Hsiang-Hwa Chen, DO
Family Medicine Physician · Seattle, WA
Hsiang-Hwa Chen, DO is a family medicine physician with a practice address in Seattle, Washington, and NPI 1043539968, issued on May 18, 2010. Check the license (Washington OP60298466, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Hsiang-Hwa Chen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OP60298466 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4540 Union Bay PL NE, Seattle, WA 98105
- Phone
- (206) 320-3400
- Enumerated
- May 18, 2010
- Record last updated
- Sep 27, 2023
- Fax
- (206) 320-5773
- Medicaid ID
- 2020732 WA
- Medicare enrollment
- Enrolled (PECOS I20130709000594); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 4540 Union Bay PL NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hsiang-Hwa Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60298466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
934 Medicare Part D claims for 227 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium126 claims
- Amlodipine Besylate58 claims
- Losartan Potassium38 claims
- Levothyroxine Sodium36 claims
- Quetiapine Fumarate25 claims
- Famotidine23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hsiang-Hwa Chen among 5,534 family medicine physician records in Washington
Hsiang-Hwa Chen, DO is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2009 among the 3,294 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mindy Blaski, MDSeattle, WA 981051659466969
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- Karri Chinn, MDSeattle, WA 981051386626281
- Catherine Damey, MDSeattle, WA 981051891704045
- Jaco Kruger, M.D.Seattle, WA 981051699705392
- Mark Lacambra, M.D.Seattle, WA 981051508848953
- Pamela McDonald, M.D.Seattle, WA 981051508894841
- Scott McIntyre, M.D.Seattle, WA 981051285662494
Common questions
What is Hsiang-Hwa Chen, DO's NPI number?
Hsiang-Hwa Chen, DO's National Provider Identifier (NPI) is 1043539968, issued on May 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Hsiang-Hwa Chen, DO located?
The NPPES record lists a practice address at 4540 Union Bay PL NE, Seattle, WA, 98105. Phone: (206) 320-3400. Providers update this record themselves, so call before visiting.
How can I verify Hsiang-Hwa Chen, DO's license?
NPPES lists Washington license number OP60298466, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hsiang-Hwa Chen, DO prescribe under Medicare Part D?
In 2024, Hsiang-Hwa Chen, DO had 934 Medicare Part D claims for 227 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.