DR. HOU HSIEN CHIANG MD
NPI 1255837100
Internal Medicine - Endocrinology, Diabetes & Metabolism in Seattle, WA
About Dr. Hou Hsien Chiang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOU HSIEN CHIANG MD (NPI 1255837100) is an individual endocrinology, diabetes & metabolism provider in Seattle, Washington, licensed in Washington (MD61136439) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Hou Hsien Chiang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WASwedish Edmonds Hospital
Acute Care Hospitals · Edmonds, WASwedish Medical Center
Acute Care Hospitals · Seattle, WAOlympic Medical Center
Acute Care Hospitals · Port Angeles, WAEvergreenhealth Medical Center
Acute Care Hospitals · Kirkland, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98104
SEATTLE, WA 98104
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hou Hsien Chiang's NPI number?
The NPI number for Hou Hsien Chiang is 1255837100. It was assigned to this individual provider in the NPPES registry on March 31, 2018.
Where is Hou Hsien Chiang located?
Hou Hsien Chiang practices at 1124 Columbia St Ste 400, Seattle, WA 98104. The listed phone number is (206) 215-2440.
What is Hou Hsien Chiang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Hou Hsien Chiang enrolled in Medicare?
Yes. Hou Hsien Chiang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Hou Hsien Chiang accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Hou Hsien Chiang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Hou Hsien Chiang affiliated with any hospitals?
According to CMS data, Hou Hsien Chiang is affiliated with University Of Washington Medical Ctr, Swedish Edmonds Hospital, Swedish Medical Center, Olympic Medical Center and Evergreenhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Hou Hsien Chiang was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Hou Hsien Chiang, MD · NPI 1255837100
Endocrinology, Diabetes & Metabolism physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 31, 2018.
## Identity
- **NPI:** 1255837100 (Entity type: Individual)
- **Enumerated:** March 31, 2018
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** MD61136439 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1124 COLUMBIA ST STE 400, Seattle, WA 98104-2053
- **Phone:** (206) 215-2440 · **Fax:** (206) 215-2457
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** November 5, 2025
- **Other identifiers:** Medicaid 2188267 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255837100) · Data from the CMS NPPES public registry.