Stephen A. Bass, M.D.
NPI 1164560686ActiveIndividual· Anesthesiology· Phoenix, AZ
Anesthesiology (M.D.) in Phoenix, Arizona, licensed in AZ and OK, with an NPI issued in February 2007. Medicare paid $33,571 for services to 15 patients in 2024. Ethicon US, LLC reported $34.32 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1164560686 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 5, 2007 |
| Last updated in NPPES | Apr 3, 2023 |
| Certified by provider | Apr 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 41904 | AZ |
| Anesthesiology | 207L00000X | 24598 | OK |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 2,828 across 9 procedure codes |
| Paid by Medicare | $33,571 |
Industry payments (Open Payments)
- 2025$34.32 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $34.32 | 1 |
What the 2025 payments were for
- Food and Beverage$34.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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