Doctor profile · Federal record

Dr. Fiona Fennessy, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Boston, MA

  • NPI 1548246762
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis Street, Radiology Brigham & Womens Hospital
Boston, MA 02115
(617) 632-4785
fax (617) 525-7333

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
August 8, 2012
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #213979
Medicaid
MA #2001861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548246762. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
366
Distinct HCPCS
9
Medicare allowed
$33,685
HCPCS Description Services Patients Avg allowed
74177 Ct scan of abdomen and pelvis with contrast 121 119 $92
74177 Ct scan of abdomen and pelvis with contrast 71 69 $92
74183 Mri scan of abdomen before and after contrast 31 31 $110
74176 Ct scan of abdomen and pelvis without contrast 28 28 $88
74183 Mri scan of abdomen before and after contrast 25 25 $111
72197 Mri scan of pelvis before and after contrast 24 24 $111
74018 X-ray of abdomen, 1 view 24 23 $9
72197 Mri scan of pelvis before and after contrast 21 21 $111
74178 Ct scan of abdomen and pelvis before and after contrast 21 21 $98

In context: peer comparison

Among 231 peers in this city , average services per provider: 259. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Fiona Fennessy's medical specialty?
Dr. Fiona Fennessy practices Diagnostic Radiology Physician in Boston, MA.
Where does Dr. Fiona Fennessy practice?
Dr. Fiona Fennessy practices at 75 Francis Street, Boston, MA 02115. Office phone: 6176324785.
What is Dr. Fiona Fennessy's NPI?
Dr. Fiona Fennessy's National Provider Identifier (NPI) is 1548246762, issued by NPPES.
Does Dr. Fiona Fennessy accept Medicare assignment?
Yes. Dr. Fiona Fennessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fiona Fennessy commonly perform?
Top Medicare-reported procedures in 2023: Ct scan of abdomen and pelvis with contrast (HCPCS 74177); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); Mri scan of abdomen before and after contrast (HCPCS 74183). Source: CMS Medicare Physician & Other Practitioners file.