Michael Massaro, DO
NPI 1043897481ActiveIndividual· Internal Medicine· Twin Falls, ID
Internal Medicine (DO) in Twin Falls, Idaho, trained at Marian University College of Osteopathic Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $38,587 for 326 claims, against $18,459 paid for services in 2024.
Overview
| NPI | 1043897481 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 24, 2021 |
| Last updated in NPPES | Jul 1, 2026 |
| Certified by provider | Jul 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 7971137 | ID |
| Internal Medicine | 207R00000X | 02007224A | IN |
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 (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 267 across 6 procedure codes |
| Paid by Medicare | $18,459 |
Part D prescriptions in 2024
| Prescriptions (claims) | 326 · 548 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $38,587 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Marian University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Internal Medicine |
Medical groups
- St Lukes Clinic-Treasure Valley LLCMeridian, ID · 1,173 clinicians
- St Lukes Clinic LLCTwin Falls, ID · 316 clinicians
Hospital affiliations
- St Luke's Nampa Medical CenterNampa, ID
- St Luke's Regional Medical CenterBoise, ID
- St Lukes Magic Valley Medical CenterTwin Falls, ID
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Twin Falls
- 1124061262
- 1265472781
- 1336188267
- 1740221191
- 1891114666
- 1932620481
- 1174142244
- 1235332305
- 1245866185
- 1255575619
- 1346213303
- 1407035371
All 23 internal medicine physicians in Twin Falls · All internal medicine physicians in Idaho