Dr. Michael P. Heffernan, MD

Dr. Heffernan practices at San Luis Dermatology, Inc. in San Luis Obispo, California.

Dr. Heffernan's NPI, 1518923432, was assigned on April 21, 2006. Dr. Heffernan graduated from University Of Michigan Medical School in 1993. Dr. Heffernan holds California license G80065.

Dr. Heffernan's primary practice is San Luis Dermatology, Inc., at 15 Santa Rosa St, San Luis Obispo, CA 93405 in San Luis Obispo County. The practice phone is (805) 541-2650.

Dr. Heffernan's primary practice is San Luis Dermatology, Inc. in San Luis Obispo, California. Dr. Heffernan is also affiliated with Dignity Health - French Hospital Medical Center. The medical group on file is San Luis Dermatology and Laser Clinic. Dmand AI also links Dr. Heffernan to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heffernan practices, 5 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Heffernan's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Heffernan is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Heffernan's licenses on file in 6 states: California, Florida, Indiana, Missouri, Ohio and Michigan.

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, corns and calluses, facial skin infection and hives among the conditions Dr. Heffernan treats.

CMS data shows 37,782 Medicare services from Dr. Heffernan across 49 procedure codes in 2024, for 2,646 Medicare patients. Medicare paid $2,137,668 for them. Every service was in an office.

CMS counts 2,646 Medicare patients who saw Dr. Heffernan in 2024. The largest group is 75 to 84, with 1,226 patients. 73% of them have high cholesterol, and 64% have high blood pressure. 1% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Heffernan's median patient age at 79, with 48% women.

In 2024, Dr. Heffernan wrote 3,081 Medicare Part D claims for 1,200 patients. 88% of them were for generic drugs. CMS names the drug for 2,881 of them, across 31 drugs with 11 or more claims each, at $1,275,961 in total drug cost. In 2023, CMS named 2,228 claims across 30 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Heffernan for performance year 2024, reported as part of a group. Dr. Heffernan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 7,974 procedures of removal of skin lesions by Dr. Heffernan, more than 99% of the clinicians it reports for that procedure.

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

Dmand AI links 65 papers to Dr. Heffernan, published from 2003 to 2017. 2015 was the busiest year, with 3. The most frequent topics are Antibodies, Monoclonal, Humanized, Dermatologic Agents and Antibodies, Monoclonal. Dr. Heffernan has published most often in J Am Acad Dermatol. Dr. Heffernan's most frequent co-authors are Michael W. Heffernan, Andrew Yan, MD and Andrew Blauvelt, MD.

Dmand AI links Dr. Heffernan to 9 clinical trials. Conditions studied include Dermatitis, Atopic, Eczema and Psoriasis. Eli Lilly and Company sponsors the most, 6. Open Payments lists research payments to Dr. Heffernan that name 7 trials.

CMS Open Payments shows 759 general payments to Dr. Heffernan from 30 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 69% of the total. Eli Lilly and Company paid the most, $344,616. It also lists 28 research payments totaling $521,343 from 2017 to 2024, naming 7 clinical trials.

Dmand AI lists 8 awards for Dr. Heffernan, most recently Teacher of the Year-Dermatology in 2005.

Dr. Heffernan graduated from University Of Michigan Medical School in 1993.

Dr. Heffernan is in network with 3 carriers, including CareSource, Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.