Johanna Ellefson, MD
NPI 1356283105 · Student in an Organized Health Care Education/Training Program · Madison, WI
Johanna Ellefson, MD is a Student in an Organized Health Care Education/Training Program provider in Madison, WI (NPI 1356283105).
Provider details
- NPI number
- 1356283105
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-04-08
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Johanna Ellefson's NPI number?
- Johanna Ellefson's National Provider Identifier (NPI) is 1356283105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Ellefson's specialty?
- Johanna Ellefson is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Johanna Ellefson located?
- Johanna Ellefson's practice location on file with NPPES is 749 University Row Ste 200, Madison, WI 53705-1465.
- What is Johanna Ellefson's phone number?
- The practice phone number listed in the NPPES registry for Johanna Ellefson is (608) 263-6400.
- Is Johanna Ellefson's NPI active?
- Yes — Johanna Ellefson's NPI (1356283105) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.