Christiaan P. Hallman, M.D.
NPI 1154313732ActiveIndividual· Dermatology· Pasadena, CA
Dermatology (M.D.) in Pasadena, California, licensed in CA, with an NPI issued in August 2005. Their prescriptions cost Medicare Part D more than their services did: $35,720 for 887 claims, against $5,893 paid for services in 2024. Arcutis Biotherapeutics, Inc. reported $19.36 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154313732 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 18, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A54658 | 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 | 45 |
|---|---|
| Services billed | 184 across 17 procedure codes |
| Paid by Medicare | $5,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 887 · 953 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $35,720 |
| Generic share | 99% of claims |
Industry payments (Open Payments)
- 2025$19.36 · 1 payment from 1 company
- 2024$256.76 · 8 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $19.36 | 1 |
What the 2025 payments were for
- Food and Beverage$19.36 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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