Mariah K. Rittwage, PA-C
NPI 1073996930ActiveIndividual· Physician Assistant, Medical· Hornell, NY
Physician Assistant, Medical (PA-C) with St James Hospital, practicing in Hornell, New York. 89 Medicare patients in 2024, $7,932 paid; all of their 427 Part D prescriptions were generic. Prodigy Surgical Distribution, Inc. was the largest of 2 companies reporting payments in 2025, $1,274 in all, mostly travel and lodging. Lists Jones Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1073996930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 9, 2015 |
| Last updated in NPPES | Jul 3, 2023 |
| Certified by provider | Jan 31, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 021892 | NY |
| Physician Assistant, Medical | 363AM0700X | 21892 | NY |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 210 across 21 procedure codes |
| Paid by Medicare | $7,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 427 · 436 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $4,325 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- St James HospitalHornell, NY · 124 clinicians
Hospital affiliations
- Jones Memorial HospitalWellsville, NY
- Nicholas H Noyes Memorial HospitalDansville, NY
- St James HospitalHornell, NY
- Strong Memorial HospitalRochester, NY
Industry payments (Open Payments)
- 2025$1,274 · 9 payments from 2 companies
- 2024$52.61 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Prodigy Surgical Distribution, Inc. | $662.21 | 2 |
| Arthrex, Inc. | $611.40 | 7 |
What the 2025 payments were for
- Travel and Lodging$972.81 · 3 payments
- Food and Beverage$300.80 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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