James Guolin Wu
Dermatology Physician · Long Beach, CA
James Guolin Wu is a dermatology physician with a practice address in Long Beach, California, and NPI 1851711345, issued on Apr 23, 2014. Check the license (California A154528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Guolin Wu
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A154528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1045 Atlantic Ave Ste 819, Long Beach, CA 90813
- Phone
- (562) 435-5621
- Enumerated
- Apr 23, 2014
- Record last updated
- May 11, 2023
- Fax
- (562) 437-3121
- Medicare enrollment
- Enrolled (PECOS I20180830000684); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 1045 Atlantic Ave Ste 819
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Ulmer, MDDermatology Physician1225068984
Verify James Guolin Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154528Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average dermatology physician in 2024
1,001 Medicare Part D claims for 386 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Triamcinolone Acetonide142 claims
- Clobetasol Propionate103 claims
- Ketoconazole68 claims
- Doxycycline Hyclate53 claims
- Valacyclovir44 claims
- Fluocinonide40 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): 69.1 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: $235.77
10 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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 2 group practices
- W Dermatology West Covina IncWest Covina, CA
- WU Enterprise IncLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Guolin Wu among 2,083 dermatology physician records in California
James Guolin Wu 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 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2014 · median 2006 among the 1,450 with a school on file
- 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 Long Beach → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Douglas Ulmer, MDLong Beach, CA 908131225068984
- Bijan Dowlati, M.D.Long Beach, CA 908151346297108
- Sandy Kuo, M.D.Long Beach, CA 908151023438785
- Robert Miller, MDLong Beach, CA 908081053463760
- Katie Osley, M.D.Long Beach, CA 908071043535776
- Elana Putterman, MDLong Beach, CA 908071093277394
- Nancy Samolitis, M.D.Long Beach, CA 908071164688230
- Touradj Farhadi, M.D.Long Beach, CA 908061356567937
Common questions
What is James Guolin Wu's NPI number?
James Guolin Wu's National Provider Identifier (NPI) is 1851711345, issued on Apr 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is James Guolin Wu located?
The NPPES record lists a practice address at 1045 Atlantic Ave Ste 819, Long Beach, CA, 90813. Phone: (562) 435-5621. Providers update this record themselves, so call before visiting.
How can I verify James Guolin Wu's license?
NPPES lists California license number A154528, 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 James Guolin Wu prescribe under Medicare Part D?
In 2024, James Guolin Wu had 1,001 Medicare Part D claims for 386 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is James Guolin Wu's MIPS final score?
The 2023 MIPS final score is 69.1 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.