Doctor profile · Federal record

Dr. Lok Yun Sung, MD

Vascular & Interventional Radiology Physician (CMS: Interventional Radiology) · Diagnostic Radiology Physician · Stony Brook, NY

  • NPI 1720221369
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Nicolls Road, Department of Radiology, Hsc Level 4, Room 120
Stony Brook, NY 117948460
(631) 444-7955
fax (631) 444-7538
Mailing address
Po Box 1559
Stony Brook, NY 117900989

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
March 25, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2085R0204X — NUCC code
State license (1)
New York #268768

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720221369. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
629
Distinct HCPCS
10
Medicare allowed
$47,647
HCPCS Description Services Patients Avg allowed
76770 Complete ultrasound scan behind abdominal cavity 70 69 $39
74018 X-ray of abdomen, 1 view 69 60 $10
76770 Complete ultrasound scan behind abdominal cavity 65 64 $129
71045 X-ray of chest, 1 view 41 38 $10
49083 Drainage of fluid from abdominal cavity using imaging guidance 38 31 $119
76536 Ultrasound scan of head and neck soft tissue 34 33 $31
76705 Limited ultrasound scan of abdomen 34 34 $32
77001 Fluoroscopic guidance for insertion or removal of central vein access device 33 33 $21
76536 Ultrasound scan of head and neck soft tissue 32 32 $134
77012 Review by radiologist of ct guidance for needle placement 26 25 $80

In context: peer comparison

Among 7 peers in Stony Brook Vascular & Interventional Radiology Physician, average services per provider: 63. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,661
Transactions
34
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Penumbra, INC. 14 $2,537.13
Boston Scientific Corporation 7 $562.41
Inari Medical, INC. 6 $200.10
Cook Medical LLC 4 $171.15
Terumo Medical Corporation 2 $166.98
Stryker Corporation 1 $22.92

By nature of payment

Travel and Lodging
$1,867
Food and Beverage
$1,793

Frequently asked questions

Auto-generated from federal data
What is Dr. Lok Yun Sung's medical specialty?
Dr. Lok Yun Sung practices Vascular & Interventional Radiology Physician in Stony Brook, NY.
Where does Dr. Lok Yun Sung practice?
Dr. Lok Yun Sung practices at 101 Nicolls Road, Department of Radiology, Stony Brook, NY 117948460. Office phone: 6314447955.
What is Dr. Lok Yun Sung's NPI?
Dr. Lok Yun Sung's National Provider Identifier (NPI) is 1720221369, issued by NPPES.
Does Dr. Lok Yun Sung accept Medicare assignment?
Yes. Dr. Lok Yun Sung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lok Yun Sung commonly perform?
Top Medicare-reported procedures in 2023: Complete ultrasound scan behind abdominal cavity (HCPCS 76770); X-ray of abdomen, 1 view (HCPCS 74018); Complete ultrasound scan behind abdominal cavity (HCPCS 76770). Source: CMS Medicare Physician & Other Practitioners file.