Dr. Nilanthi D. Gunawardane, MD

Dr. Gunawardane practices at St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California.

Dr. Gunawardane's NPI, 1124351051, was assigned on September 10, 2009. Dr. Gunawardane graduated from Harvard Medical School in 2009. Dr. Gunawardane holds California license 130772.

Dr. Gunawardane's primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening, at 2501 E. Chapman Ave. Ste. 102, Orange, CA 92869. The practice phone is (714) 628-3305.

Dr. Gunawardane's primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California. Dr. Gunawardane is also affiliated with Fremont Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Gunawardane to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Gunawardane's employer is on file too: a breast imaging center.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gunawardane practices, 3 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Gunawardane's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Gunawardane is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Gunawardane's licenses on file in 2 states: California and Illinois.

Dmand AI lists acne, benign or precancerous skin growths, contact dermatitis, itchy rashes and skin cyst among the conditions Dr. Gunawardane treats.

CMS data shows 654 Medicare services from Dr. Gunawardane across 9 procedure codes in 2024, for 220 Medicare patients. Medicare paid $43,033 for them. Every service was in an office.

CMS counts 220 Medicare patients who saw Dr. Gunawardane in 2024. The largest group is 65 to 74, with 125 patients. 70% of them have high cholesterol, and 63% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gunawardane's median patient age at 67, with 62% women.

In 2024, Dr. Gunawardane wrote 1,183 Medicare Part D claims for 487 patients. 95% of them were for generic drugs. CMS names the drug for 1,086 of them, across 23 drugs with 11 or more claims each, at $117,227 in total drug cost. In 2023, CMS named 662 claims across 21 drugs.

Dr. Gunawardane accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 458 procedures of removal of skin lesions by Dr. Gunawardane, more than 86% of the clinicians it reports for that procedure.

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 6 papers to Dr. Gunawardane, published from 2012 to 2013. 2012 was the busiest year, with 2. The most frequent topics are Immunocompromised Host and Immunosuppressive Agents. Dr. Gunawardane's most frequent co-authors are Jonathan Alan Cotliar, MD, Sarah Grace Baker, MD and Sandra K. Burchett, MD.

CMS Open Payments shows 122 general payments to Dr. Gunawardane from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $781.

Dr. Gunawardane graduated from Harvard Medical School in 2009.

Dr. Gunawardane is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.