Ellen Bollier, RN, CS
NPI 1417038621 · Adult Psychiatric/Mental Health Registered Nurse · Amherst, MA
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Bollier, RN, CS is a Adult Psychiatric/Mental Health Registered Nurse provider in Amherst, MA (NPI 1417038621).
Provider details
- NPI number
- 1417038621
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN, CS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 210882 (MA)
Specialties & taxonomies
Nursing Service 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
- 2006-10-17
- Last updated
- 2015-11-03
Frequently asked questions
- What is Ellen Bollier's NPI number?
- Ellen Bollier's National Provider Identifier (NPI) is 1417038621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Bollier's specialty?
- Ellen Bollier is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Ellen Bollier located?
- Ellen Bollier's practice location on file with NPPES is 495 West St Unit 1a, Amherst, MA 01002-3379.
- What is Ellen Bollier's phone number?
- The practice phone number listed in the NPPES registry for Ellen Bollier is (413) 687-1975.
- Does Ellen Bollier accept Medicare?
- Ellen Bollier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Bollier's NPI active?
- Yes — Ellen Bollier's NPI (1417038621) is active in the NPPES registry as of the last update on 2015-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.