Doctor profile · Federal record

Dr. Hou Hsien Chiang, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Seattle, WA

  • NPI 1255837100
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1124 Columbia St Ste 400
Seattle, WA 981042053
(206) 215-2440
fax (206) 215-2457
Additional location
1959 Ne Pacific St
Seattle, WA 981951460
(206) 543-5453
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
November 5, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Washington #MD61136439
Medicaid
WA #2188267

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255837100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$2,300
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $192

In context: peer comparison

Among 17 peers in Seattle Endocrinology, Diabetes & Metabolism Physician, average services per provider: 96. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
43
Patients
0
Total drug cost
$859
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 17 0 $291
Methimazole Generic 15 0 $147
Hydrocortisone Generic 11 0 $421

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hou Hsien Chiang's medical specialty?
Dr. Hou Hsien Chiang practices Endocrinology, Diabetes & Metabolism Physician in Seattle, WA.
Where does Dr. Hou Hsien Chiang practice?
Dr. Hou Hsien Chiang practices at 1124 Columbia St Ste 400, Seattle, WA 981042053. Office phone: 2062152440.
What is Dr. Hou Hsien Chiang's NPI?
Dr. Hou Hsien Chiang's National Provider Identifier (NPI) is 1255837100, issued by NPPES.
Does Dr. Hou Hsien Chiang accept Medicare assignment?
Yes. Dr. Hou Hsien Chiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hou Hsien Chiang commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.