Hsi Yen, MD, MPH
Dermatology Physician · Los Angeles, CA
Hsi Yen, MD, MPH is a dermatology physician with a practice address in Los Angeles, California, and NPI 1982345369, issued on Apr 7, 2022. Check the license (California A207683, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hsi Yen
- Credential
- MD, MPH
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A207683 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd # 144, Los Angeles, CA 90027
- Phone
- (323) 361-4191
- Enumerated
- Apr 7, 2022
- Record last updated
- Apr 30, 2026
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Verify Hsi Yen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A207683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $282.06
6 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme 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.
Hsi Yen among 2,083 dermatology physician records in California
Hsi Yen, MD, MPH 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 2022, is newer than 97% of them.
- NPI issued2022 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 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
- Habibollah Alamdari, M.D.Los Angeles, CA 900271649536780
- Michelle ChengLos Angeles, CA 900271720582059
- Maggie ChowLos Angeles, CA 900271780078634
- Ryan Church, M.D.Los Angeles, CA 900271275978504
- Nancy Habib, MDLos Angeles, CA 900271639490493
- E. Hankins, M.D.Los Angeles, CA 900271770663502
- Megan Inkeles, MD, PHDLos Angeles, CA 900271306200902
- Marvin Klapman, MDLos Angeles, CA 900271427129345
Common questions
What is Hsi Yen, MD, MPH's NPI number?
Hsi Yen, MD, MPH's National Provider Identifier (NPI) is 1982345369, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Hsi Yen, MD, MPH located?
The NPPES record lists a practice address at 4650 W Sunset Blvd # 144, Los Angeles, CA, 90027. Phone: (323) 361-4191. Providers update this record themselves, so call before visiting.
How can I verify Hsi Yen, MD, MPH's license?
NPPES lists California license number A207683, 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.
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.