Elizabeth Grenier, RN, CRNA
NPI 1427549997 · Certified Registered Nurse Anesthetist · Portland, ME
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Grenier, RN, CRNA is a Certified Registered Nurse Anesthetist provider in Portland, ME (NPI 1427549997).
Provider details
- NPI number
- 1427549997
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125355 (ME)
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 360 Huntington Ave207 Robinson HallBoston, MA 02115Phone: (617) 373-3124
Registry dates
- Enumerated
- 2018-05-21
- Last updated
- 2019-06-17
Frequently asked questions
- What is Elizabeth Grenier's NPI number?
- Elizabeth Grenier's National Provider Identifier (NPI) is 1427549997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Grenier's specialty?
- Elizabeth Grenier is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Grenier located?
- Elizabeth Grenier's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3175.
- What is Elizabeth Grenier's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Grenier is (207) 661-5410.
- Does Elizabeth Grenier accept Medicare?
- Elizabeth Grenier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Grenier's NPI active?
- Yes — Elizabeth Grenier's NPI (1427549997) is active in the NPPES registry as of the last update on 2019-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.