Jeng Chang, MD
NPI 1194704478 · Dermatology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeng Chang, MD is a Dermatology Physician provider in Seattle, WA (NPI 1194704478).
Provider details
- NPI number
- 1194704478
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00027322 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
289 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $100 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 69 | $8 |
| Destruction of Skin Growth, 1-14 Growths17110 | 32 | $132 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 | 27 | $191 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 27 | $122 |
| Destruction of Precancer Skin Growth, 1 Growth17000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 4 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 44 | 24 |
| Mometasone Furoate | 31 | 28 |
| Clobetasol Propionate | 20 | 15 |
| Hydroxyzine Hcl | 17 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-13
- Last updated
- 2007-08-07
Frequently asked questions
- What is Jeng Chang's NPI number?
- Jeng Chang's National Provider Identifier (NPI) is 1194704478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeng Chang's specialty?
- Jeng Chang is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeng Chang located?
- Jeng Chang's practice location on file with NPPES is 10212 5th Ave Ne #100, Seattle, WA 98125-7471.
- What is Jeng Chang's phone number?
- The practice phone number listed in the NPPES registry for Jeng Chang is (206) 362-2127.
- Does Jeng Chang accept Medicare?
- Jeng Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeng Chang's NPI active?
- Yes — Jeng Chang's NPI (1194704478) is active in the NPPES registry as of the last update on 2007-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.