Christina M. Steinhauser, D.O.
NPI 1851634703ActiveIndividual· Internal Medicine, Gastroenterology· Murrieta, CA
Internal Medicine, Gastroenterology (D.O.) with United Medical Doctors, practicing in Murrieta, California. In 2024 Medicare paid $7,105 for 47 patients, and Part D covered 52 of their prescriptions, 83% of them generic. Madrigal Pharmaceuticals was the largest of 14 companies reporting payments in 2025, $751.33 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.
Overview
| NPI | 1851634703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2013 |
| Last updated in NPPES | Oct 19, 2026 |
| Certified by provider | Oct 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 20A22986 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 0102204103 | VA |
| Internal Medicine, Gastroenterology | 207RG0100X | 34.016291 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 58 across 12 procedure codes |
| Paid by Medicare | $7,105 |
Part D prescriptions in 2024
| Prescriptions (claims) | 52 · 79 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $10,170 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- United Medical DoctorsMurrieta, CA · 173 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Riverside Community HospitalRiverside, CA
Industry payments (Open Payments)
- 2025$751.33 · 30 payments from 14 companies
- 2024$181.85 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $176.67 | 6 |
| Regeneron Healthcare Solutions, Inc. | $152.47 | 2 |
| Pfizer Inc. | $136.34 | 7 |
| Ascensia Diabetes Care US Inc. | $52.88 | 2 |
| Phathom Pharmaceuticals, Inc. | $41.98 | 4 |
What the 2025 payments were for
- Food and Beverage$751.33 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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