Gregory S. Milios, D.O.
NPI 1255695870ActiveIndividual· Anesthesiology· Flagstaff, AZ
Anesthesiology (D.O.) with Northern Arizona Healthcare Corporation, practicing in Flagstaff, Arizona. Medicare paid $24,636 for services to 163 patients in 2024. Lists Flagstaff Medical Center as a hospital affiliation.
Overview
| NPI | 1255695870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 28, 2012 |
| Last updated in NPPES | Sep 11, 2020 |
| Certified by provider | Sep 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 006921 | AZ |
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 - Anesthesiology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 222 across 54 procedure codes |
| Paid by Medicare | $24,636 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Northern Arizona Healthcare CorporationFlagstaff, AZ · 385 clinicians
Hospital affiliation
- Flagstaff Medical CenterFlagstaff, AZ
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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All 52 anesthesiologists in Flagstaff · All anesthesiologists in Arizona