NPPES file of Aug 9, 2026

Young Ha Tsai, M.D.

Dermatology Physician · San Diego, CA

Young Ha Tsai, M.D. is a dermatology physician with a practice address in San Diego, California, and NPI 1881984391, issued on Apr 18, 2011. Check the license (California A134991, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881984391
Name
Young Ha Tsai
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
A134991 CA
Self-reported in NPPES; status is on the state search
Practice location
10243 Genetic Center Dr, San Diego, CA 92121
Phone
(858) 526-6175
Enumerated
Apr 18, 2011
Record last updated
Jan 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150727001726); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 10243 Genetic Center Dr

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

  1. Basil Abramowitz, M.D.Family Medicine Physician1104832047
  2. Courtney Aivati, M.S., CCC-SLPSpeech-Language Pathologist1194157172
  3. Michelle Arnold, M.D.Otolaryngology Physician1417921891
  4. Ronald Benz, M.D.Otolaryngology Physician1043328503
  5. Eli BesserEmergency Medicine Physician1659843738
  6. Stanley Besser, M.D.Family Medicine Physician1760490031

Verify Young Ha Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A134991
    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.

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57% fewer Medicare Part D claims than the average dermatology physician in 2024

342 Medicare Part D claims for 161 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Young Tsai342
  2. Specialty average797

Most prescribed

  1. Fluorouracil52 claims
  2. Ketoconazole47 claims
  3. Triamcinolone Acetonide26 claims
  4. Clobetasol Propionate18 claims
  5. Dupixent Pen16 claims
  6. Cosentyx Sensoready (2 Pens)13 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): 73.6 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.

  1. Qualityout of 100 · 30% of the final score74.6
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $892.99

36 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, 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.

  1. Young Tsai$892.99
  2. Specialty average$8,544.61

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

  1. Sharp Rees-Stealy Medical Group IncSan Diego, CA

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

Young Ha Tsai among 2,083 dermatology physician records in California

Young Ha Tsai, 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 2011, is newer than 67% of them.

  • NPI issued2011 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2011 · median 2006 among the 1,450 with a school on file
  • Record last updated2020 · 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. Erik Austin, D.O., M.P.H.San Diego, CA 921211679629901
  2. Julie Gladsjo, MDSan Diego, CA 921211629234380
  3. Nadine Henley, M.D.San Diego, CA 921211407097942
  4. Camille Henninger, M.D.San Diego, CA 921211447221304
  5. Devika Icecreamwala, MDSan Diego, CA 921211639444748
  6. Sheila Krishna, MDSan Diego, CA 921211689817983
  7. Jin Lee, MDSan Diego, CA 921211639349111
  8. David Lortscher, M.D.San Diego, CA 921211285891150

Common questions

What is Young Ha Tsai, M.D.'s NPI number?

Young Ha Tsai, M.D.'s National Provider Identifier (NPI) is 1881984391, issued on Apr 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Young Ha Tsai, M.D. located?

The NPPES record lists a practice address at 10243 Genetic Center Dr, San Diego, CA, 92121. Phone: (858) 526-6175. Providers update this record themselves, so call before visiting.

How can I verify Young Ha Tsai, M.D.'s license?

NPPES lists California license number A134991, 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 Young Ha Tsai, M.D. prescribe under Medicare Part D?

In 2024, Young Ha Tsai, M.D. had 342 Medicare Part D claims for 161 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Young Ha Tsai, M.D.'s MIPS final score?

The 2023 MIPS final score is 73.6 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.