Charlotte Lin Chang, MD
NPI 1578083515ActiveIndividual· Internal Medicine· Columbia, MO
Internal Medicine (MD) in Columbia, Missouri, trained at Washington University School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $572,709 for 8,876 claims, against $84,097 paid for services in 2024. Organon LLC reported $17.04 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1578083515 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2017 |
| Last updated in NPPES | Aug 17, 2021 |
| Certified by provider | Aug 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2020008238 | MO |
| Internal Medicine | 207R00000X | 2017016768 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 363 |
|---|---|
| Services billed | 966 across 27 procedure codes |
| Paid by Medicare | $84,097 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,876 · 18,808 30-day fills |
|---|---|
| Patients | 978 |
| Total drug cost | $572,709 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Boone Physician Services LLCColumbia, MO · 250 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- University of Missouri Health CareColumbia, MO
Other facilities
- Compassus Home HealthHome health agency · Columbia, MO
- Elara CaringHome health agency · Jefferson City, MO
Industry payments (Open Payments)
- 2025$17.04 · 1 payment from 1 company
- 2024$17.15 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $17.04 | 1 |
What the 2025 payments were for
- Food and Beverage$17.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Columbia
- 1245087295
- 1336106426
- 1902907967
- 1477084721
- 1366234767
- 1275484099
- 1306937974
- 1689623662
- 1235484718
- 1366946832
- 1992701700
- 1558919852