Doctor profile · Federal record

Dr. Clement Grassi, M.D.

Diagnostic Radiology Physician · Boston, MA

  • NPI 1407808686
  • MIPS 84.4 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington St
Boston, MA 021111552
(617) 636-5000

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 23, 2024
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #50122

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407808686. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$168
HCPCS Description Services Patients Avg allowed
71046 X-ray of chest, 2 views 16 16 $10

In context: peer comparison

Among 231 peers in this city , average services per provider: 259. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,809
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bard Peripheral Vascular, Inc. 1 $1,750.00
Boston Scientific Corporation 1 $59.14

By nature of payment

Consulting Fee
$1,750
Food and Beverage
$59

Frequently asked questions

Auto-generated from federal data
What is Dr. Clement Grassi's medical specialty?
Dr. Clement Grassi practices Diagnostic Radiology Physician in Boston, MA.
Where does Dr. Clement Grassi practice?
Dr. Clement Grassi practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365000.
What is Dr. Clement Grassi's NPI?
Dr. Clement Grassi's National Provider Identifier (NPI) is 1407808686, issued by NPPES.
What procedures does Dr. Clement Grassi commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.