Maribeth Massie, C.R.N.A.
NPI 1588606065 · 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)
Maribeth Massie, C.R.N.A. is a Certified Registered Nurse Anesthetist provider in Portland, ME (NPI 1588606065).
Provider details
- NPI number
- 1588606065
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.A.
- Sex
- Female
- Sole proprietor
- No
- License
- R117226 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
20 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
- 2006-06-11
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Maribeth Massie's NPI number?
- Maribeth Massie's National Provider Identifier (NPI) is 1588606065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maribeth Massie's specialty?
- Maribeth Massie is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maribeth Massie located?
- Maribeth Massie's practice location on file with NPPES is 84 Marginal Way Ste 1000, Portland, ME 04101-2477.
- What is Maribeth Massie's phone number?
- The practice phone number listed in the NPPES registry for Maribeth Massie is (207) 347-2898.
- Does Maribeth Massie accept Medicare?
- Maribeth Massie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maribeth Massie's NPI active?
- Yes — Maribeth Massie's NPI (1588606065) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.