Michael P. Heffernan, MD
NPI 1518923432ActiveIndividual· Dermatology· San Luis Obispo, CA
Dermatology (MD) in San Luis Obispo, California, trained at University of Michigan Medical School (class of 1993). In 2024 Medicare paid $2,223,462 for 2,646 patients, and Part D covered 3,081 of their prescriptions, 88% of them generic. Lilly USA, LLC was the largest of 20 companies reporting payments in 2025, $61,333 in all, mostly speaking and faculty fees.
Overview
| NPI | 1518923432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 21, 2006 |
| Last updated in NPPES | Oct 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | G80065 | CA |
| Dermatology | 207N00000X | 35074557 | OH |
| Dermatology | 207N00000X | 01072447A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,646 |
|---|---|
| Services billed | 39,755 across 117 procedure codes |
| Paid by Medicare | $2,223,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,081 · 3,486 30-day fills |
|---|---|
| Patients | 1,200 |
| Total drug cost | $1,682,565 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Dermatology |
Medical group
- San Luis Dermatology, Inc.San Luis Obispo, CA · 6 clinicians
Hospital affiliations
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Other facilities
- Central Coast Home Health IncHome health agency · San Luis Obispo, CA
Industry payments (Open Payments)
- 2025$61,333 · 85 payments from 20 companies
- 2024$13,213 · 69 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $35,679 | 28 |
| Abbvie Inc. | $19,516 | 10 |
| Neurocrine Biosciences, Inc. | $4,500 | 4 |
| Organogenesis Inc. | $189.23 | 4 |
| Novartis Pharmaceuticals Corporation | $185.60 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$32,600 · 17 payments
- Grant$19,155 · 3 payments
- Consulting Fee$4,500 · 4 payments
- Food and Beverage$2,554 · 57 payments
- Travel and Lodging$2,525 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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