Derek Y. Hsu, MD
Dermatology Physician · San Francisco, CA
Derek Y. Hsu, MD is a dermatology physician with a practice address in San Francisco, California, and NPI 1477944841, issued on Feb 6, 2015. Check the license (California A172646, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Derek Y. Hsu
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- A172646 CA
125070649 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Daniel Burnham CT Ste 305C, San Francisco, CA 94109
- Phone
- (415) 771-6300
- Enumerated
- Feb 6, 2015
- Record last updated
- Aug 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210817002857); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2017
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 1 Daniel Burnham CT Ste 305C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sae Won Kim, DDSDentist1528603909
Verify Derek Y. Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A172646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average dermatology physician in 2024
1,218 Medicare Part D claims for 380 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
- Ketoconazole169 claims
- Clobetasol Propionate122 claims
- Triamcinolone Acetonide114 claims
- Mupirocin79 claims
- Clindamycin Phosphate67 claims
- Fluocinonide52 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): 77.9 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: $2,266.85
99 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- J Robert West MD IncSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Y. Hsu among 2,083 dermatology physician records in California
Derek Y. Hsu, 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 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2017 · median 2006 among the 1,450 with a school on file
- Record last updated2021 · 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 San Francisco → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Deborah Altemus, DOSan Francisco, CA 941091821180993
- Azucena Arguelles, MDSan Francisco, CA 941091538265889
- Joseph Chao, MDSan Francisco, CA 941091861805210
- Malcolm Pyles, MDSan Francisco, CA 941091023570041
- Rupa Badlani, M.D.San Francisco, CA 941081790001170
- Adrienne Barry, MD, PHDSan Francisco, CA 941081316475270
- Michael Burns, MDSan Francisco, CA 941081063455343
- Caren Campbell, MDSan Francisco, CA 941081417219114
Common questions
What is Derek Y. Hsu, MD's NPI number?
Derek Y. Hsu, MD's National Provider Identifier (NPI) is 1477944841, issued on Feb 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Derek Y. Hsu, MD located?
The NPPES record lists a practice address at 1 Daniel Burnham CT Ste 305C, San Francisco, CA, 94109. Phone: (415) 771-6300. Providers update this record themselves, so call before visiting.
How can I verify Derek Y. Hsu, MD's license?
NPPES lists California license number A172646, 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 Derek Y. Hsu, MD prescribe under Medicare Part D?
In 2024, Derek Y. Hsu, MD had 1,218 Medicare Part D claims for 380 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Derek Y. Hsu, MD's MIPS final score?
The 2023 MIPS final score is 77.9 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.