Sigfredo Villarin Ayala Jr.
NPI 1467909044ActiveIndividual· Surgery, Trauma Surgery· Northridge, CA
Surgery, Trauma Surgery with Compassionate Critical Care Group, Inc. and 1 other group, practicing in Northridge, California. Enrolled in Medicare as practitioner - general surgery. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $6,420 in all, mostly education. Lists Northridge Hospital Medical Center as a hospital affiliation.
Overview
| NPI | 1467909044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 1, 2016 |
| Last updated in NPPES | Nov 21, 2025 |
| Certified by provider | Nov 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Trauma Surgery Primary | 2086S0127X | 202835 | CA |
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 - General Surgery (CA) |
|---|
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Compassionate Critical Care Group, Inc.Northridge, CA · 14 clinicians
- Northridge Trauma Surgeons Inc A Medical CorporationNorthridge, CA · 13 clinicians
Hospital affiliation
- Northridge Hospital Medical CenterNorthridge, CA
Industry payments (Open Payments)
- 2025$6,420 · 12 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $6,391 | 11 |
| Stryker Corporation | $28.94 | 1 |
What the 2025 payments were for
- Education$5,500 · 3 payments
- Travel and Lodging$722.86 · 3 payments
- Food and Beverage$196.83 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Trauma Surgery providers in Northridge
- 1487521183
- 1922097054