Zeferino Arroyo, D.O.
NPI 1285601096ActiveIndividual· Anesthesiology· Billings, MT
Anesthesiology (D.O.) with Anesthesia Partners of Montana PC, practicing in Billings, Montana. Medicare paid $21,443 for services to 126 patients in 2024. Merck Sharp & Dohme LLC reported $19.12 in payments in 2025, mostly food and beverage. Lists Intermountain Health St Vincent Regional Hospital as a hospital affiliation.
Overview
| NPI | 1285601096 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | Jul 8, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 10380 | MT |
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 - Anesthesiology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 153 across 38 procedure codes |
| Paid by Medicare | $21,443 |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Anesthesia Partners of Montana PCBillings, MT · 36 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$19.12 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $19.12 | 1 |
What the 2025 payments were for
- Food and Beverage$19.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Anesthesiology providers in Billings
- 1295709814
- 1366066250
- 1588751416
- 1457727661
- 1700637907
- 1598489023
- 1972692911
- 1588359855
- 1093782591
- 1730706573
- 1417310798
- 1346203460