepts Medicare4.9 mi
See all 527 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) 52D0389582

Prohealth Medical Group, Inc - Muskego · Muskego, WI
Active · expires Feb 9, 2028
CLIA Number52D0389582
Laboratory TypePhysician Office
Certificate Effective DateFebruary 10, 2026
Certificate Expiration DateFebruary 9, 2028
Laboratory DirectorDaniel Cheng, MD
Laboratory Phone(262) 513-7000
Laboratory LocationProhealth Medical Group, Inc - MuskegoS69 W15636 Janesville Rd, Muskego, WI 53150
CLIA data matches this NPI record on: Name
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 Prohealth Medical Group Inc's NPI number?

The NPI number for Prohealth Medical Group Inc is 1114068970. It was assigned to this organization in the NPPES registry on February 12, 2007.

Where is Prohealth Medical Group Inc located?

Prohealth Medical Group Inc is located at S69w15636 Janesville Rd, Muskego, WI 53150. The listed phone number is (262) 928-7000.

What is Prohealth Medical Group Inc's specialty?

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

Is Prohealth Medical Group Inc enrolled in Medicare?

Yes. Prohealth Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Prohealth Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 527 clinicians in 41 Medicare specialties reassign their Medicare billing to Prohealth Medical Group 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 (174), Family Practice (83) and Clinical Social Worker (26). Of these, 1 practice at this address and 246 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Prohealth Medical Group Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 52D0389582) is associated with this NPI, valid through February 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Prohealth Medical Group Inc was last updated on May 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.