JAMES HARRIS STEPHEN MD
NPI 1124312145
Neurological Surgery in South Weymouth, MA
About James Harris Stephen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES HARRIS STEPHEN MD (NPI 1124312145) is an individual neurological surgery provider in South Weymouth, Massachusetts, licensed in Pennsylvania (MD451911) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2011).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James Harris Stephen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show James Stephen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Shore Hospital
Acute Care Hospitals · South Weymouth, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02190 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Stephen's NPI number?
The NPI number for James Stephen is 1124312145. It was assigned to this individual provider in the NPPES registry on June 7, 2011.
Where is James Stephen located?
James Stephen practices at 851 Main St Ste 6, South Weymouth, MA 02190. The listed phone number is (175) 258-3096.
What is James Stephen's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is James Stephen enrolled in Medicare?
Yes. James Stephen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for James Stephen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Stephen reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Stephen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Stephen accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list James Stephen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is James Stephen affiliated with any hospitals?
According to CMS data, James Stephen is affiliated with South Shore Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for James Stephen was last updated on November 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.