James M. Stephen, M.D
Emergency Medicine Physician · Boston, MA
James M. Stephen, M.D is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1114940442, issued on Jul 26, 2006. Check the license (Massachusetts 55722, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James M. Stephen
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 55722 MA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Washington St # 311, Boston, MA 02111
- Phone
- (617) 636-4720
- Enumerated
- Jul 26, 2006
- Record last updated
- Aug 15, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (617) 636-4723
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Verify James M. Stephen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 55722Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
79 Medicare Part D claims for 55 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Cefpodoxime Proxetil13 claims
- Ibuprofen13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
James M. Stephen among 1,829 emergency medicine physician records in Massachusetts
James M. Stephen, M.D is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nissa AliBoston, MA 021111740523448
- Brien Barnewolt, M.D.Boston, MA 021111801980198
- Augustus Colangelo, M.D.Boston, MA 021111285671982
- Amir Darvish, MDBoston, MA 021111386717783
- Theresa Marie Gabana, M.D.Boston, MA 021111730226093
- Errol Green, MDBoston, MA 021111750480141
- Nancy HuynhBoston, MA 021111043709173
- Dylan Kelleher, DOBoston, MA 021111659996270
Common questions
What is James M. Stephen, M.D's NPI number?
James M. Stephen, M.D's National Provider Identifier (NPI) is 1114940442, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James M. Stephen, M.D located?
The NPPES record lists a practice address at 750 Washington St # 311, Boston, MA, 02111. Phone: (617) 636-4720. Providers update this record themselves, so call before visiting.
How can I verify James M. Stephen, M.D's license?
NPPES lists Massachusetts license number 55722, 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 James M. Stephen, M.D prescribe under Medicare Part D?
In 2024, James M. Stephen, M.D had 79 Medicare Part D claims for 55 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is James M. Stephen, M.D's MIPS final score?
The 2023 MIPS final score is 98 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.