John Joseph Stenglein, M.D.
Anesthesiology Physician · Boston, MA
John Joseph Stenglein, M.D. is an anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1740419266, issued on Jul 6, 2009. Check the license (Massachusetts 241168, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Joseph Stenglein
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 241168 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Avenue, Boston, MA 02215
- Phone
- (617) 667-5864
- Enumerated
- Jul 6, 2009
- Record last updated
- Feb 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130823000742); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2009
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
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Verify John Joseph Stenglein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 241168Check 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
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Joseph Stenglein among 2,089 anesthesiology physician records in Massachusetts
John Joseph Stenglein, 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2009 · median 2008 among the 1,472 with a school on file
- Record last updated2013 · 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
- Ruma Bose, M.D.Boston, MA 022151730126327
- David Feinstein, M.D.Boston, MA 022151417995705
- Jeffrey Jankun, M.D.Boston, MA 022151821045519
- Lisa Kunze, M.D.Boston, MA 022151851347652
- Shirie Leng, M.D.Boston, MA 022151841247574
- Yunping Li, M.D.Boston, MA 022151922069947
- Feroze-Ud-Din Mahmood, M.D.Boston, MA 022151487692786
- Achikam Oren Grinberg, M.D.Boston, MA 022151134116924
Common questions
What is John Joseph Stenglein, M.D.'s NPI number?
John Joseph Stenglein, M.D.'s National Provider Identifier (NPI) is 1740419266, issued on Jul 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Stenglein, M.D. located?
The NPPES record lists a practice address at 330 Brookline Avenue, Boston, MA, 02215. Phone: (617) 667-5864. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Stenglein, M.D.'s license?
NPPES lists Massachusetts license number 241168, 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.