CHRISTOPHER W SHANAHAN M.D., M.P.H.
NPI 1730184854
Internal Medicine in Mattapan, MA
About Christopher W Shanahan M.d., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER W SHANAHAN M.D., M.P.H. (NPI 1730184854) is an individual internal medicine provider in Mattapan, Massachusetts, licensed in Massachusetts (74099) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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)
Christopher W Shanahan M.d., M.p.h. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Christopher Shanahan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02126
- Reassigned Medicare billing, Massachusetts enrollment
- 37 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 573 clinicians in this Medicare group
W Springfield, MA 01089
- Reassigned Medicare billing, Massachusetts enrollment
- 20 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02126 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.
MATTAPAN, MA 02126
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 Christopher Shanahan's NPI number?
The NPI number for Christopher Shanahan is 1730184854. It was assigned to this individual provider in the NPPES registry on June 15, 2005.
Where is Christopher Shanahan located?
Christopher Shanahan practices at 1575 Blue Hill Ave, Mattapan, MA 02126. The listed phone number is (617) 829-6006.
What is Christopher Shanahan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Christopher Shanahan enrolled in Medicare?
Yes. Christopher Shanahan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher Shanahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Shanahan reassigns Medicare benefits to 3 organizations: Mattapan Community Health Center Inc (Boston, MA), Evans Medical Foundation, Inc. (Boston, MA) and Savida Health, PC (W Springfield, 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 Christopher Shanahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Shanahan accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Christopher Shanahan 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 Christopher Shanahan affiliated with any hospitals?
According to CMS data, Christopher Shanahan is affiliated with Boston Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Shanahan was last updated on February 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Christopher W Shanahan, M.D., M.P.H. · NPI 1730184854
Internal Medicine physician in Mattapan, Massachusetts. Individual provider, active in the CMS NPPES registry since June 15, 2005.
## Identity
- **NPI:** 1730184854 (Entity type: Individual)
- **Enumerated:** June 15, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 74099 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1575 BLUE HILL AVE, Mattapan, MA 02126-2122
- **Phone:** (617) 829-6006 · **Fax:** (617) 296-5408
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mattapan Community Health Center Inc (NPI 1942869342, Boston, MA); Evans Medical Foundation, Inc. (NPI 1912954124, Boston, MA); Savida Health, PC (NPI 1316253875, W Springfield, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 1988
## Record status
- **NPPES last updated:** February 2, 2022
- **Other identifiers:** Medicaid 110050376A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1730184854) · Data from the CMS NPPES public registry.