Doctor profile · Federal record

Dr. William Hwang, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Neuroradiology Physician · Neuroradiology Physician · Diagnostic Radiology Physician · Tacoma, WA

  • NPI 1831345842
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1304 Fawcett Ave Ste 100
Tacoma, WA 984021900
(253) 761-4200
fax (253) 761-4201
Mailing address
Po Box 1535
Tacoma, WA 984011535

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
August 30, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Washington #MD60282483 · Oregon #MD190532
Medicaid
WA #2018751

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831345842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,963
Distinct HCPCS
10
Medicare allowed
$177,766
HCPCS Description Services Patients Avg allowed
A9585 Injection, gadobutrol, 0.1 ml 2,615 36 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,335 16 $0
70450 Ct scan head or brain without contrast 646 633 $41
71045 X-ray of chest, 1 view 219 210 $9
70498 Ct scan of blood vessels of neck with contrast 210 208 $83
70496 Ct scan of blood vessels of head with contrast 192 190 $86
72125 Ct scan of upper spine without contrast 155 155 $49
70553 Mri scan of brain before and after contrast 124 122 $112
70551 Mri scan of brain without contrast 118 117 $72
72100 X-ray of lower and sacral spine, 2-3 views 97 97 $16

In context: peer comparison

Among 50 peers in this city , average services per provider: 172. This provider delivers 40× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Hwang's medical specialty?
Dr. William Hwang practices Diagnostic Radiology Physician in Tacoma, WA.
Where does Dr. William Hwang practice?
Dr. William Hwang practices at 1304 Fawcett Ave Ste 100, Tacoma, WA 984021900. Office phone: 2537614200.
What is Dr. William Hwang's NPI?
Dr. William Hwang's National Provider Identifier (NPI) is 1831345842, issued by NPPES.
Does Dr. William Hwang accept Medicare assignment?
Yes. Dr. William Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hwang commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.