NPPES file of Aug 9, 2026

Clifford Hsieh, M.D.

Dermatology Physician · Gilroy, CA

Clifford Hsieh, M.D. is a dermatology physician with a practice address in Gilroy, California, and NPI 1164876801, issued on Apr 19, 2016. Check the license (California A169244, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164876801
Name
Clifford Hsieh
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
A169244 CA
125.068785 IL
Self-reported in NPPES; status is on the state search
Practice location
7520 Arroyo Cir, Gilroy, CA 95020
Phone
(408) 848-7040
Enumerated
Apr 19, 2016
Record last updated
Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210126001239); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 7520 Arroyo Cir

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Megan Abdolrashidi, PSYDClinical Psychologist1093293094
  2. Vasumitha Alamelu, MDInternal Medicine Physician1194801613
  3. Heather AnkenyClinical Psychologist1235329012
  4. John Arvizu, O.D.Corneal and Contact Management Optometrist1326195538
  5. Robert Biggs, MDInternal Medicine Physician1770669277
  6. Paul Cheesman, MDPediatrics Physician1457437972

Verify Clifford Hsieh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A169244
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

4% fewer Medicare Part D claims than the average dermatology physician in 2024

762 Medicare Part D claims for 266 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Clifford Hsieh762
  2. Specialty average797

Most prescribed

  1. Ketoconazole93 claims
  2. Fluorouracil82 claims
  3. Clobetasol Propionate66 claims
  4. Fluocinonide62 claims
  5. Tacrolimus60 claims
  6. Triamcinolone Acetonide55 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncGilroy, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clifford Hsieh among 2,083 dermatology physician records in California

Clifford Hsieh, M.D. 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 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2016 · 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.

The 8 dermatology physician records with the nearest ZIP codes

  1. Kent Carson, M.D.Gilroy, CA 950201508810292
  2. Tran Do, MD/PHDGilroy, CA 950201952050155
  3. Gerrit Henry, D,IOGilroy, CA 950201194781294
  4. Swapna Reddy, M.D.Gilroy, CA 950201467754200
  5. Clayton Schiltz, D.O.Gilroy, CA 950201003135823
  6. Stephen Sesody, DOGilroy, CA 950201053497578
  7. David South, MDFreedom, CA 950191053470468
  8. Kristin Hudacek, M.D.Cupertino, CA 950141275760910

Common questions

What is Clifford Hsieh, M.D.'s NPI number?

Clifford Hsieh, M.D.'s National Provider Identifier (NPI) is 1164876801, issued on Apr 19, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Clifford Hsieh, M.D. located?

The NPPES record lists a practice address at 7520 Arroyo Cir, Gilroy, CA, 95020. Phone: (408) 848-7040. Providers update this record themselves, so call before visiting.

How can I verify Clifford Hsieh, M.D.'s license?

NPPES lists California license number A169244, 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 Clifford Hsieh, M.D. prescribe under Medicare Part D?

In 2024, Clifford Hsieh, M.D. had 762 Medicare Part D claims for 266 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.