William Ruxi Zhang, MD
Dermatology Physician · Torrance, CA
William Ruxi Zhang, MD is a dermatology physician with a practice address in Torrance, California, and NPI 1679034649, issued on Mar 30, 2019. Check the license (California A178954, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Ruxi Zhang
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A178954 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2780 Skypark Dr Ste 110, Torrance, CA 90505
- Phone
- (310) 265-8422
- Enumerated
- Mar 30, 2019
- Record last updated
- Oct 2, 2023
- Medicare enrollment
- Enrolled (PECOS I20230817003635); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 2780 Skypark Dr Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pinting Chen, MDFamily Medicine Physician1528694593
- Kenneth Leung, MDInternal Medicine Physician1255080040
Verify William Ruxi Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A178954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average dermatology physician in 2024
1,652 Medicare Part D claims for 550 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide244 claims
- Ketoconazole207 claims
- Hydrocortisone154 claims
- Clobetasol Propionate112 claims
- Fluocinonide105 claims
- Clotrimazole82 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $149.80
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Ruxi Zhang among 2,083 dermatology physician records in California
William Ruxi Zhang, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2006 among the 1,450 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Torrance → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Ronald Algra, MDTorrance, CA 905051669588695
- Melissa Camouse, D.O.Torrance, CA 905051689885279
- Noah Craft, M.D.Torrance, CA 905051750351193
- Susan Goodlerner, M.D.Torrance, CA 905051588710834
- Mark Horowitz, DOTorrance, CA 905051669413878
- David HorowitzTorrance, CA 905051285675538
- Julie Iwasaki, M.D.Torrance, CA 905051548416019
- Shirlene Jay, MDTorrance, CA 905051730158197
Common questions
What is William Ruxi Zhang, MD's NPI number?
William Ruxi Zhang, MD's National Provider Identifier (NPI) is 1679034649, issued on Mar 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William Ruxi Zhang, MD located?
The NPPES record lists a practice address at 2780 Skypark Dr Ste 110, Torrance, CA, 90505. Phone: (310) 265-8422. Providers update this record themselves, so call before visiting.
How can I verify William Ruxi Zhang, MD's license?
NPPES lists California license number A178954, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Ruxi Zhang, MD prescribe under Medicare Part D?
In 2024, William Ruxi Zhang, MD had 1,652 Medicare Part D claims for 550 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is William Ruxi Zhang, MD's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.