Sam Chang, MD
NPI 1922107358ActiveIndividual· Urology· Nashville, TN
Urology (MD) in Nashville, Tennessee, trained at Vanderbilt University School of Medicine (class of 1992). In 2024 Medicare paid $99,601 for 386 patients, and Part D covered 234 of their prescriptions, 89% of them generic. Urogen Pharma, Inc. was the largest of 8 companies reporting payments in 2025, $130,408 in all, mostly consulting fees.
Overview
| NPI | 1922107358 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Aug 20, 2025 |
| Certified by provider | Aug 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | MD34010 | TN |
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 - Urology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 386 |
|---|---|
| Services billed | 788 across 53 procedure codes |
| Paid by Medicare | $99,601 |
Part D prescriptions in 2024
| Prescriptions (claims) | 234 · 515 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $41,477 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Vanderbilt University Medical CenterNashville, TN · 3,567 clinicians
Hospital affiliations
- Jackson-Madison County General HospitalJackson, TN
- Vanderbilt University Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$130,408 · 76 payments from 8 companies
- 2024$11,583 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Urogen Pharma, Inc. | $88,231 | 34 |
| Janssen Biotech, Inc. | $16,431 | 28 |
| Janssen Research & Development, LLC | $9,076 | 3 |
| Immunitybio, Inc. | $7,967 | 4 |
| Telix Pharmaceuticals | $4,538 | 1 |
What the 2025 payments were for
- Consulting Fee$110,751 · 13 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$9,788 · 6 payments
- Travel and Lodging$6,691 · 24 payments
- Food and Beverage$3,178 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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