Ronald C. Colman, M.D.
NPI 1871579417ActiveIndividual· Internal Medicine, Gastroenterology· Houston, TX
Internal Medicine, Gastroenterology (M.D.) in Houston, Texas, trained at Meharry Medical College School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $70,263 for 541 claims, against $31,380 paid for services in 2024. Genzyme Corporation was the largest of 6 companies reporting payments in 2025, $541.25 in all, mostly food and beverage.
Overview
| NPI | 1871579417 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Aug 5, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | K7267 | TX |
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 - Gastroenterology (TX); Practitioner - Gastroenterology (VI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 330 across 27 procedure codes |
| Paid by Medicare | $31,380 |
Part D prescriptions in 2024
| Prescriptions (claims) | 541 · 814 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $70,263 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Phoenix Diagnostic Enterprises PLLCHouston, TX · 2 clinicians
Hospital affiliations
- HCA Houston Healthcare Medical CenterHouston, TX
- Houston Methodist HospitalHouston, TX
Industry payments (Open Payments)
- 2025$541.25 · 8 payments from 6 companies
- 2024$353.58 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $139.98 | 1 |
| Astrazeneca Pharmaceuticals LP | $125.22 | 2 |
| Kyowa Kirin, Inc. | $120.20 | 1 |
| Novo Nordisk Inc | $114.18 | 2 |
| Dynavax Technologies Corporation | $26.03 | 1 |
What the 2025 payments were for
- Food and Beverage$541.25 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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