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W DERMATOLOGY WEST COVINA INC.
NPI 1053282103
Dermatology in West Covina, CA

Active since September 12, 2025CLIA 05D0688200 · Certificate of Compliance
933 S SUNSET AVE STE 301, WEST COVINA, CA 91790(626) 960-5464 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About W Dermatology West Covina Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

W DERMATOLOGY WEST COVINA INC. (NPI 1053282103) is a healthcare organization registered as a dermatology in West Covina, California and active in the NPI registry since September 2025. The organization holds a CLIA Certificate of Compliance certificate valid through March 23, 2027 and lists James G Wu, Owner/dermatologist, as its authorized official.

NPPES Registry Identity

NPI1053282103
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameW DERMATOLOGY WEST COVINA INC.
Location Address933 S SUNSET AVE STE 301West Covina, CA 91790-3410
Mailing Address933 S Sunset Ave Ste 301West Covina, CA 91790-3410 · (626) 960-5464
Phone(626) 960-5464
Organization SubpartNo
Authorized OfficialJames G WuOwner/dermatologist · (323) 818-2734
Enumeration DateSeptember 12, 2025
NPPES CertifiedSeptember 12, 2025
✔ NPI 1053282103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
933 S SUNSET AVE STE 301, West Covina, CA 91790
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

W Dermatology West Covina Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to W Dermatology West Covina Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Richard Chu, MD
Dermatology
NPI 1952405102
933 SOUTH SUNSET AVE SUITE 301
West Covina, CA 91790
(626) 960-5464
✔ PECOS✔ Accepts MedicareSame address
Merrick Brodsky, MD
Dermatology
NPI 1609300649
3828 SCHAUFELE AVE STE 300
Long Beach, CA 90808
(562) 997-1144
✔ PECOS✔ Accepts Medicare20 mi
James Wu
Dermatology
NPI 1851711345
1045 ATLANTIC AVE STE 819
Long Beach, CA 90813
(562) 435-5621
✔ PECOS✔ Accepts Medicare24 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 05D0688200

W Dermatology West Covina · West Covina, CA
Active · expires Mar 23, 2027
CLIA Number05D0688200
Laboratory TypePhysician Office
Certificate Effective DateMarch 24, 2025
Certificate Expiration DateMarch 23, 2027
Laboratory DirectorJames Wu
Laboratory Phone(626) 960-5464
Laboratory LocationW Dermatology West Covina933 S Sunset Ave, Ste 301, West Covina, CA 91790
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is W Dermatology West Covina Inc.'s NPI number?

The NPI number for W Dermatology West Covina Inc. is 1053282103. It was assigned to this organization in the NPPES registry on September 12, 2025.

Where is W Dermatology West Covina Inc. located?

W Dermatology West Covina Inc. is located at 933 S Sunset Ave Ste 301, West Covina, CA 91790. The listed phone number is (626) 960-5464.

What is W Dermatology West Covina Inc.'s specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is W Dermatology West Covina Inc. enrolled in Medicare?

Yes. W Dermatology West Covina Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through W Dermatology West Covina Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Dermatology, reassign their Medicare billing to W Dermatology West Covina Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does W Dermatology West Covina Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D0688200) is associated with this NPI, valid through March 23, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for W Dermatology West Covina Inc. was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.