Dr. Ji Won Ahn, MD

Dr. Ahn practices at Richmond Medical Center in Richmond, California.

Dr. Ahn's NPI, 1023460243, was assigned on July 12, 2016. Dr. Ahn graduated from WashU Medicine in 2016. Dr. Ahn's Minnesota license number on file is 66941.

Dr. Ahn's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.

Dr. Ahn's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ahn to 1 more group practice or clinic and 1 medical group, each named with a free account.

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

Mohs-micrographic surgery is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 207ND0101X. Dr. Ahn is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Ahn's licenses on file in 4 states: Minnesota, California, Pennsylvania and Michigan.

Dmand AI lists benign or precancerous skin growths and cancerous skin growth removal among the conditions Dr. Ahn treats.

CMS data shows 244 Medicare services from Dr. Ahn across 7 procedure codes in 2024, for 60 Medicare patients. Medicare paid $16,981 for them. Every service was in an office.

CMS counts 60 Medicare patients who saw Dr. Ahn in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.33, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 73, with 55% women.

In 2024, Dr. Ahn wrote 202 Medicare Part D claims for 128 patients. 100% of them were for generic drugs. CMS names the drug for 180 of them, across 5 drugs with 11 or more claims each, at $1,686 in total drug cost. In 2023, CMS named 330 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Ahn for performance year 2024, reported as part of a group. Dr. Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

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

Dmand AI links 12 papers to Dr. Ahn, published from 2019 to 2024. 2022 was the busiest year, with 3. The most frequent topics are Skin Neoplasms, Diagnosis, Differential and Melanoma. Dr. Ahn has published most often in Cutis. Dr. Ahn's most frequent co-authors are Barbara Louise Mullen, MD, Nora Sayel Ali, MD and Jerry D. Brewer, MD.

CMS Open Payments shows 2 general payments to Dr. Ahn from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $45.

Dr. Ahn graduated from WashU Medicine in 2016.

Dr. Ahn is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.