Sean William Gallagher, M.D.
Pediatric Anesthesiology Physician · Boston, MA
Sean William Gallagher, M.D. is a pediatric anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1477818250, issued on Jul 9, 2012. Check the license (Massachusetts 267497, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sean William Gallagher
- Credential
- M.D.
- Primary taxonomy
- Pediatric Anesthesiology Physician 207LP3000X
- License numbers
- 267497 MA
FS2328169-469 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- Jul 9, 2012
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid IDs
- 110071765A MA
267497 MA - Medicare enrollment
- Enrolled (PECOS I20170809000231); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest pediatric anesthesiology physician records → All 65 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
- Omer Abbak, PHARMDPharmacist1114500337
- Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
- Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Sean William Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 267497Check 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 one group practice
- Pratt Anesthesiology Associates IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean William Gallagher among 65 pediatric anesthesiology physician records in Massachusetts
Sean William Gallagher, M.D. is one of 65 pediatric anesthesiology physician records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 42% of them.
- NPI issued2012 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2012 · median 2007 among the 38 with a school on file
- Record last updated2018 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP3000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Anesthesiology Physician providers in Massachusetts
There are 65 pediatric anesthesiology physician records in Massachusetts.
All 65 in Massachusetts → Every provider in Boston → Pediatric Anesthesiology Physician nationwide →
The 8 pediatric anesthesiology physician records with the nearest ZIP codes
- David Moss, MDBoston, MA 021111801922547
- Sanasi Kulkarni, M.DBoston, MA 021141598143026
- Christine Mai, M.D.Boston, MA 021141851562177
- Joeli RothBoston, MA 021141720666076
- Eric ZhangBoston, MA 021141386270395
- Douglas Atkinson, MDBoston, MA 021151821145772
- Elena Bafani, M.D.Boston, MA 021151528026036
- Nina Deutsch, MDBoston, MA 021151851471569
Common questions
What is Sean William Gallagher, M.D.'s NPI number?
Sean William Gallagher, M.D.'s National Provider Identifier (NPI) is 1477818250, issued on Jul 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sean William Gallagher, M.D. located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Sean William Gallagher, M.D.'s license?
NPPES lists Massachusetts license number 267497, 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.