Doctor profile · Federal record

Dr. Leo Tsai, M.D., PH.D., M.Sc.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Magnetic Resonance Imaging (MRI) Internal Medicine Physician · Body Imaging Physician · Diagnostic Ultrasound Physician · Boston, MA

  • NPI 1720250228
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave # Ansin230
Boston, MA 022155400
(617) 667-0278
Mailing address
1 Deaconess RD, BIDMC Dept of Radiology Ccw-3Rd Floor
Boston, MA 022155321

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
July 20, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #236117

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720250228. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17,939
Distinct HCPCS
10
Medicare allowed
$207,934
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 11,600 57 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 4,287 46 $0
74183 Mri scan of abdomen before and after contrast 408 384 $110
74177 Ct scan of abdomen and pelvis with contrast 334 326 $92
72197 Mri scan of pelvis before and after contrast 248 241 $111
74176 Ct scan of abdomen and pelvis without contrast 93 89 $89
74177 Ct scan of abdomen and pelvis with contrast 92 91 $248
74018 X-ray of abdomen, 1 view 78 69 $9
74174 Ct scan of blood vessels of abdomen and pelvis with contrast 73 73 $111
76705 Limited ultrasound scan of abdomen 55 55 $30

In context: peer comparison

Among 231 peers in Boston Diagnostic Radiology Physician, average services per provider: 259. This provider delivers 69× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$539
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
United Imaging Healthcare North America LLC 5 $539.49

By nature of payment

Travel and Lodging
$356
Food and Beverage
$183

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leo Tsai's medical specialty?
Dr. Leo Tsai practices Diagnostic Radiology Physician in Boston, MA.
Where does Dr. Leo Tsai practice?
Dr. Leo Tsai practices at 330 Brookline Ave # Ansin230, Boston, MA 022155400. Office phone: 6176670278.
What is Dr. Leo Tsai's NPI?
Dr. Leo Tsai's National Provider Identifier (NPI) is 1720250228, issued by NPPES.
Does Dr. Leo Tsai accept Medicare assignment?
Yes. Dr. Leo Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leo Tsai commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Mri scan of abdomen before and after contrast (HCPCS 74183). Source: CMS Medicare Physician & Other Practitioners file.