STEPHAN W ANDERSON M.D.
NPI 1235243122
Radiology - Diagnostic Radiology in Boston, MA
About Stephan W Anderson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHAN W ANDERSON M.D. (NPI 1235243122) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (227415) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephan W Anderson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Stephan Anderson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 84 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 clinicians in this Medicare group
East Boston, MA 02128
- Reassigned Medicare billing, Massachusetts enrollment
- 577 clinicians in this Medicare group
East Boston, MA 02128
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: East Boston Neighborhood Health Center Corp
- 456 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
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 Stephan Anderson's NPI number?
The NPI number for Stephan Anderson is 1235243122. It was assigned to this individual provider in the NPPES registry on August 18, 2006.
Where is Stephan Anderson located?
Stephan Anderson practices at 840 Harrison Ave, Boston, MA 02118. The listed phone number is (617) 638-6610.
What is Stephan Anderson's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Stephan Anderson enrolled in Medicare?
Yes. Stephan Anderson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephan Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephan Anderson reassigns Medicare benefits to 4 organizations: Boston University Medical Center Radiologists, Inc. (Boston, MA), Bmc Affiliated Physicians, Inc. (Boston, MA), Internal Medical Associates-Ebnhc (East Boston, MA) and Neighborhealth Corporation (East Boston, MA). Each 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 Stephan Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephan Anderson accept?
Health plans from Taro Health and WellSense Health Plan list Stephan Anderson 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.
When was this NPI record last updated?
The NPPES record for Stephan Anderson was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Stephan W Anderson, M.D. · NPI 1235243122
Diagnostic Radiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 18, 2006.
## Identity
- **NPI:** 1235243122 (Entity type: Individual)
- **Enumerated:** August 18, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 227415 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 840 HARRISON AVE, Boston, MA 02118-2905
- **Phone:** (617) 638-6610 · **Fax:** (617) 638-6616
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Boston University Medical Center Radiologists, Inc. (NPI 1134166945, Boston, MA); Bmc Affiliated Physicians, Inc. (NPI 1245320910, Boston, MA); Internal Medical Associates-Ebnhc (NPI 1558481879, East Boston, MA); Neighborhealth Corporation (NPI 1316994411, East Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 9, 2026
- **Other identifiers:** Medicaid 3078937 (NH); Medicaid 110077068A (MA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1235243122) · Data from the CMS NPPES public registry.