John T. Dvorak, MD
NPI 1902807985ActiveIndividual· Colon & Rectal Surgery· Lexington, KY
Colon & Rectal Surgery (MD) in Lexington, Kentucky, trained at Geisel School of Medicine at Dartmouth (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,085,231 for 582 claims, against $106,442 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $1,648 in all, mostly food and beverage.
Overview
| NPI | 1902807985 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2005 |
| Last updated in NPPES | Sep 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 36525 | KY |
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 - Colorectal Surgery (Proctology) (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 242 |
|---|---|
| Services billed | 2,509 across 60 procedure codes |
| Paid by Medicare | $106,442 |
Part D prescriptions in 2024
| Prescriptions (claims) | 582 · 699 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $1,085,231 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Colorectal Surgery (Proctology) |
Medical group
- Colorectal Surgical and Gastroenterology Associates PSCLexington, KY · 10 clinicians
Hospital affiliations
- Baptist Health LexingtonLexington, KY
- Saint Joseph EastLexington, KY
- Saint Joseph HospitalLexington, KY
Industry payments (Open Payments)
- 2025$1,648 · 85 payments from 18 companies
- 2024$1,958 · 79 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $444.33 | 29 |
| Abbvie Inc. | $306.52 | 10 |
| Qol Medical, LLC | $137.43 | 6 |
| Lilly USA, LLC | $135.44 | 7 |
| Pfizer Inc. | $96.43 | 6 |
What the 2025 payments were for
- Food and Beverage$1,648 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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