Maria Czarina Onoya, M.D.
NPI 1801237946ActiveIndividual· Hospitalist· Huntsville, AL
Hospitalist (M.D.) with Alh Hospitalist and 1 other group, practicing in Huntsville, Alabama. Their prescriptions cost Medicare Part D more than their services did: $353,431 for 3,731 claims, against $57,786 paid for services in 2024. Revance Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $195.03 in all, mostly food and beverage. Lists Athens Limestone Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1801237946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 16, 2013 |
| Last updated in NPPES | Oct 14, 2026 |
| Certified by provider | Oct 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 35353 | AL |
| Internal Medicine | 207R00000X | 35353 | AL |
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 - Internal Medicine (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 706 across 23 procedure codes |
| Paid by Medicare | $57,786 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,731 · 8,560 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $353,431 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Alh HospitalistAthens, AL · 10 clinicians
- Valley Internal MedicineAthens, AL · 5 clinicians
Hospital affiliations
- Athens Limestone HospitalAthens, AL
- Huntsville HospitalHuntsville, AL
Industry payments (Open Payments)
- 2025$195.03 · 7 payments from 2 companies
- 2024$174.94 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Revance Therapeutics, Inc. | $174.45 | 6 |
| Pfizer Inc. | $20.58 | 1 |
What the 2025 payments were for
- Food and Beverage$195.03 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 97 hospitalists in Huntsville · All hospitalists in Alabama