Christopher Joseph Edward Harper, M.D.
NPI 1013150630ActiveIndividual· Dermatology· Pomona, CA
Dermatology (M.D.) with Chaparral Medical Group Inc, practicing in Pomona, California. Their prescriptions cost Medicare Part D more than their services did: $682,514 for 1,248 claims, against $99,118 paid for services in 2024. Genzyme Corporation was the largest of 12 companies reporting payments in 2025, $873.94 in all, mostly food and beverage.
Overview
| NPI | 1013150630 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 13, 2009 |
| Last updated in NPPES | Apr 21, 2023 |
| Certified by provider | Apr 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A137455 | CA |
| Family Medicine | 207Q00000X | 266603-1 | NY |
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 | 283 |
|---|---|
| Services billed | 1,076 across 40 procedure codes |
| Paid by Medicare | $99,118 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,248 · 1,411 30-day fills |
|---|---|
| Patients | 531 |
| Total drug cost | $682,514 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Chaparral Medical Group IncPomona, CA · 65 clinicians
Industry payments (Open Payments)
- 2025$873.94 · 39 payments from 12 companies
- 2024$1,867 · 72 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $220.15 | 6 |
| Abbvie Inc. | $173.87 | 14 |
| Ucb, Inc. | $97.23 | 3 |
| Incyte Corporation | $82.76 | 3 |
| Regeneron Healthcare Solutions, Inc. | $67.18 | 2 |
What the 2025 payments were for
- Food and Beverage$873.94 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Pomona
- 1730373101
- 1821037581
- 1326156233