Niamh Cahill
NPI 1558170498 · Family Nurse Practitioner · Morristown, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Niamh Cahill is a Family Nurse Practitioner provider in Morristown, NJ (NPI 1558170498).
Provider details
- NPI number
- 1558170498
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 26NJ15248700 (NJ)
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
1 yr 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
- 2025-01-06
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Niamh Cahill's NPI number?
- Niamh Cahill's National Provider Identifier (NPI) is 1558170498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Niamh Cahill's specialty?
- Niamh Cahill is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Niamh Cahill located?
- Niamh Cahill's practice location on file with NPPES is 100 Madison Ave, Morristown, NJ 07960-6136.
- What is Niamh Cahill's phone number?
- The practice phone number listed in the NPPES registry for Niamh Cahill is (973) 971-5000.
- Does Niamh Cahill accept Medicare?
- Niamh Cahill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Niamh Cahill's NPI active?
- Yes — Niamh Cahill's NPI (1558170498) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.