Kay Keeyeul Sung, M.D.
Procedural Dermatology Physician · Newport Beach, CA
Kay Keeyeul Sung, M.D. is a procedural dermatology physician with a practice address in Newport Beach, California, and NPI 1336278720, issued on Mar 3, 2007. Check the license (California A86806, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kay Keeyeul Sung
- Credential
- M.D.
- Primary taxonomy
- Procedural Dermatology Physician 207NS0135X
- License number
- A86806 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1525 Superior Ave Ste 210, Newport Beach, CA 92663
- Phone
- (949) 722-3555
- Enumerated
- Mar 3, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (949) 722-3512
- Medicare enrollment
- Enrolled (PECOS I20040818000276); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2000
- Entity
- Type 1 · individual
8 nearest procedural dermatology physician records → All 120 in California → Look up another NPI →
Also registered at 1525 Superior Ave Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Bassett, M.D., M.P.H.Urology Physician1174718399
Verify Kay Keeyeul Sung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average procedural dermatology physician in 2024
242 Medicare Part D claims for 125 beneficiaries, against an average of 713 among the 446 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clobetasol Propionate37 claims
- Mometasone Furoate36 claims
- Ketoconazole35 claims
- Doxycycline Hyclate17 claims
- Mupirocin17 claims
- Pimecrolimus15 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 MIPS final score for 2023 (Medicare payment program): 73.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Integrated Dermatology And Dermatopathology IncLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kay Keeyeul Sung among 120 procedural dermatology physician records in California
Kay Keeyeul Sung, M.D. is one of 120 procedural dermatology physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 24% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2000 · median 1993 among the 62 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207NS0135X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Procedural Dermatology Physician providers in California
There are 120 procedural dermatology physician records in California.
All 120 in California → Every provider in Newport Beach → Procedural Dermatology Physician nationwide →
The 8 procedural dermatology physician records with the nearest ZIP codes
- Laila Elkeeb, MDNewport Beach, CA 926601023196649
- Tanya Foreman, M.D.Newport Beach, CA 926601497706113
- Christopher Carlin, M.D.San Clemente, CA 926731336186493
- Daniel Dicesare, M.D.Rancho Santa Margarita, CA 926881902859093
- Natasha Mesinkovska, M.D. PH.D.Mission Viejo, CA 926921346415437
- Christopher Zachary, M.D.Irvine, CA 926971013943836
- Lina Kennedy, M.D.Corona Del Mar, CA 926251467719260
- Patricia BrennIrvine, CA 926121609281328
Common questions
What is Kay Keeyeul Sung, M.D.'s NPI number?
Kay Keeyeul Sung, M.D.'s National Provider Identifier (NPI) is 1336278720, issued on Mar 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kay Keeyeul Sung, M.D. located?
The NPPES record lists a practice address at 1525 Superior Ave Ste 210, Newport Beach, CA, 92663. Phone: (949) 722-3555. Providers update this record themselves, so call before visiting.
How can I verify Kay Keeyeul Sung, M.D.'s license?
NPPES lists California license number A86806, 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 Kay Keeyeul Sung, M.D. prescribe under Medicare Part D?
In 2024, Kay Keeyeul Sung, M.D. had 242 Medicare Part D claims for 125 beneficiaries; the average among procedural dermatology physician prescribers was 713. Part D covers Medicare prescriptions only.
What is Kay Keeyeul Sung, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.3 of 100. 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.