Colin J. Walsh, CRNA
Certified Registered Nurse Anesthetist · Boston, MA
Colin J. Walsh, CRNA is a certified registered nurse anesthetist with a practice address in Boston, Massachusetts, and NPI 1700364619, issued on Aug 2, 2018. Check the license (Massachusetts RN2293531, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colin J. Walsh
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- RN2293531 MA
078850-23 NH
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-2000
- Enumerated
- Aug 2, 2018
- Record last updated
- Jan 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20220525002344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,342 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Colin J. Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2293531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 4 group practices
- Beth Israel Lahey Health Specialty Care, Inc.Burlington, MA
- Icon Anesthesia Services OF New England LLCBeverly, MA
- Lowell Anesthesiology Service IncLowell, MA
- Mass General Brigham Medical Group, Inc.Burlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colin J. Walsh among 1,342 certified registered nurse anesthetist records in Massachusetts
Colin J. Walsh, CRNA 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 2018, is newer than 72% of them.
- NPI issued2018 · 72% of these records are older, 24% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2020 · median 2013 among the 1,006 with a school on file
- Record last updated2024 · 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
- Robert Barboza, CRNABoston, MA 021141568463495
- Christian Brice, CRNABoston, MA 021141184784738
- Janice Carey, CRNABoston, MA 021141174581268
- Celeste Day, CRNABoston, MA 021141295800217
- William Fehder, CRNABoston, MA 021141962491365
- Tracy Jonassaint, CRNABoston, MA 021141609842574
- Linda Kovitch, CRNABoston, MA 021141689649428
- Susan Maher, CRNABoston, MA 021141013076066
Common questions
What is Colin J. Walsh, CRNA's NPI number?
Colin J. Walsh, CRNA's National Provider Identifier (NPI) is 1700364619, issued on Aug 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Colin J. Walsh, CRNA located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.
How can I verify Colin J. Walsh, CRNA's license?
NPPES lists Massachusetts license number RN2293531, 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.
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.