Catherine Harnois, MD
NPI 1922606433 · Diagnostic Radiology Physician · Madison, WI
Catherine Harnois, MD is a Diagnostic Radiology Physician provider in Madison, WI (NPI 1922606433).
Provider details
- NPI number
- 1922606433
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 73249 (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
5 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
- 2020-10-16
- Last updated
- 2021-03-19
- Certified
- 2021-03-19
Frequently asked questions
- What is Catherine Harnois's NPI number?
- Catherine Harnois's National Provider Identifier (NPI) is 1922606433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Harnois's specialty?
- Catherine Harnois is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Harnois located?
- Catherine Harnois's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Catherine Harnois's phone number?
- The practice phone number listed in the NPPES registry for Catherine Harnois is (608) 263-8310.
- Is Catherine Harnois's NPI active?
- Yes — Catherine Harnois's NPI (1922606433) is active in the NPPES registry as of the last update on 2021-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.