William Kwan, MD
NPI 1376504407 · Dermatology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kwan, MD is a Dermatology Physician provider in Los Angeles, CA (NPI 1376504407).
Provider details
- NPI number
- 1376504407
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G73605 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,320 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-29
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is William Kwan's NPI number?
- William Kwan's National Provider Identifier (NPI) is 1376504407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kwan's specialty?
- William Kwan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Kwan located?
- William Kwan's practice location on file with NPPES is 8631 W 3rd St Ste 1035, Los Angeles, CA 90048-5964.
- What is William Kwan's phone number?
- The practice phone number listed in the NPPES registry for William Kwan is (310) 659-9075.
- Does William Kwan accept Medicare?
- William Kwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kwan's NPI active?
- Yes — William Kwan's NPI (1376504407) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.