Stephanie A. Christenson, MD
NPI 1528234937ActiveIndividual· Internal Medicine· Oakland, CA
Internal Medicine (MD) in Oakland, California, trained at Medical College of Wisconsin (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $97,573 for 131 claims, against $14,188 paid for services in 2024. Genzyme Corporation was the largest of 5 companies reporting payments in 2025, $91,791 in all, mostly consulting fees.
Overview
| NPI | 1528234937 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 6, 2008 |
| Last updated in NPPES | Nov 4, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A112221 | CA |
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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 104 |
|---|---|
| Services billed | 145 across 14 procedure codes |
| Paid by Medicare | $14,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 131 · 168 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $97,573 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$91,791 · 43 payments from 5 companies
- 2024$127,198 · 64 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $58,168 | 14 |
| Astrazeneca Pharmaceuticals LP | $25,888 | 20 |
| Astrazeneca Uk Limited | $5,481 | 7 |
| Verona Pharma, Inc. | $1,500 | 1 |
| Sanofi US Services Inc. | $755.00 | 1 |
What the 2025 payments were for
- Consulting Fee$46,673 · 18 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$39,849 · 3 payments
- Travel and Lodging$4,352 · 9 payments
- Food and Beverage$918.21 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 463 internal medicine physicians in Oakland · All internal medicine physicians in California