Daniel N. Castresana, M.D.
NPI 1770873465ActiveIndividual· Internal Medicine, Gastroenterology· Augusta, GA
Internal Medicine, Gastroenterology (M.D.) in Augusta, Georgia, trained at Medical College of Georgia School of Medicine (class of 2011). In 2024 Medicare paid $63,677 for 272 patients, and Part D covered 164 of their prescriptions, 77% of them generic. Janssen Biotech, Inc. reported $46.33 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1770873465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2011 |
| Last updated in NPPES | Aug 16, 2024 |
| Certified by provider | Aug 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 85883 | GA |
| Internal Medicine, Gastroenterology | 207RG0100X | MD2015-0914 | NM |
| Internal Medicine, Gastroenterology | 207RG0100X | MD194315 | OR |
| Internal Medicine, Gastroenterology | 207RG0100X | DR.0070810 | CO |
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 - Gastroenterology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 272 |
|---|---|
| Services billed | 487 across 51 procedure codes |
| Paid by Medicare | $63,677 |
Part D prescriptions in 2024
| Prescriptions (claims) | 164 · 186 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $56,971 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Piedmont Augusta HospitalAugusta, GA
- Wellstar McG Health, Affiliated With Med ColAugusta, GA
Industry payments (Open Payments)
- 2025$46.33 · 1 payment from 1 company
- 2024$122.97 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $46.33 | 1 |
What the 2025 payments were for
- Food and Beverage$46.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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