Gregory Jackson Aycock, CAA
NPI 1215924527ActiveIndividual· Anesthesiologist Assistant· Madison, WI
Anesthesiologist Assistant (CAA) with Iu Health Medical Group LLC and 1 other group, practicing in Madison, Wisconsin. Medicare paid $10,740 for services to 115 patients in 2024. Masimo Corporation was the largest of 4 companies reporting payments in 2025, $90.07 in all, mostly food and beverage. Lists Indiana University Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1215924527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CAA |
| Sole proprietor | No |
| NPI issued | Oct 3, 2005 |
| Last updated in NPPES | Jun 5, 2026 |
| Certified by provider | Jun 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiologist Assistant Primary | 367H00000X | 618 | WI |
| Pharmacist | 183500000X | PS40328 | FL |
| Anesthesiologist Assistant | 367H00000X | PENDING | MO |
| Pharmacist | 183500000X | 17641 | NC |
| Anesthesiologist Assistant | 367H00000X | 75000176A | IN |
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 Assistant (IN); Practitioner - Anesthesiology Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 115 across 43 procedure codes |
| Paid by Medicare | $10,740 |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Anesthesiology Assistant |
Medical groups
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
- 2025$90.07 · 4 payments from 4 companies
- 2024$19.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Masimo Corporation | $27.84 | 1 |
| Pajunk Medical Systems, LP | $25.39 | 1 |
| Becton, Dickinson and Company | $19.28 | 1 |
| Haemonetics Corporation | $17.56 | 1 |
What the 2025 payments were for
- Food and Beverage$90.07 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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