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PROHEALTH MEDICAL GROUP INC
NPI 1629119417
Internal Medicine in Watertown, WI

Active since February 12, 2007CLIA 52D0892442 · Microscopy
109 AIR PARK DR, WATERTOWN, WI 53094(262) 928-5100(262) 928-5111 Get Directions Write a Review

NPPES record last updated: May 23, 2022. Verified against the NPPES registry weekly; last sync: August 09, 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 1629119417) is a healthcare organization registered as an internal medicine in Watertown, Wisconsin and active in the NPI registry since February 2007. The organization holds a CLIA Microscopy certificate valid through November 14, 2026 and lists Peter Geiss, Md, President, as its authorized official.

NPPES Registry Identity

NPI1629119417
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH MEDICAL GROUP INC
Location Address109 AIR PARK DRWatertown, WI 53094-7400
Mailing AddressN17w24100 Riverwood Dr, Suite 250Waukesha, WI 53188-1177 · (262) 928-4100 · Fax (262) 928-5835
Phone(262) 928-5100
Fax(262) 928-5111
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 1629119417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ 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 ListedAllergy & ImmunologyTaxonomy 207K00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X
109 AIR PARK DR, Watertown, WI 53094
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Other Identifiers 2

Other0505180009WI · Dme
Medicaid32877500WI

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

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) 52D0892442

Prohealth Medical Group, Inc - Watertown · Watertown, WI
Active · expires Nov 14, 2026
CLIA Number52D0892442
Laboratory TypePhysician Office
Certificate Effective DateNovember 15, 2024
Certificate Expiration DateNovember 14, 2026
Laboratory DirectorDr. Edward F. Frost
Laboratory Phone(920) 262-7444
Laboratory LocationProhealth Medical Group, Inc - Watertown109 Air Park Dr, Watertown, WI 53094
CLIA data matches this NPI record on: Address 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.

Other Providers at the Same Location NPPES 5

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

EDWARD FAIRFAX FROST MD
Internal Medicine
109 AIR PARK DR, PROHEALTH CARE MEDICAL ASSOCIATES INC.
WATERTOWN, WI 53094
Jefferson County (262) 928-5100
MRS. JEWEL E SCHNEIDER APNP
Nurse Practitioner
109 AIR PARK DR
WATERTOWN, WI 53094
Jefferson County (920) 262-7444
CHERRI A SCHLEICHER APNP
Nurse Practitioner (Family)
109 AIR PARK DR, CORPORATE HEALTH SERVICES WATERTOWN
WATERTOWN, WI 53094
Jefferson County (262) 928-5100
CATHERINE L ONSRUD FNP
Nurse Practitioner (Family)
109 AIR PARK DR, PROHEALTH CARE MEDICAL CENTERS WATERTOWN
WATERTOWN, WI 53094
Jefferson County (262) 928-5100
DEIRDRE DUFFY M.D.
Obstetrics & Gynecology
109 AIR PARK DR
WATERTOWN, WI 53094
Jefferson County (262) 928-5100

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 1629119417. 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 109 Air Park Dr, Watertown, WI 53094. The listed phone number is (262) 928-5100.

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 a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 52D0892442) is associated with this NPI, valid through November 14, 2026. 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.