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DR. KENNETH J KELLNER MD
NPI 1720195258
Internal Medicine in Marinette, WI

Active since August 23, 2006
4061 OLD PESHTIGO RD, MARINETTE, WI 54143(715) 732-8000 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Kenneth J Kellner Md NPPES

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

DR. KENNETH J KELLNER MD (NPI 1720195258) is an individual internal medicine provider in Marinette, Wisconsin, licensed in Illinois (36075969) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1720195258
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KENNETH J KELLNERCredential: MD
Location Address4061 OLD PESHTIGO RDMarinette, WI 54143
Mailing Address3301 W Forest Home AveMilwaukee, WI 53215-2843 · (414) 647-6326 · Fax (414) 671-8860
Phone(715) 732-8000
Sole ProprietorNo
Enumeration DateAugust 23, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1720195258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 36075969
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 ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License 30271 (WI)

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.

DR. JOHN F NIELSEN M.D.
Family Medicine
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8050
DRAGANA DURDEVIC
Internal Medicine
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8000
ASHLEY M GAUTHIER LCSW
Social Worker (Clinical)
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8050
AURORA MEDICAL GROUP, INC
Clinic/Center (Ambulatory Surgical)
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8000
DR. BILAL SHAIKH M.D
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8000
DR. ROBERT P DIZOR MD
Radiology (Diagnostic Radiology)
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8000
KATHERYN A BUTTON PT
Physical Therapist
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8000
DR. MRIDANI CHOUDHURY M.D.
Family Medicine
4061 OLD PESHTIGO RD
MARINETTE, WI 54143
Marinette County (715) 732-8130

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 Kenneth Kellner's NPI number?

The NPI number for Kenneth Kellner is 1720195258. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Kenneth Kellner located?

Kenneth Kellner practices at 4061 Old Peshtigo Rd, Marinette, WI 54143. The listed phone number is (715) 732-8000.

What is Kenneth Kellner'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 Kenneth Kellner was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.