NPPES file of Aug 9, 2026

Maribeth Massie, C.R.N.A.

Certified Registered Nurse Anesthetist · Portland, ME

Maribeth Massie, C.R.N.A. is a certified registered nurse anesthetist with a practice address in Portland, Maine, and NPI 1588606065, issued on Jun 11, 2006. Check the license (Maine RNA113019, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588606065
Name
Maribeth Massie
Credential
C.R.N.A.
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
RNA113019 ME
R117226 MD
Self-reported in NPPES; status is on the state search
Practice location
84 Marginal Way Ste 1000, Portland, ME 04101
Phone
(207) 347-2898
Enumerated
Jun 11, 2006
Record last updated
Mar 4, 2026
Fax
(207) 553-1415
Medicaid ID
157704200 MD
Medicare enrollment
Enrolled (PECOS I20161201000554); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 84 Marginal Way Ste 1000

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Molly Brown, FNP-BCFamily Nurse Practitioner1316353733
  2. Rachel Cotton, CPNPPediatric Nurse Practitioner1154884690
  3. Nichole Decker-St Onge, MSN, CRNA, APRNCertified Registered Nurse Anesthetist1962864959
  4. Luke Emerdello, RNNurse Practitioner1538811690
  5. Karen Emery, M.D.Pediatrics Physician1679559397
  6. Saffron Homayoun Mirza, MDChild & Adolescent Psychiatry Physician1801469705

Verify Maribeth Massie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license RNA113019
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2 hospitals and group practices

  1. York HospitalYork, ME · Acute Care Hospitals4 of 5 stars
  2. Intermed PAPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Maribeth Massie among 534 certified registered nurse anesthetist records in Maine

Maribeth Massie, C.R.N.A. is one of 534 certified registered nurse anesthetist records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 65% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1998 · median 2014 among the 395 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

232 certified registered nurse anesthetist records list a practice address in Portland

They are 232 of the 6,022 NPPES records with a practice address in Portland, and 534 certified registered nurse anesthetist records in Maine.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Normand Begin, CRNAPortland, ME 041011235186412
  2. Annette Haley, CRNAPortland, ME 041011487607396
  3. Erland Hedblom, CRNAPortland, ME 041011740228659
  4. Donna Joyce, CRNAPortland, ME 041011982646626
  5. Kathryn Lillie, CRNAPortland, ME 041011043324890
  6. Kimber Martin, CRNAPortland, ME 041011710922745
  7. Mary Kay Moyer, CRNAPortland, ME 041011184667016
  8. Thomas Oconnell, CRNAPortland, ME 041011316980519

Common questions

What is Maribeth Massie, C.R.N.A.'s NPI number?

Maribeth Massie, C.R.N.A.'s National Provider Identifier (NPI) is 1588606065, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maribeth Massie, C.R.N.A. located?

The NPPES record lists a practice address at 84 Marginal Way Ste 1000, Portland, ME, 04101. Phone: (207) 347-2898. Providers update this record themselves, so call before visiting.

How can I verify Maribeth Massie, C.R.N.A.'s license?

NPPES lists Maine license number RNA113019, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.