Humberto Sifuentes, M.D.
NPI 1053577320ActiveIndividual· Internal Medicine, Gastroenterology· Augusta, GA
Internal Medicine, Gastroenterology (M.D.) in Augusta, Georgia, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $1,664,363 for 477 claims, against $45,526 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $79.98 in all, mostly food and beverage.
Overview
| NPI | 1053577320 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2008 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 066071 | GA |
| Internal Medicine | 207R00000X | 036-121980 | IL |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 509 across 43 procedure codes |
| Paid by Medicare | $45,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 477 · 614 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $1,664,363 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliation
- Wellstar McG Health, Affiliated With Med ColAugusta, GA
Industry payments (Open Payments)
- 2025$79.98 · 4 payments from 4 companies
- 2024$39.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $25.27 | 1 |
| Abbvie Inc. | $21.76 | 1 |
| Gilead Sciences, Inc. | $18.49 | 1 |
| Janssen Biotech, Inc. | $14.46 | 1 |
What the 2025 payments were for
- Food and Beverage$79.98 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 gastroenterologists in Augusta · All gastroenterologists in Georgia