Nilanthi Gunawardane, M.D.
Dermatology Physician · Orange, CA
Nilanthi Gunawardane, M.D. is a dermatology physician with a practice address in Orange, California, and NPI 1124351051, issued on Sep 10, 2009. Check the license (California 130772, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nilanthi Gunawardane
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 130772 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2501 E Chapman Ave Ste 301, Orange, CA 92869
- Phone
- (714) 628-3230
- Enumerated
- Sep 10, 2009
- Record last updated
- Jul 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20141111000878); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2009
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 2501 E Chapman Ave Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mehrnaz Hojjati, M. D.Rheumatology Physician1720029135
Verify Nilanthi Gunawardane in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 130772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average dermatology physician in 2024
1,183 Medicare Part D claims for 487 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Clobetasol Propionate173 claims
- Triamcinolone Acetonide104 claims
- Fluorouracil103 claims
- Ketoconazole95 claims
- Doxycycline Hyclate85 claims
- Mupirocin78 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.
Industry payments in 2024: $1,212.16
49 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nilanthi Gunawardane among 2,083 dermatology physician records in California
Nilanthi Gunawardane, 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 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2009 · 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 Orange → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Catherine Nguyen, MDOrange, CA 928691295199552
- Tanya Nino, M.DOrange, CA 928691194973529
- Elizabeth Cavalier, M.D.Orange, CA 928681932373701
- Sidharth ChandOrange, CA 928681992449466
- Andrew Creadore, MDOrange, CA 928681477139327
- Brooke Cui, MDOrange, CA 928681649706441
- Xiying Fan, MD, PHDOrange, CA 928681447811104
- Allene FonsecaOrange, CA 928681487008025
Common questions
What is Nilanthi Gunawardane, M.D.'s NPI number?
Nilanthi Gunawardane, M.D.'s National Provider Identifier (NPI) is 1124351051, issued on Sep 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nilanthi Gunawardane, M.D. located?
The NPPES record lists a practice address at 2501 E Chapman Ave Ste 301, Orange, CA, 92869. Phone: (714) 628-3230. Providers update this record themselves, so call before visiting.
How can I verify Nilanthi Gunawardane, M.D.'s license?
NPPES lists California license number 130772, 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 Nilanthi Gunawardane, M.D. prescribe under Medicare Part D?
In 2024, Nilanthi Gunawardane, M.D. had 1,183 Medicare Part D claims for 487 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.