James Harris Stephen, MD
Neurological Surgery Physician · South Weymouth, MA
James Harris Stephen, MD is a neurological surgery physician with a practice address in South Weymouth, Massachusetts, and NPI 1124312145, issued on Jun 7, 2011. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Harris Stephen
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- MD451911 PA
Self-reported in NPPES; status is on the state search - Practice location
- 851 Main St Ste 6, South Weymouth, MA 02190
- Phone
- (175) 258-3096
- Enumerated
- Jun 7, 2011
- Record last updated
- Nov 25, 2022
- Fax
- (617) 713-3050
- Medicare enrollment
- Enrolled (PECOS I20221216000971); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2011
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 236 in Massachusetts → Look up another NPI →
Also registered at 851 Main St Ste 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Thoren, PA-CPhysician Assistant1881992170
Verify James Harris Stephen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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 neurological surgery physician in 2024
30 Medicare Part D claims for 22 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin11 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.
Industry payments in 2024: $110.29
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Harris Stephen among 236 neurological surgery physician records in Massachusetts
James Harris Stephen, MD is one of 236 neurological surgery physician records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.
- NPI issued2011 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2001 among the 154 with a school on file
- Record last updated2022 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Massachusetts
There are 236 neurological surgery physician records in Massachusetts.
All 236 in Massachusetts → Every provider in South Weymouth → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Tracy Ansay, M.D.South Weymouth, MA 021901154532992
- Kurtus Dafford, M.D.South Weymouth, MA 021901093984742
- Michael Ditullio, M.D.Weymouth, MA 021901033181698
- Stephen Johnson, M.D.Weymouth, MA 021901609848340
- Juan Ortega-Barnett, M.D.South Weymouth, MA 021901295939379
- Roger Kinnard, MDMelrose, MA 021761437247293
- Ron Alterman, M.D.Boston, MA 022151750357430
- Edwin Fischer, M.D.Boston, MA 022151912949959
Common questions
What is James Harris Stephen, MD's NPI number?
James Harris Stephen, MD's National Provider Identifier (NPI) is 1124312145, issued on Jun 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is James Harris Stephen, MD located?
The NPPES record lists a practice address at 851 Main St Ste 6, South Weymouth, MA, 02190. Phone: (175) 258-3096. Providers update this record themselves, so call before visiting.
How can I verify James Harris Stephen, MD's license?
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 Harris Stephen, MD prescribe under Medicare Part D?
In 2024, James Harris Stephen, MD had 30 Medicare Part D claims for 22 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.