Karl Pennau, MD
NPI 1487636536 · Orthopaedic Surgery Physician · Fond Du Lac, WI
Karl Pennau, MD is a Orthopaedic Surgery Physician provider in Fond Du Lac, WI (NPI 1487636536).
Provider details
- NPI number
- 1487636536
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 24240 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-11-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karl Pennau's NPI number?
- Karl Pennau's National Provider Identifier (NPI) is 1487636536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Pennau's specialty?
- Karl Pennau is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Pennau located?
- Karl Pennau's practice location on file with NPPES is 421 Camelot Dr, Fond Du Lac, WI 54935-4560.
- What is Karl Pennau's phone number?
- The practice phone number listed in the NPPES registry for Karl Pennau is (920) 926-8616.
- Is Karl Pennau's NPI active?
- Yes — Karl Pennau's NPI (1487636536) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.