Yi-Chun Chen, MD
NPI 1679927941 · Dermatology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yi-Chun Chen, MD is a Dermatology Physician provider in Seattle, WA (NPI 1679927941).
Provider details
- NPI number
- 1679927941
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD61136438 (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
10 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
1,427 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 433 | $8 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 211 | $54 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 211 | $100 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 164 | $122 |
| Destruction of Skin Growth, 1-14 Growths17110 | 128 | $126 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 112 | 53 |
| Metronidazole | 106 | 44 |
| Triamcinolone Acetonide | 89 | 61 |
| Fluorouracil | 86 | 79 |
| Clobetasol Propionate | 66 | 39 |
| Calcipotriene | 61 | 31 |
| Doxycycline Hyclate | 56 | 22 |
| Dutasteride | 43 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-22
- Last updated
- 2022-01-17
- Certified
- 2022-01-17
Frequently asked questions
- What is Yi-Chun Chen's NPI number?
- Yi-Chun Chen's National Provider Identifier (NPI) is 1679927941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yi-Chun Chen's specialty?
- Yi-Chun Chen is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Yi-Chun Chen located?
- Yi-Chun Chen's practice location on file with NPPES is 515 Minor Ave Ste 210, Seattle, WA 98104-2113.
- What is Yi-Chun Chen's phone number?
- The practice phone number listed in the NPPES registry for Yi-Chun Chen is (206) 386-9500.
- Does Yi-Chun Chen accept Medicare?
- Yi-Chun Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yi-Chun Chen's NPI active?
- Yes — Yi-Chun Chen's NPI (1679927941) is active in the NPPES registry as of the last update on 2022-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.