Doctor profile · Federal record
Dr. Julianne Tomac, DNP, FNP-C
Family Nurse Practitioner (CMS: Nurse Practitioner) · O Fallon, IL
- NPI 1245018944
- Accepts Medicare
- 3 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
321 Regency Park Ste 100
O Fallon, IL 622691887
(618) 416-7970
fax (618) 416-7971 - Additional location
-
2227 Vadalabene Dr
Maryville, IL 620625823
(618) 288-1140 - Mailing address
-
Po Box 25228
Decatur, IL 625255228
Credentials & registration
- NPI registered
- September 2023 — 3 yrs on file
- Profile last updated
- September 13, 2024
- Year of graduation
- 2023 — 3 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Missouri #2023037611
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245018944. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
31
Distinct HCPCS
2
Medicare allowed
$4,340
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 18 | $107 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $186 |
In context: peer comparison
Among 12 peers in O Fallon Family Nurse Practitioner, average services per provider: 51. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$1,326
Transactions
57
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 14 | $268.44 | |
| Novartis Pharmaceuticals Corporation | 8 | $141.79 | |
| Incyte Corporation | 6 | $105.07 | |
| Daiichi Sankyo INC. | 4 | $94.67 | |
| Regeneron Healthcare Solutions, INC. | 3 | $71.02 | |
| Celgene Corporation | 4 | $64.71 | |
| Sobi, INC | 3 | $64.19 | |
| Jazz Pharmaceuticals INC. | 2 | $63.01 | |
| Abbvie INC. | 2 | $48.06 | |
| Merck Sharp & Dohme LLC | 3 | $47.39 | |
| Pfizer INC. | 2 | $43.93 | |
| Tempus Ai, INC | 2 | $40.54 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $33.82 | |
| Genentech USA, INC. | 1 | $31.67 | |
| Genmab U.S., INC. | 1 | $27.51 |
By nature of payment
Frequently asked questions
What is Dr. Julianne Tomac's medical specialty?
Dr. Julianne Tomac practices Family Nurse Practitioner in O Fallon, IL.
Where does Dr. Julianne Tomac practice?
Dr. Julianne Tomac practices at 321 Regency Park Ste 100, O Fallon, IL 622691887. Office phone: 6184167970.
What is Dr. Julianne Tomac's NPI?
Dr. Julianne Tomac's National Provider Identifier (NPI) is 1245018944, issued by NPPES.
Does Dr. Julianne Tomac accept Medicare assignment?
Yes. Dr. Julianne Tomac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julianne Tomac commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.