David K. Spady, M.D.
NPI 1639155005ActiveIndividual· Internal Medicine, Gastroenterology· Southlake, TX
Internal Medicine, Gastroenterology (M.D.) in Southlake, Texas, trained at Loma Linda University School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $541,455 for 2,296 claims, against $213,472 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,748 in all, mostly food and beverage.
Overview
| NPI | 1639155005 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 19, 2005 |
| Last updated in NPPES | May 16, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | F8683 | 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 | 639 |
|---|---|
| Services billed | 7,169 across 40 procedure codes |
| Paid by Medicare | $213,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,296 · 3,929 30-day fills |
|---|---|
| Patients | 857 |
| Total drug cost | $541,455 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Gastroenterology |
Medical group
- Texas Digestive Disease Consultants, PLLCFlower Mound, TX · 608 clinicians
Industry payments (Open Payments)
- 2025$1,748 · 59 payments from 18 companies
- 2024$1,876 · 65 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $688.30 | 31 |
| Janssen Scientific Affairs, LLC | $296.08 | 3 |
| Madrigal Pharmaceuticals | $137.85 | 1 |
| Phathom Pharmaceuticals, Inc. | $117.35 | 1 |
| Enterra Medical, Inc. | $96.34 | 2 |
What the 2025 payments were for
- Food and Beverage$1,748 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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