MARK A GENNIS MD
NPI 1164570644
Internal Medicine in Milwaukee, WI

Active since January 08, 2007
1020 N 12TH ST, 2ND FLOOR, MILWAUKEE, WI 53233(414) 219-7724 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark A Gennis Md NPPES

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

MARK A GENNIS MD (NPI 1164570644) is an individual internal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (26971-020) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1164570644
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK A GENNISCredential: MD
Location Address1020 N 12TH ST, 2ND FLOORMilwaukee, WI 53233-1308
Mailing Address10133 N Sheridan DrMequon, WI 53092-6119 · (414) 241-8652
Sole ProprietorNo
Enumeration DateJanuary 8, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1164570644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WI · 26971-020
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.
1020 N 12TH ST, Milwaukee, WI 53233

Other Identifiers 1

Medicaid30676400WI

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.

Internal Medicine (Geriatric Medicine)
1020 N 12TH ST, 3RD FLOOR
MILWAUKEE, WI 53233
Nurse Practitioner
1020 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner (Pediatrics)
1020 N 12TH ST
MILWAUKEE, WI 53233
Clinical Neuropsychologist
1020 N 12TH ST
MILWAUKEE, WI 53233
Physical Therapist
1020 N 12TH ST
MILWAUKEE, WI 53233
Pharmacist
1020 N 12TH ST
MILWAUKEE, WI 53233
Counselor (Mental Health)
1020 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner
1020 N 12TH ST
MILWAUKEE, WI 53233

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 Mark Gennis's NPI number?

The NPI number for Mark Gennis is 1164570644. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Mark Gennis located?

Mark Gennis practices at 1020 N 12th St 2nd Floor, Milwaukee, WI 53233. The listed phone number is (414) 219-7724.

What is Mark Gennis's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Gennis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.