Doctor profile · Federal record

Dr. Chi Wan Koo, MD

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

  • NPI 1285898361
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511
Additional location
8352 Main St, Jamaica
Jamaica, NY 11435
(917) 538-1156

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
August 14, 2020
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Minnesota #54710 · Pennsylvania #MT193796

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285898361. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35,544
Distinct HCPCS
10
Medicare allowed
$165,448
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 32,507 230 $0
71260 Ct scan of chest with contrast 518 500 $113
71045 X-ray of chest, 1 view 505 416 $9
71046 X-ray of chest, 2 views 499 496 $34
71250 Ct scan of chest without contrast 395 389 $120
76376 3d radiographic procedure 308 299 $24
71046 X-ray of chest, 2 views 267 262 $10
74018 X-ray of abdomen, 1 view 165 141 $9
74177 Ct scan of abdomen and pelvis with contrast 76 76 $86
71275 Ct scan of blood vessels of chest with contrast 30 30 $85

In context: peer comparison

Among 127 peers in this city , average services per provider: 637. This provider delivers 56× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chi Wan Koo's medical specialty?
Dr. Chi Wan Koo practices Diagnostic Radiology Physician in Rochester, MN.
Where does Dr. Chi Wan Koo practice?
Dr. Chi Wan Koo practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. Chi Wan Koo's NPI?
Dr. Chi Wan Koo's National Provider Identifier (NPI) is 1285898361, issued by NPPES.
Does Dr. Chi Wan Koo accept Medicare assignment?
Yes. Dr. Chi Wan Koo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chi Wan Koo commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ct scan of chest with contrast (HCPCS 71260); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.