Hsiang-Hwa Chen, DO
NPI 1043539968 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hsiang-Hwa Chen, DO is a Family Medicine Physician provider in Seattle, WA (NPI 1043539968).
Provider details
- NPI number
- 1043539968
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OP60298466 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
238 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 141 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $101 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 22 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $183 |
| Automated Urinalysis Test81003 | 17 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 126 | 59 |
| Amlodipine Besylate | 58 | 27 |
| Losartan Potassium | 38 | 19 |
| Levothyroxine Sodium | 36 | 14 |
| Quetiapine Fumarate | 25 | — |
| Famotidine | 23 | 13 |
| Gabapentin | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-18
- Last updated
- 2023-09-27
- Certified
- 2023-09-27
Frequently asked questions
- What is Hsiang-Hwa Chen's NPI number?
- Hsiang-Hwa Chen's National Provider Identifier (NPI) is 1043539968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hsiang-Hwa Chen's specialty?
- Hsiang-Hwa Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hsiang-Hwa Chen located?
- Hsiang-Hwa Chen's practice location on file with NPPES is 4540 Union Bay Pl Ne, Seattle, WA 98105-4025.
- What is Hsiang-Hwa Chen's phone number?
- The practice phone number listed in the NPPES registry for Hsiang-Hwa Chen is (206) 320-3400.
- Does Hsiang-Hwa Chen accept Medicare?
- Hsiang-Hwa Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hsiang-Hwa Chen's NPI active?
- Yes — Hsiang-Hwa Chen's NPI (1043539968) is active in the NPPES registry as of the last update on 2023-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.