Christopher John Warren, MD
NPI 1275109712ActiveIndividual· Urology· Charlotte, NC
Urology (MD) in Charlotte, North Carolina, trained at Rutgers New Jersey Medical School (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $25,930 for 389 claims, against $1,904 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $142.14 in all, mostly food and beverage.
Overview
| NPI | 1275109712 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 3, 2021 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 66538 | NC |
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 - Urology (AZ); Practitioner - Urology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 311 across 7 procedure codes |
| Paid by Medicare | $1,904 |
Part D prescriptions in 2024
| Prescriptions (claims) | 389 · 531 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $25,930 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliations
- Mayo Clinic HospitalPhoenix, AZ
- San Juan Regional Medical Center IncFarmington, NM
Industry payments (Open Payments)
- 2025$142.14 · 2 payments from 2 companies
- 2024$474.40 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $111.41 | 1 |
| Femselect Inc. | $30.73 | 1 |
What the 2025 payments were for
- Food and Beverage$142.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 urologists in Charlotte · All urologists in North Carolina