Dr. John Barry Siebenlist, MD

Dr. Siebenlist practices at Southern California Dermatology in San Luis Obispo, California.

Dr. Siebenlist's NPI, 1164476909, was assigned on May 19, 2006. Dr. Siebenlist graduated from Loma Linda University School Of Medicine in 1995. Dr. Siebenlist holds California license A61826.

Dr. Siebenlist's primary practice is Southern California Dermatology, at 805 Aerovista Pl, San Luis Obispo, CA 93401 in San Luis Obispo County. The practice phone is (949) 644-0101.

Dr. Siebenlist's primary practice is Southern California Dermatology in San Luis Obispo, California. Dr. Siebenlist is also affiliated with Dignity Health - French Hospital Medical Center. The medical group on file is West Dermatology. Dmand AI also links Dr. Siebenlist to 1 more hospital and 1 group practice or clinic, each named with a free account.

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

Procedural dermatology is Dr. Siebenlist's primary specialty in the NPI Registry, under taxonomy code 207NS0135X. Dr. Siebenlist is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Siebenlist's licenses on file in 2 states: California and Texas.

Dmand AI lists acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, itchy rashes, joint cyst and psoriasis among the conditions Dr. Siebenlist treats.

CMS data shows 5,551 Medicare services from Dr. Siebenlist across 37 procedure codes in 2024, for 1,146 Medicare patients. Medicare paid $955,729 for them. Every service was in an office.

CMS counts 1,146 Medicare patients who saw Dr. Siebenlist in 2024. The largest group is 65 to 74, with 511 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Siebenlist's median patient age at 66, with 53% women.

In 2024, Dr. Siebenlist wrote 730 Medicare Part D claims for 409 patients. 94% of them were for generic drugs. CMS names the drug for 575 of them, across 14 drugs with 11 or more claims each, at $87,529 in total drug cost. In 2023, CMS named 446 claims across 13 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Siebenlist for performance year 2024, reported as part of a group. Dr. Siebenlist accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 371 procedures of melanoma (skin cancer) excision by Dr. Siebenlist, more than 99% of the clinicians it reports for that procedure.

CMS Open Payments shows 273 general payments to Dr. Siebenlist from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,086.

Dmand AI lists 3 awards for Dr. Siebenlist, most recently CMS Stage 1 EHR in 2013.

Dr. Siebenlist graduated from Loma Linda University School Of Medicine in 1995. Dr. Siebenlist is a member of AAD and ASDS.

Dr. Siebenlist is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.