Xin Zheng, D.O.
NPI 1215460282ActiveIndividual· Internal Medicine, Gastroenterology· Loma Linda, CA
Internal Medicine, Gastroenterology (D.O.) with Faculty Physicians and Surgeons of Llusm, practicing in Loma Linda, California. Mostly services rather than prescriptions: Medicare paid $21,916 for 125 patients in 2024, with only 14 Part D claims. Madrigal Pharmaceuticals was the largest of 4 companies reporting payments in 2025, $336.64 in all, mostly food and beverage. Lists Loma Linda University Medical Center as a hospital affiliation.
Overview
| NPI | 1215460282 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2017 |
| Last updated in NPPES | May 19, 2025 |
| Certified by provider | May 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 20A17053 | CA |
| Internal Medicine | 207R00000X | 20A17053 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 213 across 25 procedure codes |
| Paid by Medicare | $21,916 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 18 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $6,667 |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
- 2025$336.64 · 4 payments from 4 companies
- 2024$144.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $144.47 | 1 |
| Abbvie Inc. | $125.00 | 1 |
| Boston Scientific Corporation | $44.79 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $22.38 | 1 |
What the 2025 payments were for
- Food and Beverage$336.64 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 gastroenterologists in Loma Linda · All gastroenterologists in California