Annie Chang, MD
NPI 1568032936ActiveIndividual· Psychiatry & Neurology, Child & Adolescent Psychiatry· Saint Louis, MO
Psychiatry & Neurology, Child & Adolescent Psychiatry (MD) in Saint Louis, Missouri, trained at Drexel University College of Medicine (class of 2021). Part D covered 341 prescriptions written in 2024, 98% of them generic. Botanix Sb Inc reported $51.44 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1568032936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2021 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Child & Adolescent Psychiatry Primary | 2084P0804X | 2025031649 | MO |
| Psychiatry & Neurology, Child & Adolescent Psychiatry | 2084P0804X | 2024028105 | MO |
| Student in an Organized Health Care Education/Training Program | 390200000X | 2024028105 | MO |
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 - Psychiatry (MO); Practitioner - Psychiatry (VA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 341 · 401 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $26,928 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Psychiatry |
Industry payments (Open Payments)
- 2025$51.44 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Botanix Sb Inc | $51.44 | 2 |
What the 2025 payments were for
- Food and Beverage$51.44 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 child and adolescent psychiatrists in Saint Louis · All child and adolescent psychiatrists in Missouri