Frank Zhan, MD
MOHS-Micrographic Surgery · Mission Viejo, CANPI 1053468934
Payments from drug & device makers
Across 116 payments — averaging $22.36 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$462
- Regeneron Healthcare Solutions, Inc.$390
- Lilly USA, LLC$249
- Johnson & Johnson$248
- AbbVie$241
- E.r. Squibb & Sons, L.L.C.$198
- plus $805 from 18 others
What the payments were for
- Food & beverage$2,49896%
- Education$954%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Pfizer | 25 | $462 |
| Regeneron Healthcare Solutions, Inc. | 12 | $390 |
| Lilly USA, LLC | 12 | $249 |
| Johnson & Johnson | 8 | $248 |
| AbbVie | 13 | $241 |
| E.r. Squibb & Sons, L.L.C. | 6 | $198 |
| Amgen | 12 | $193 |
| Sun Pharmaceutical Industries Inc. | 3 | $83 |
| Almirall LLC | 3 | $63 |
| Sanofi | 2 | $61 |
| Arcutis Biotherapeutics, Inc. | 3 | $59 |
| Incyte Corporation | 2 | $50 |
| Galderma Laboratories, L.p. | 2 | $40 |
| Botanix SB Inc | 2 | $37 |
| Biofrontera Inc. | 2 | $34 |
| UCB, Inc. | 1 | $28 |
| Boehringer Ingelheim | 1 | $27 |
| Bristol Myers Squibb | 1 | $25 |
| Dermavant Sciences, Inc. | 1 | $21 |
| Novartis | 1 | $20 |
| LEO Pharma Inc. | 1 | $19 |
| LNHC, Inc | 1 | $17 |
| Genentech USA, Inc. | 1 | $17 |
| Ortho Dermatologics, A Division Of Bausch Health US, LLC | 1 | $14 |
How this compares
$2,593 in reported general payments places this provider in the 50th percentile of 144 mohs-micrographic surgery providers in California.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Dupixent PenDupilumab | 34 | $128,133 |
| Ketoconazole | 666 | $10,167 |
| Metronidazole | 288 | $9,837 |
| Fluorouracil | 181 | $8,186 |
| Calcipotriene | 25 | $6,738 |
| Fluocinonide | 152 | $6,352 |
| Clobetasol Propionate | 141 | $5,148 |
| Triamcinolone Acetonide | 205 | $4,243 |
| Clindamycin Phosphate | 168 | $3,857 |
| Ciclopirox | 128 | $2,869 |
| Betamethasone Dipropionate | 29 | $2,171 |
| Mupirocin | 363 | $2,127 |
| Doxycycline Hyclate | 40 | $1,287 |
| Minocycline Hcl | 36 | $1,257 |
| Tacrolimus | 11 | $1,245 |
Paid to pharmacies, not to this prescriber.
Other mohs-micrographic surgery in Mission Viejo
- Michael MortazieOrange$1.2M
- Thuzar ShinSacramento$353K
- Sarah ArronBurlingame$223K
- Christopher Crosbyla Mesa$211K
- Abel TorresLoma Linda$136K
- Robert ScheinbergOceanside$129K
- Sherry RotundaOceanside$99K
- Sumaira AasiStanford$66K
- Daniel Zelacla Jolla$43K
- Ralph MasseySanta Monica$38K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.