Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Maribeth Massie, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1588606065

Maribeth Massie, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Portland, Maine. Qualified in 1998, 28 years ago. Practices with York Hospital, a 206-clinician group and accepts Medicare assignment. Licensed in Maryland and Maine.

Years since qualifying
28
Licensed in
MD, ME
In the registry since
2006
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

84 Marginal Way Ste 1000
Portland, ME 04101-2477
Phone: (207) 347-2898
Fax: (207) 553-1415
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RNA113019 (ME)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence R117226 (MD)

Record details

NPI number1588606065
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 11, 2006
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice York Hospital — 206 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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