Walter Anthony Bethune, M.D.
Anesthesiology Physician · Boston, MA
Walter Anthony Bethune, M.D. is an anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1134255524, issued on Feb 27, 2007. Check the license (Massachusetts L-225360, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Walter Anthony Bethune
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- L-225360 MA
Self-reported in NPPES; status is on the state search - Practice location
- Massachusetts General Hospital, Boston, MA 02114
- Phone
- (617) 726-3030
- Enumerated
- Feb 27, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200513002838); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2005
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
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Verify Walter Anthony Bethune in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license L-225360Check 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 2 group practices
- Island Medical Consultants LLCHonolulu, HI
- The Anesthesia Medical Group IncHilo, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Anthony Bethune among 2,089 anesthesiology physician records in Massachusetts
Walter Anthony Bethune, M.D. is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2005 · median 2008 among the 1,472 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,082 anesthesiology physician records list a practice address in Boston
They are 1,082 of the 41,865 NPPES records with a practice address in Boston, and 2,089 anesthesiology physician records in Massachusetts.
All 2,089 in Massachusetts → Every provider in Boston → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Wei Chao, MD PHDBoston, MA 021141922098730
- Joseph Cotten, MD PHDBoston, MA 021141215927827
- Marianna Crowley, MDBoston, MA 021141093705691
- William Denman, MDBoston, MA 021141376533794
- Martha Gallagher, MDBoston, MA 021141790775476
- Douglas Hansell, MDBoston, MA 021141780674051
- William Kimball, MD PHDBoston, MA 021141942290515
- Jean Kwo, MDBoston, MA 021141275523748
Common questions
What is Walter Anthony Bethune, M.D.'s NPI number?
Walter Anthony Bethune, M.D.'s National Provider Identifier (NPI) is 1134255524, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Walter Anthony Bethune, M.D. located?
The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 726-3030. Providers update this record themselves, so call before visiting.
How can I verify Walter Anthony Bethune, M.D.'s license?
NPPES lists Massachusetts license number L-225360, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.