Christina Ling, M.D.
NPI 1093133183ActiveIndividual· Internal Medicine, Gastroenterology· Orange, CA
Internal Medicine, Gastroenterology (M.D.) in Orange, California, trained at George Washington University School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $879,500 for 500 claims, against $74,994 paid for services in 2024. Boston Scientific Corporation reported $114.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1093133183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2014 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A140400 | 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 | 290 |
|---|---|
| Services billed | 678 across 41 procedure codes |
| Paid by Medicare | $74,994 |
Part D prescriptions in 2024
| Prescriptions (claims) | 500 · 910 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $879,500 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$114.05 · 2 payments from 1 company
- 2024$71.02 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $114.05 | 2 |
What the 2025 payments were for
- Food and Beverage$114.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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