NPPES file of Aug 9, 2026

Maria St Germain

Certified Registered Nurse Anesthetist · Boston, MA

Maria St Germain is a certified registered nurse anesthetist with a practice address in Boston, Massachusetts, and NPI 1578109138, issued on Nov 19, 2019. Check the license (Massachusetts RN2306271, as entered in NPPES) with the Massachusetts 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
1578109138
Name
Maria St Germain
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
RN2306271 MA
RN689006 PA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-6000
Enumerated
Nov 19, 2019
Record last updated
Feb 6, 2025
Medicare enrollment
Enrolled (PECOS I20220413001726); 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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8 nearest certified registered nurse anesthetist records → All 1,342 in Massachusetts → Look up another NPI →

Also registered at 300 Longwood Ave

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

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Maria St Germain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2306271    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 Massachusetts 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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Bills Medicare through one group practice

  1. Chmc Anesthesia Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria St Germain among 1,342 certified registered nurse anesthetist records in Massachusetts

Maria St Germain is one of 1,342 certified registered nurse anesthetist records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 76% of them.

  • NPI issued2019 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2021 · median 2013 among the 1,006 with a school on file
  • Record last updated2025 · 59% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Massachusetts

There are 1,342 certified registered nurse anesthetist records in Massachusetts.

All 1,342 in Massachusetts → Every provider in Boston → Certified Registered Nurse Anesthetist nationwide →

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

  1. Amy Arnett, CRNABoston, MA 021151780622977
  2. Angela Carignan, CRNABoston, MA 021151841396629
  3. Douglas Gould, CRNA, MSBoston, MA 021151912084252
  4. Amanda Kelly, CRNABoston, MA 021151548378417
  5. Elizabeth McCann, CRNABoston, MA 021151588692263
  6. Martha O'Brien, CRNABoston, MA 021151356437081
  7. Alexander OliuBoston, MA 021151407816150
  8. Ann Marie Rich, CRNABoston, MA 021151407822547

Common questions

What is Maria St Germain's NPI number?

Maria St Germain's National Provider Identifier (NPI) is 1578109138, issued on Nov 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Maria St Germain located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.

How can I verify Maria St Germain's license?

NPPES lists Massachusetts license number RN2306271, as entered by the provider. Search the Massachusetts 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.