Doctor profile · Federal record

Dr. Tara Topper, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · O Fallon, IL

  • NPI 1649660200
  • Accepts Medicare
  • MIPS 74.4 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1512 N Green Mount RD
O Fallon, IL 622691953
(619) 624-3368
Additional location
108 W US Highway 40
Troy, IL 622941836
(618) 667-1800
fax (618) 667-1802
Additional location
1103 Belt Line RD
Collinsville, IL 622344368
(618) 344-2273
fax (618) 344-3034
Show 2 more locations
Additional location
159 E McArthur Dr
Bethalto, IL 620101918
(618) 258-7504
fax (618) 258-7542
Additional location
17 Ginger Creek Mdws
Glen Carbon, IL 620343508
(618) 656-9777
fax (618) 656-1249
Mailing address
6810 State Route 162 Ste 215
Maryville, IL 620628566

Credentials & registration

NPPES · NUCC
NPI registered
February 2015 — 11 yrs on file
Profile last updated
January 3, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209012540

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649660200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
193
Distinct HCPCS
2
Medicare allowed
$11,713
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 130 120 $56
99203 New patient office or other outpatient visit, 30-44 minutes 63 63 $71

In context: peer comparison

Among 12 peers in this city , average services per provider: 51. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
126
Patients
126
Total drug cost
$1,081
Drug Type Claims Patients Total cost
Doxycycline Monohydrate Generic 31 31 $489
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 26 26 $207
Methylprednisolone Generic 25 25 $217
Prednisone Generic 25 25 $80
Cephalexin Generic 19 19 $88

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tara Topper's medical specialty?
Dr. Tara Topper practices Family Nurse Practitioner in O Fallon, IL.
Where does Dr. Tara Topper practice?
Dr. Tara Topper practices at 1512 N Green Mount RD, O Fallon, IL 622691953. Office phone: 6196243368.
What is Dr. Tara Topper's NPI?
Dr. Tara Topper's National Provider Identifier (NPI) is 1649660200, issued by NPPES.
Does Dr. Tara Topper accept Medicare assignment?
Yes. Dr. Tara Topper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tara Topper commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.