Maria Cristina Abay, CRNA
NPI 1114013075ActiveIndividual· Nurse Anesthetist, Certified Registered· Huntley, IL
Nurse Anesthetist, Certified Registered (CRNA) with Northwestern Medical Faculty Foundation, practicing in Huntley, Illinois. Medicare paid $13,612 for services to 136 patients in 2024. Merck Sharp & Dohme LLC reported $59.05 in payments in 2024, mostly food and beverage. Lists Northwestern Medicine McHenry as a hospital affiliation.
Overview
| NPI | 1114013075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Feb 3, 2025 |
| Certified by provider | Feb 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 209009989 | IL |
| Nurse Anesthetist, Certified Registered | 367500000X | 4704190138 | MI |
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 - Certified Registered Nurse Anesthetist (CRNA) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 136 |
|---|---|
| Services billed | 141 across 35 procedure codes |
| Paid by Medicare | $13,612 |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Medicine McHenryMcHenry, IL
Industry payments (Open Payments)
- 2024$59.05 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $59.05 | 2 |
What the 2024 payments were for
- Food and Beverage$59.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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