Justin Gregg, M.D.
NPI 1093072324ActiveIndividual· Urology· Houston, TX
Urology (M.D.) in Houston, Texas, trained at Vanderbilt University School of Medicine (class of 2012). 106 Medicare patients in 2024, $18,622 paid; nearly all of their 91 Part D prescriptions were generic (93%). Janssen Scientific Affairs, LLC was the largest of 9 companies reporting payments in 2025, $3,602 in all, mostly consulting fees.
Overview
| NPI | 1093072324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2012 |
| Last updated in NPPES | Oct 4, 2022 |
| Certified by provider | Oct 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | R2605 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 106 |
|---|---|
| Services billed | 202 across 17 procedure codes |
| Paid by Medicare | $18,622 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 148 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $1,502 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Hospital affiliation
- Harris HealthHouston, TX
Industry payments (Open Payments)
- 2025$3,602 · 11 payments from 9 companies
- 2024$936.43 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $2,300 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $700.00 | 1 |
| Koelis Inc. | $169.51 | 1 |
| Innovation Technologies Inc | $161.51 | 1 |
| Astellas Pharma Global Development | $156.75 | 1 |
What the 2025 payments were for
- Consulting Fee$3,000 · 2 payments
- Food and Beverage$602.26 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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