Ellen Callahan, CPNP
NPI 1184065443 · Pediatric Nurse Practitioner · Andover, MA
Ellen Callahan, CPNP is a Pediatric Nurse Practitioner provider in Andover, MA (NPI 1184065443).
Provider details
- NPI number
- 1184065443
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2277495 (MA)
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
12 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
- 2013-07-15
- Last updated
- 2018-09-13
Frequently asked questions
- What is Ellen Callahan's NPI number?
- Ellen Callahan's National Provider Identifier (NPI) is 1184065443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Callahan's specialty?
- Ellen Callahan is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ellen Callahan located?
- Ellen Callahan's practice location on file with NPPES is 180 Main St, Andover, MA 01810-4166.
- What is Ellen Callahan's phone number?
- The practice phone number listed in the NPPES registry for Ellen Callahan is (978) 749-4460.
- Is Ellen Callahan's NPI active?
- Yes — Ellen Callahan's NPI (1184065443) is active in the NPPES registry as of the last update on 2018-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.