Gun Ho Lee
Dermatology Physician · Union City, CA
Gun Ho Lee is a dermatology physician with a practice address in Union City, California, and NPI 1871120576, issued on Mar 24, 2020. Check the license (California A194504, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gun Ho Lee
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A194504 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3555 Whipple RD, Union City, CA 94587
- Phone
- (510) 675-3030
- Enumerated
- Mar 24, 2020
- Record last updated
- Sep 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20240808001030); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 3555 Whipple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacqueline Arroyo, JACQUELINE ARROYOPsychologist1275689531
Verify Gun Ho Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A194504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average dermatology physician in 2024
286 Medicare Part D claims for 138 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
- Tacrolimus41 claims
- Ketoconazole33 claims
- Fluorouracil25 claims
- Calcipotriene23 claims
- Triamcinolone Acetonide22 claims
- Clobetasol Propionate21 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
- Permanente Medical Group IncUnion City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gun Ho Lee among 2,083 dermatology physician records in California
Gun Ho Lee 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 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2020 · median 2006 among the 1,450 with a school on file
- Record last updated2024 · 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 Union City → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Kimberly ChunUnion City, CA 945871316381304
- Jennifer Chwalek, MDUnion City, CA 945871407999667
- Michael Hardy, M.D.Union City, CA 945871437237203
- Lucy Liu, MDUnion City, CA 945871568951838
- Eunice Tsai, M.D.Union City, CA 945871609070051
- Ari Udugama, M.D.Union City, CA 945871093893851
- Juliana Cinque, MDPleasanton, CA 945881083643084
- Minh Dang, MDPleasanton, CA 945881629058441
Common questions
What is Gun Ho Lee's NPI number?
Gun Ho Lee's National Provider Identifier (NPI) is 1871120576, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gun Ho Lee located?
The NPPES record lists a practice address at 3555 Whipple RD, Union City, CA, 94587. Phone: (510) 675-3030. Providers update this record themselves, so call before visiting.
How can I verify Gun Ho Lee's license?
NPPES lists California license number A194504, 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 Gun Ho Lee prescribe under Medicare Part D?
In 2024, Gun Ho Lee had 286 Medicare Part D claims for 138 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.