Doctor profile · Federal record

Dr. Susan Cha, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Walnut Creek, CA

  • NPI 1346360146
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 296-7150
fax (925) 296-7171
Additional location
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
Mailing address
2125 Oak Grove RD, Ste 200
Walnut Creek, CA 945982520

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
June 1, 2022
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A112509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346360146. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,518
Distinct HCPCS
10
Medicare allowed
$265,127
HCPCS Description Services Patients Avg allowed
71260 Ct scan of chest with contrast 797 628 $57
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 502 439 $122
74177 Ct scan of abdomen and pelvis with contrast 447 353 $93
74178 Ct scan of abdomen and pelvis before and after contrast 356 312 $102
78306 Nuclear medicine study of bone and/or joint whole body 260 210 $42
71045 X-ray of chest, 1 view 210 146 $9
71046 X-ray of chest, 2 views 139 116 $11
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 111 111 $82
71250 Ct scan of chest without contrast 100 93 $54
78816 Nuclear medicine study whole body with ct scan 91 76 $123

In context: peer comparison

Among 33 peers in this city , average services per provider: 176. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$88
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
PROGENICS PHARMACEUTICALS, INC. 2 $35.52
Telix Pharmaceuticals 1 $31.22
Siemens Medical Solutions USA, Inc. 1 $21.55

By nature of payment

Food and Beverage
$88

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Cha's medical specialty?
Dr. Susan Cha practices Diagnostic Radiology Physician in Walnut Creek, CA.
Where does Dr. Susan Cha practice?
Dr. Susan Cha practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9252967150.
What is Dr. Susan Cha's NPI?
Dr. Susan Cha's National Provider Identifier (NPI) is 1346360146, issued by NPPES.
Does Dr. Susan Cha accept Medicare assignment?
Yes. Dr. Susan Cha accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Cha commonly perform?
Top Medicare-reported procedures in 2023: Ct scan of chest with contrast (HCPCS 71260); Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS 78815); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.