Ryan H. Holzhauer, M.D.
NPI 1508272139ActiveIndividual· Emergency Medicine· Janesville, WI
Emergency Medicine (M.D.) in Janesville, Wisconsin, trained at New York Medical College (class of 2013). 135 Medicare patients in 2024, $15,755 paid; nearly all of their 193 Part D prescriptions were generic (92%).
Overview
| NPI | 1508272139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 3, 2014 |
| Last updated in NPPES | Jun 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 65434-20 | WI |
| General Acute Care Hospital | 282N00000X | — | — |
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 - Emergency Medicine (TX); Practitioner - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 135 |
|---|---|
| Services billed | 174 across 11 procedure codes |
| Paid by Medicare | $15,755 |
Part D prescriptions in 2024
| Prescriptions (claims) | 193 · 197 30-day fills |
|---|---|
| Patients | 139 |
| Total drug cost | $6,271 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Services of Tx, PLLCSpring Branch, TX · 400 clinicians
Hospital affiliations
- Valley Baptist Medical Center- BrownsvilleBrownsville, TX
- Vhs Harlingen Hospital Company LLCHarlingen, TX
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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