Karen Fennema, MD
NPI 1477520112 · Family Medicine Physician · Madison, WI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Fennema, MD is a Family Medicine Physician provider in Madison, WI (NPI 1477520112).
Provider details
- NPI number
- 1477520112
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 26288 (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
- 2006-03-01
- Last updated
- 2009-09-01
Frequently asked questions
- What is Karen Fennema's NPI number?
- Karen Fennema's National Provider Identifier (NPI) is 1477520112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Fennema's specialty?
- Karen Fennema is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Fennema located?
- Karen Fennema's practice location on file with NPPES is 1 Science Court, Madison, WI 53711.
- What is Karen Fennema's phone number?
- The practice phone number listed in the NPPES registry for Karen Fennema is (608) 284-6360.
- Does Karen Fennema accept Medicare?
- Karen Fennema is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Fennema's NPI active?
- Yes — Karen Fennema's NPI (1477520112) is active in the NPPES registry as of the last update on 2009-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.