Ryndon Negrillo Bautista, M.D.
NPI 1225230170ActiveIndividual· Internal Medicine· Janesville, WI
Internal Medicine (M.D.) with Mercy Health System Corporation, practicing in Janesville, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,103,341 for 14,337 claims, against $89,509 paid for services in 2024. Lists Mercy Health System Corp and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225230170 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 4, 2007 |
| Last updated in NPPES | Aug 27, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 49833020 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | IL |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 417 |
|---|---|
| Services billed | 1,434 across 34 procedure codes |
| Paid by Medicare | $89,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,337 · 34,228 30-day fills |
|---|---|
| Patients | 938 |
| Total drug cost | $1,103,341 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Health System CorporationJanesville, WI · 753 clinicians
Hospital affiliations
- Mercy Health System CorpJanesville, WI
- Mercy Walworth Hospital & Medical CenterLake Geneva, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Other facilities
- Commonheart Home HealthHome health agency · Waukesha, WI
- Mercyhealth at HomeHome health agency · Janesville, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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