Marguerite Callahan, APN
NPI 1215030564 · Adult Health Nurse Practitioner · Nashville, TN
Marguerite Callahan, APN is a Adult Health Nurse Practitioner provider in Nashville, TN (NPI 1215030564).
Provider details
- NPI number
- 1215030564
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7163 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-09-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marguerite Callahan's NPI number?
- Marguerite Callahan's National Provider Identifier (NPI) is 1215030564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marguerite Callahan's specialty?
- Marguerite Callahan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marguerite Callahan located?
- Marguerite Callahan's practice location on file with NPPES is 1310 24th Avenue South, Nashville, TN 37212.
- What is Marguerite Callahan's phone number?
- The practice phone number listed in the NPPES registry for Marguerite Callahan is (615) 340-2340.
- Is Marguerite Callahan's NPI active?
- Yes — Marguerite Callahan's NPI (1215030564) 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.