Doctor profile · Federal record

Dr. Geunwon Kim-Sun, MD/PHD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1699189688
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 627-7000
Additional location
680 Centre St, Transitional Residency Program Coordinator
Brockton, MA 023023308
(508) 941-7210
Mailing address
680 Centre St, Transitional Residency Program Coordinator
Brockton, MA 023023308

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
July 1, 2019
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Massachusetts #277552 · Massachusetts #260113

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699189688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,910
Distinct HCPCS
10
Medicare allowed
$372,695
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 9,680 66 $0
77067 Screening mammography 1,263 1,256 $148
77063 Screening 3d breast mammography 1,248 1,241 $59
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 194 188 $59
77065 Diagnostic mammography of 1 breast 149 140 $145
76642 Limited ultrasound scan of 1 breast 144 136 $100
77066 Diagnostic mammography of both breasts 81 78 $177
77049 Mri scan of both breasts 63 61 $404
71046 X-ray of chest, 2 views 41 40 $37
19081 Biopsy of breast and placement of locating device using x-ray with needle, first growth 20 20 $566

In context: peer comparison

Among 231 peers in Boston Diagnostic Radiology Physician, average services per provider: 259. This provider delivers 50× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Geunwon Kim-Sun's medical specialty?
Dr. Geunwon Kim-Sun practices Diagnostic Radiology Physician in Boston, MA.
Where does Dr. Geunwon Kim-Sun practice?
Dr. Geunwon Kim-Sun practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6176277000.
What is Dr. Geunwon Kim-Sun's NPI?
Dr. Geunwon Kim-Sun's National Provider Identifier (NPI) is 1699189688, issued by NPPES.
Does Dr. Geunwon Kim-Sun accept Medicare assignment?
Yes. Dr. Geunwon Kim-Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geunwon Kim-Sun commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.