Lucy Yichu Liu, MD
Dermatology Physician · Union City, CA
Lucy Yichu Liu, MD is a dermatology physician with a practice address in Union City, California, and NPI 1568951838, issued on May 2, 2018. Check the license (California A163589, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lucy Yichu Liu
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A163589 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
- May 2, 2018
- Record last updated
- Sep 27, 2023
- 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 Lucy Yichu Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average dermatology physician in 2024
332 Medicare Part D claims for 151 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Clobetasol Propionate43 claims
- Fluocinonide26 claims
- Fluorouracil26 claims
- Fluocinolone Acetonide24 claims
- Tacrolimus24 claims
- Triamcinolone Acetonide18 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.
Lucy Yichu Liu among 2,083 dermatology physician records in California
Lucy Yichu Liu, 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 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- 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 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
- Gun Ho LeeUnion City, CA 945871871120576
- 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 Lucy Yichu Liu, MD's NPI number?
Lucy Yichu Liu, MD's National Provider Identifier (NPI) is 1568951838, issued on May 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Lucy Yichu Liu, MD 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 Lucy Yichu Liu, MD's license?
NPPES lists California license number A163589, 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 Lucy Yichu Liu, MD prescribe under Medicare Part D?
In 2024, Lucy Yichu Liu, MD had 332 Medicare Part D claims for 151 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.