Alex P. Pallas, DO
NPI 1235455262ActiveIndividual· Radiology, Diagnostic Radiology· McHenry, IL
Radiology, Diagnostic Radiology (DO) with Smi Imaging LLC and 4 other groups, practicing in McHenry, Illinois. Mostly services rather than prescriptions: Medicare paid $188,393 for 5,589 patients in 2024, with only 13 Part D claims. Inquis Medical, Inc. was the largest of 2 companies reporting payments in 2025, $55.82 in all, mostly food and beverage. Lists Desert View Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1235455262 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2010 |
| Last updated in NPPES | Oct 30, 2025 |
| Certified by provider | Oct 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 036151032 | IL |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | 20A14311 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | S7748 | TX |
| Radiology, Diagnostic Radiology | 2085R0202X | OS020173 | PA |
| Radiology, Diagnostic Radiology | 2085R0202X | OS16401 | FL |
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 - Interventional Radiology (CA); Practitioner - Diagnostic Radiology (FL); Practitioner - Diagnostic Radiology (IL); Practitioner - Diagnostic Radiology (KY); Practitioner - Diagnostic Radiology (MI); Practitioner - Diagnostic Radiology (NV); Practitioner - Diagnostic Radiology (PA); Practitioner - Interventional Radiology (UT); Practitioner - Radiation Oncology (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 5,589 |
|---|---|
| Services billed | 8,069 across 180 procedure codes |
| Paid by Medicare | $188,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 24 30-day fills |
|---|---|
| Total drug cost | $468.78 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Interventional Radiology |
| Secondary specialties | Diagnostic Radiology |
Medical groups
- Smi Imaging LLCBeverly Hills, CA · 384 clinicians
- Enloe Medical CenterChico, CA · 333 clinicians
- Simonmed Imaging Florida LLCTeaneck, NJ · 317 clinicians
- Health Diagnostics of California A Professional CorporationIrvine, CA · 183 clinicians
- Universal Radiology Partners of Nevada LLCPahrump, NV · 76 clinicians
Hospital affiliations
- Desert View HospitalPahrump, NV
- Enloe HealthChico, CA
- Northern Nevada Medical CenterSparks, NV
- Oroville HospitalOroville, CA
- Valley Hospital Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$55.82 · 2 payments from 2 companies
- 2024$190.11 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inquis Medical, Inc. | $39.48 | 1 |
| Collegium Pharmaceutical, Inc. | $16.34 | 1 |
What the 2025 payments were for
- Food and Beverage$55.82 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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