Chang Woon Kang, M.D.
NPI 1689675852ActiveIndividual· Internal Medicine, Geriatric Medicine· Golden, CO
Internal Medicine, Geriatric Medicine (M.D.) in Golden, Colorado, licensed in CO, with an NPI issued in August 2005. Their prescriptions cost Medicare Part D more than their services did: $767,251 for 8,324 claims, against $50,177 paid for services in 2024. Pfizer Inc. reported $39.99 in payments in 2024, mostly education.
Overview
| NPI | 1689675852 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2005 |
| Last updated in NPPES | Jul 13, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 43586 | CO |
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 - Internal Medicine (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 703 across 12 procedure codes |
| Paid by Medicare | $50,177 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,324 · 8,339 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $767,251 |
| Generic share | 77% of claims |
Industry payments (Open Payments)
- 2024$39.99 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $39.99 | 1 |
What the 2024 payments were for
- Education$39.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Geriatric Medicine providers in Golden
- 1881682888
- 1417272584
- 1013004589
- 1114010436
- 1215939541
- 1174630701
- 1225033095
All Internal Medicine, Geriatric Medicine providers in Colorado →