Allison Mary Han, MD
NPI 1316408214ActiveIndividual· Dermatology, Pediatric Dermatology· San Diego, CA
Dermatology, Pediatric Dermatology (MD) in San Diego, California, trained at University of California, San Diego School of Medicine (class of 2019). Mostly services rather than prescriptions: Medicare paid $11,385 for 69 patients in 2024, with only 37 Part D claims. Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $292.45 in all, mostly food and beverage.
Overview
| NPI | 1316408214 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2019 |
| Last updated in NPPES | Sep 24, 2024 |
| Certified by provider | Sep 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, Pediatric Dermatology Primary | 207NP0225X | A182480 | CA |
| Dermatology | 207N00000X | A182480 | CA |
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 | 69 |
|---|---|
| Services billed | 169 across 20 procedure codes |
| Paid by Medicare | $11,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 39 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $804.78 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
Medical group
- Bernardo Dermatology Medical Group IncPoway, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$292.45 · 19 payments from 4 companies
- 2024$157.60 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $160.80 | 11 |
| Genzyme Corporation | $55.13 | 3 |
| Incyte Corporation | $43.37 | 3 |
| Ucb, Inc. | $33.15 | 2 |
What the 2025 payments were for
- Food and Beverage$192.46 · 18 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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