Stephen G. Flynn, M.D.
Pediatric Anesthesiology Physician · Boston, MA
Stephen G. Flynn, M.D. is a pediatric anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1003049842, issued on Aug 27, 2009. Check the license (Massachusetts 280886, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen G. Flynn
- Credential
- M.D.
- Primary taxonomy
- Pediatric Anesthesiology Physician 207LP3000X
- License numbers
- 280886 MA
275400 NY
0101257415 VA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6000
- Enumerated
- Aug 27, 2009
- Record last updated
- Jun 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190815001257); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Abadir, MDPediatric Cardiology Physician1427366459
- Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
- Kristin Abdelnour, PTPhysical Therapist1982821302
- Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
- Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
- Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233
Verify Stephen G. Flynn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 280886Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average pediatric anesthesiology physician in 2024
11 Medicare Part D claims, against an average of 65 among the 46 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Chmc Anesthesia Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Anesthesiology Physician providers in Massachusetts
There are 65 pediatric anesthesiology physician records in Massachusetts.
Other pediatric anesthesiology physician records in Massachusetts
- Douglas Atkinson, MDBoston, MA1821145772
- Elena Bafani, M.D.Boston, MA1528026036
- Ariane Boivin, M.D.Boston, MA1740650266
- Choon Bong, MBCHB, FRCABoston, MA1891983698
- James BradleyBoston, MA1205079779
- Morgan Brown, M.D., PH.D.Boston, MA1376816686
- Travis Brown, MD, SCMBoston, MA1326675141
- Carlos Camelo Rincon, MDBoston, MA1285141655
- Mariam Cappiello, M.D.Natick, MA1427119106
- Vannessa Chin, M.B.,B.S.Boston, MA1487902359
Common questions
What is Stephen G. Flynn, M.D.'s NPI number?
Stephen G. Flynn, M.D.'s National Provider Identifier (NPI) is 1003049842, issued on Aug 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Stephen G. Flynn, M.D. 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 Stephen G. Flynn, M.D.'s license?
NPPES lists Massachusetts license number 280886, 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.
How much does Stephen G. Flynn, M.D. prescribe under Medicare Part D?
In 2024, Stephen G. Flynn, M.D. had 11 Medicare Part D claims; the average among pediatric anesthesiology physician prescribers was 65. Part D covers Medicare prescriptions 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.