Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Christopher W. Shanahan, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Christopher W. Shanahan, MD is an internal medicine doctor at 1575 Blue Hill Ave, Boston, MA 02126. Phone: (617) 296-0061. May accept Medicare assignment. In 2024, Christopher W. Shanahan had 13 Original Medicare patients and 32 services. NPI 1730184854. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1575 Blue Hill Ave, Boston, MA 02126 · Directions (1 more location)
  • Phone: (617) 296‑0061
  • Medicare: May accept Medicare assignment
  • Hospital: Boston Medical Center
  • Group practice: Savida Health PC (+1 more)
  • Medical school: Rutgers New Jersey Medical School · graduated 1988 (38 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher W. Shanahan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Christopher W. Shanahan accept Medicare assignment?
Medicare's clinician data says Christopher W. Shanahan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Christopher W. Shanahan see?
In 2024, CMS data shows 13 Original Medicare patients and 32 services for Christopher W. Shanahan. This counts Original Medicare only and measures volume, not quality.
What is Christopher W. Shanahan's NPI number?
1730184854. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Christopher W. Shanahan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients13
Services billed to Medicare32
Different services or procedures7
Participating Medicare providerYes
Average age of these patients69

Hospitals where Christopher W. Shanahan works

Medicare's Facility Affiliation Data lists Christopher W. Shanahan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Boston Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220031

Practice locations

Addresses where Christopher W. Shanahan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christopher W. Shanahan as a member of these groups (CMS data updated October 2, 2026).

  • Savida Health PC92 clinicians in the group
  • Mattapan Community Health Center, Inc.25 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All internal medicine doctors in Boston →

Other clinicians in Savida Health PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730184854
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians