Ellen Haddock, MD
NPI 1851823454ActiveIndividual· Dermatology· Fremont, CA
Dermatology (MD) in Fremont, California, trained at University of California, San Diego School of Medicine (class of 2017). 340 Medicare patients in 2024, $86,399 paid; nearly all of their 624 Part D prescriptions were generic (95%). Leo Pharma Inc. was the largest of 4 companies reporting payments in 2025, $180.85 in all, mostly food and beverage.
Overview
| NPI | 1851823454 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2017 |
| Last updated in NPPES | Nov 18, 2024 |
| Certified by provider | Nov 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A157683 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 340 |
|---|---|
| Services billed | 1,352 across 36 procedure codes |
| Paid by Medicare | $86,399 |
Part D prescriptions in 2024
| Prescriptions (claims) | 624 · 778 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $71,733 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$180.85 · 5 payments from 4 companies
- 2024$65.69 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $80.32 | 1 |
| Abbvie Inc. | $48.13 | 2 |
| Galderma Laboratories, L.P. | $27.68 | 1 |
| Arcutis Biotherapeutics, Inc. | $24.72 | 1 |
What the 2025 payments were for
- Food and Beverage$180.85 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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