Julianne Tomac, DNP, FNP-C
NPI 1245018944ActiveIndividual· Nurse Practitioner, Family· O Fallon, IL
Nurse Practitioner, Family (DNP, FNP-C) with Cancer Care Specialists of Central Illinois SC, practicing in O Fallon, Illinois. Their prescriptions cost Medicare Part D more than their services did: $39,833 for 178 claims, against $15,172 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 35 companies reporting payments in 2025, $3,298 in all, mostly food and beverage. Lists Anderson Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1245018944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, FNP-C |
| Sole proprietor | No |
| NPI issued | Sep 15, 2023 |
| Last updated in NPPES | Sep 13, 2024 |
| Certified by provider | Sep 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 2023037611 | MO |
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 - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 183 across 6 procedure codes |
| Paid by Medicare | $15,172 |
Part D prescriptions in 2024
| Prescriptions (claims) | 178 · 251 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $39,833 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Cancer Care Specialists of Central Illinois SCO Fallon, IL · 31 clinicians
Hospital affiliations
- Anderson HospitalMaryville, IL
- Hshs St Elizabeth's HospitalO Fallon, IL
- Sparta Community HospitalSparta, IL
- St Joseph's HospitalHighland, IL
- St Josephs HospitalBreese, IL
Industry payments (Open Payments)
- 2025$3,298 · 123 payments from 35 companies
- 2024$1,326 · 67 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,033 | 21 |
| Janssen Biotech, Inc. | $297.41 | 13 |
| Merck Sharp & Dohme LLC | $172.79 | 9 |
| Abbvie Inc. | $137.08 | 7 |
| Incyte Corporation | $123.04 | 7 |
What the 2025 payments were for
- Food and Beverage$2,419 · 114 payments
- Long term medical supply or device loan$697.90 · 7 payments
- Education$180.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family nurse practitioners in O Fallon · All family nurse practitioners in Illinois