Doctor profile · Federal record

Dr. Julie Koo, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Sacramento, CA

  • NPI 1124330303
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3161 L St
Sacramento, CA 958165234
(916) 453-9999
fax (916) 739-1099
Mailing address
10470 Old Placerville RD, Suite 100
Sacramento, CA 958272539

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
July 8, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
California #A135398 · Pennsylvania #MT197059

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124330303. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,832
Distinct HCPCS
10
Medicare allowed
$106,186
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 491 491 $37
77063 Screening 3d breast mammography 467 467 $29
71045 X-ray of chest, 1 view 252 233 $9
74177 Ct scan of abdomen and pelvis with contrast 170 168 $89
77067 Screening mammography 169 169 $37
77063 Screening 3d breast mammography 166 166 $30
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 123 123 $30
77065 Diagnostic mammography of 1 breast 101 100 $39
71046 X-ray of chest, 2 views 87 87 $10
76642 Limited ultrasound scan of 1 breast 82 82 $35

In context: peer comparison

Among 76 peers in Sacramento Diagnostic Radiology Physician, average services per provider: 212. This provider delivers 13× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Koo's medical specialty?
Dr. Julie Koo practices Diagnostic Radiology Physician in Sacramento, CA.
Where does Dr. Julie Koo practice?
Dr. Julie Koo practices at 3161 L St, Sacramento, CA 958165234. Office phone: 9164539999.
What is Dr. Julie Koo's NPI?
Dr. Julie Koo's National Provider Identifier (NPI) is 1124330303, issued by NPPES.
Does Dr. Julie Koo accept Medicare assignment?
Yes. Dr. Julie Koo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Koo commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.