IndividualActive
Marganne Callahan, R.N.
NPI 1366789752 · Registered Nurse · Franklin, WI
Marganne Callahan, R.N. is a Registered Nurse provider in Franklin, WI (NPI 1366789752).
Provider details
- NPI number
- 1366789752
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 187203-30 (WI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
6580 S 46th St
Franklin, WI 53132-8153
Phone: (414) 421-0276
Street-level locationGet directions
Mailing address
2605 N University Dr
Waukesha, WI 53188-1408
Registry dates
- Enumerated
- 2013-01-06
- Last updated
- 2013-01-06
Frequently asked questions
- What is Marganne Callahan's NPI number?
- Marganne Callahan's National Provider Identifier (NPI) is 1366789752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marganne Callahan's specialty?
- Marganne Callahan is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Marganne Callahan located?
- Marganne Callahan's practice location on file with NPPES is 6580 S 46th St, Franklin, WI 53132-8153.
- What is Marganne Callahan's phone number?
- The practice phone number listed in the NPPES registry for Marganne Callahan is (414) 421-0276.
- Is Marganne Callahan's NPI active?
- Yes — Marganne Callahan's NPI (1366789752) is active in the NPPES registry as of the last update on 2013-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.