Kenneth Kellner, MD
NPI 1720195258 · Internal Medicine Physician · Marinette, WI
Kenneth Kellner, MD is a Internal Medicine Physician provider in Marinette, WI (NPI 1720195258).
Provider details
- NPI number
- 1720195258
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36075969 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2025-09-11
Frequently asked questions
- What is Kenneth Kellner's NPI number?
- Kenneth Kellner's National Provider Identifier (NPI) is 1720195258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Kellner's specialty?
- Kenneth Kellner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Kellner located?
- Kenneth Kellner's practice location on file with NPPES is 4061 Old Peshtigo Rd, Marinette, WI 54143.
- What is Kenneth Kellner's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Kellner is (715) 732-8000.
- Is Kenneth Kellner's NPI active?
- Yes — Kenneth Kellner's NPI (1720195258) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.