Eileen O'Holleran, MSN, CPNP
NPI 1528666203 · Pediatric Nurse Practitioner · South Hamilton, MA
Eileen O'Holleran, MSN, CPNP is a Pediatric Nurse Practitioner provider in South Hamilton, MA (NPI 1528666203).
Provider details
- NPI number
- 1528666203
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN210417 (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
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
- 2020-10-14
- Last updated
- 2020-10-14
- Certified
- 2020-10-14
Frequently asked questions
- What is Eileen O'Holleran's NPI number?
- Eileen O'Holleran's National Provider Identifier (NPI) is 1528666203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen O'Holleran's specialty?
- Eileen O'Holleran is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eileen O'Holleran located?
- Eileen O'Holleran's practice location on file with NPPES is 12 Autumn Ln, South Hamilton, MA 01982-1400.
- What is Eileen O'Holleran's phone number?
- The practice phone number listed in the NPPES registry for Eileen O'Holleran is (617) 522-9909.
- Is Eileen O'Holleran's NPI active?
- Yes — Eileen O'Holleran's NPI (1528666203) is active in the NPPES registry as of the last update on 2020-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.