Doctor profile · Federal record

Dr. Robert Hsiung, MD

Anesthesiology Physician (CMS: Anesthesiology) · Seattle, WA

  • NPI 1659392264
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1100 9Th Ave
Seattle, WA 98101
(206) 223-6600
Additional location
1717 S J St
Tacoma, WA 984054933
(253) 426-6341
fax (253) 426-6344

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 12, 2024
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD00046420
Medicaid
WA #1015672

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659392264. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
5
Medicare allowed
$17,559
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 45 30 $227
36620 Insertion of artery tube for blood sampling or infusion through skin 32 30 $47
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 18 $95
00520 Anesthesia for other closed procedure on chest 13 13 $208
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 11 11 $128

In context: peer comparison

Among 172 peers in this city , average services per provider: 23. This provider delivers 5.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Hsiung's medical specialty?
Dr. Robert Hsiung practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Robert Hsiung practice?
Dr. Robert Hsiung practices at 1100 9Th Ave, Seattle, WA 98101. Office phone: 2062236600.
What is Dr. Robert Hsiung's NPI?
Dr. Robert Hsiung's National Provider Identifier (NPI) is 1659392264, issued by NPPES.
Does Dr. Robert Hsiung accept Medicare assignment?
Yes. Dr. Robert Hsiung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Hsiung commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.