Edward F. Coles, M.D.
NPI 1912991621ActiveIndividual· Internal Medicine, Gastroenterology· San Marcos, TX
Internal Medicine, Gastroenterology (M.D.) in San Marcos, Texas, trained at Georgetown University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $396,522 for 1,242 claims, against $149,270 paid for services in 2024. Si-Bone, Inc. was the largest of 2 companies reporting payments in 2025, $297.27 in all, mostly food and beverage.
Overview
| NPI | 1912991621 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 8, 2005 |
| Last updated in NPPES | Jun 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | J1215 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 612 |
|---|---|
| Services billed | 3,171 across 28 procedure codes |
| Paid by Medicare | $149,270 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,242 · 2,858 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $396,522 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Texas Digestive Disease Consultants, PLLCFlower Mound, TX · 608 clinicians
Industry payments (Open Payments)
- 2025$297.27 · 2 payments from 2 companies
- 2024$1,164 · 39 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Si-Bone, Inc. | $161.32 | 1 |
| Amgen Inc. | $135.95 | 1 |
What the 2025 payments were for
- Food and Beverage$297.27 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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