Melvin Weiwen Chiu, MD
Dermatology Physician · Los Angeles, CA
Melvin Weiwen Chiu, MD is a dermatology physician with a practice address in Los Angeles, California, and NPI 1275566788, issued on Jul 8, 2006. Check the license (California A81376, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Melvin Weiwen Chiu
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A81376 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 San Pablo St Ste 2000, Los Angeles, CA 90033
- Phone
- (323) 442-6200
- Enumerated
- Jul 8, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (323) 442-6299
- Medicare enrollment
- Enrolled (PECOS I20050627000905); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- 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 1450 San Pablo St Ste 2000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandon Adler, MDDermatology Physician1992199251
- Christopher Campbell, M.D.Plastic Surgery Physician1073705034
- Ashley Crew, M.D.Dermatology Physician1942536834
- Vincent Deleo, MDDermatology Physician1134110091
- Nada Elbuluk, MDDermatology Physician1013146307
- Jenny Hu, M.D.Dermatology Physician1558513101
Verify Melvin Weiwen Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average dermatology physician in 2024
1,107 Medicare Part D claims for 336 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Ketoconazole154 claims
- Triamcinolone Acetonide97 claims
- Dupixent Pen79 claims
- Fluocinonide54 claims
- Tacrolimus54 claims
- Fluocinolone Acetonide49 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.
Industry payments in 2024: $25.07
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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
- Usc Care Medical Group IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melvin Weiwen Chiu among 2,083 dermatology physician records in California
Melvin Weiwen Chiu, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2001 · 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 Los Angeles → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Summer Chong, M.D.Los Angeles, CA 900331770803181
- Goli Compoginis, M.D.Los Angeles, CA 900331619158029
- Ashley Crew, M.D.Los Angeles, CA 900331942536834
- Vincent Deleo, MDLos Angeles, CA 900331134110091
- Nada Elbuluk, MDLos Angeles, CA 900331013146307
- Jenny Hu, M.D.Los Angeles, CA 900331558513101
- Fu-Tong Liu, MD, PHDLos Angeles, CA 900331164471918
- Binh Ngo, M.D.Los Angeles, CA 900331083812770
Common questions
What is Melvin Weiwen Chiu, MD's NPI number?
Melvin Weiwen Chiu, MD's National Provider Identifier (NPI) is 1275566788, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melvin Weiwen Chiu, MD located?
The NPPES record lists a practice address at 1450 San Pablo St Ste 2000, Los Angeles, CA, 90033. Phone: (323) 442-6200. Providers update this record themselves, so call before visiting.
How can I verify Melvin Weiwen Chiu, MD's license?
NPPES lists California license number A81376, 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 Melvin Weiwen Chiu, MD prescribe under Medicare Part D?
In 2024, Melvin Weiwen Chiu, MD had 1,107 Medicare Part D claims for 336 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.