Quynh L. Sebastian, M.D.
Dermatology Physician · Santa Monica, CA
Quynh L. Sebastian, M.D. is a dermatology physician with a practice address in Santa Monica, California, and NPI 1467540229, issued on Oct 10, 2006. Check the license (California A064443, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Quynh L. Sebastian
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A064443 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1260 15TH St, Santa Monica, CA 90404
- Phone
- (310) 917-4433
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 917-4432
- Medicare enrollment
- Enrolled (PECOS I20050309000396); may accept Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 1260 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Quynh L. Sebastian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A064443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average dermatology physician in 2024
370 Medicare Part D claims for 123 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Minoxidil44 claims
- Mupirocin42 claims
- Clobetasol Emollient38 claims
- Doxycycline Hyclate24 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $166.85
6 payments; by number, the most common kind was food and beverage; the largest payer was Revance Therapeutics, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Quynh L. Sebastian among 2,083 dermatology physician records in California
Quynh L. Sebastian, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1996 · median 2006 among the 1,450 with a school on file
- Record last updated2007 · 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 Santa Monica → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Ritu Batra, MD MPHSanta Monica, CA 904041356441869
- Richard Bennett, MDSanta Monica, CA 904041760416648
- David Beynet, M.D.Santa Monica, CA 904041679651590
- Gregory Colman, MDSanta Monica, CA 904041003884925
- Delphine Lee, MD, PHDSanta Monica, CA 904041710911284
- Billie Phelps, MDSanta Monica, CA 904041609949718
- Lauren Reager, MDSanta Monica, CA 904041316915267
- Parrish Sadeghi, MDSanta Monica, CA 904041275567927
Common questions
What is Quynh L. Sebastian, M.D.'s NPI number?
Quynh L. Sebastian, M.D.'s National Provider Identifier (NPI) is 1467540229, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Quynh L. Sebastian, M.D. located?
The NPPES record lists a practice address at 1260 15TH St, Santa Monica, CA, 90404. Phone: (310) 917-4433. Providers update this record themselves, so call before visiting.
How can I verify Quynh L. Sebastian, M.D.'s license?
NPPES lists California license number A064443, 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 Quynh L. Sebastian, M.D. prescribe under Medicare Part D?
In 2024, Quynh L. Sebastian, M.D. had 370 Medicare Part D claims for 123 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Quynh L. Sebastian, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.