Tiffany Chang, DO
NPI 1184319196ActiveIndividual· Internal Medicine· Colton, CA
Internal Medicine (DO) in Colton, California, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2023). Part D covered 85 prescriptions written in 2024, 88% of them generic. Merck Sharp & Dohme LLC reported $33.45 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1184319196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 6, 2023 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 24810 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (KS) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 85 · 136 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $4,336 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2024$33.45 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $33.45 | 1 |
What the 2024 payments were for
- Food and Beverage$33.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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