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PROHEALTH MEDICAL GROUP INC
NPI 1922149707
Internal Medicine in Oconomowoc, WI

Active since February 12, 2007CLIA Certified · 2 labs
1185 CORPORATE CENTER DR, OCONOMOWOC, WI 53066(262) 928-8400(262) 928-8484 Get Directions Write a Review

NPPES record last updated: May 24, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 24, 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 1922149707) is a healthcare organization registered as an internal medicine in Oconomowoc, Wisconsin and active in the NPI registry since February 2007. The organization holds 2 active CLIA laboratory certificates and lists Peter Geiss, Md, President, as its authorized official.

NPPES Registry Identity

NPI1922149707
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH MEDICAL GROUP INC
Location Address1185 CORPORATE CENTER DROconomowoc, WI 53066-4845
Mailing AddressN17w24100 Riverwood Dr, Suite 250Waukesha, WI 53188-1177 · (262) 928-4100 · Fax (262) 928-5835
Phone(262) 928-8400
Fax(262) 928-8484
Organization SubpartYes
Authorized OfficialPeter Geiss, MdPresident · (262) 928-8669
Enumeration DateFebruary 12, 2007
Last NPPES UpdateMay 24, 20222 updates tracked since enumeration
NPPES CertifiedMay 24, 2022
✔ NPI 1922149707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ 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 ListedDermatologyTaxonomy 207N00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedPediatricsTaxonomy 208000000X
1185 CORPORATE CENTER DR, Oconomowoc, WI 53066
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Other Identifiers 2

Other0505180007WI · Dme
Medicaid32869500WI

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

CLIA Laboratory Certificates CMS CLIA 2

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 Waiver 52D2005007

Prohealth Medical Group, Inc - Occupational Health Services Oconomowoc · Oconomowoc, WI
Active · expires Sep 20, 2026
CLIA Number52D2005007
Laboratory TypeIndustrial
Certificate Effective DateSeptember 21, 2024
Certificate Expiration DateSeptember 20, 2026
Laboratory DirectorDr. Sandra G. Amadon
Laboratory Phone(262) 928-8400
Laboratory LocationProhealth Medical Group, Inc - Occupational Health Services Oconomowoc1185 Corporate Center Drive, Suite 150, Oconomowoc, WI 53066
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 52D0890378

Prohealth Medical Group, Inc - Oconomowoc · Oconomowoc, WI
Active · expires Aug 16, 2026
CLIA Number52D0890378
Laboratory TypePhysician Office
Certificate Effective DateAugust 17, 2024
Certificate Expiration DateAugust 16, 2026
Laboratory DirectorDr. David D. Schlomer
Laboratory Phone(262) 928-8400
Laboratory LocationProhealth Medical Group, Inc - Oconomowoc1185 Corporate Center Dr, Suite 175, Oconomowoc, WI 53066
CLIA data matches this NPI record on: Address Name Phone
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALISHA F MELL OT
Occupational Therapist
1185 CORPORATE CENTER DR, SUITE 155
OCONOMOWOC, WI 53066
Waukesha County (262) 567-5385
SARAH JEAN SANFORD-SMITH MSN FNP-C
Nurse Practitioner (Family)
1185 CORPORATE CENTER DR
OCONOMOWOC, WI 53066
Waukesha County (262) 928-8400
BRETT A. LINZER M.D.
Internal Medicine
1185 CORPORATE CENTER DR, PROHEALTH CARE MEDICAL ASSOCIATES, INC.
OCONOMOWOC, WI 53066
Waukesha County (262) 928-8400
FIRAS GHANEM M.D.
Internal Medicine (Cardiovascular Disease)
1185 CORPORATE CENTER DR
OCONOMOWOC, WI 53066
Waukesha County (262) 928-8800
LAKE COUNTRY ENDOSCOPY CENTER, LLC
Clinic/Center (Ambulatory Surgical)
1185 CORPORATE CENTER DR, SUITE 125
OCONOMOWOC, WI 53066
Waukesha County (414) 454-0600
LAUREN S OLSON APRN
Nurse Practitioner (Family)
1185 CORPORATE CENTER DR
OCONOMOWOC, WI 53066
Waukesha County (262) 928-8484
JOAN ELIZABETH SHELLEY N.P.
Nurse Practitioner (Adult Health)
1185 CORPORATE CENTER DR, SUITE 300
OCONOMOWOC, WI 53066
Waukesha County (262) 567-5190
JAMES MITCHELL POWELL DC
Chiropractor
1185 CORPORATE CENTER DR
OCONOMOWOC, WI 53066
Waukesha County (262) 928-8411

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 1922149707. 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 1185 Corporate Center Dr, Oconomowoc, WI 53066. The listed phone number is (262) 928-8400.

What is Prohealth Medical Group Inc's specialty?

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

Does Prohealth Medical Group Inc hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Prohealth Medical Group Inc was last updated on May 24, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.