Tara Topper, FNP-C
NPI 1649660200 · Family Nurse Practitioner · O Fallon, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tara Topper, FNP-C is a Family Nurse Practitioner provider in O Fallon, IL (NPI 1649660200).
Provider details
- NPI number
- 1649660200
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 209012540 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
182 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 137 | $55 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 45 | $70 |
Typical Medicare-allowed amounts for these services range $55–$70 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 49 | 49 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 37 | 37 |
| Prednisone | 34 | 34 |
| Cephalexin | 18 | 18 |
| Methylprednisolone | 17 | 17 |
| Clindamycin Hcl | 16 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | 12 |
Practice location
Mailing address
Additional practice locations (4)
- 159 E Mcarthur DrBethalto, IL 62010-1918Phone: (618) 258-7504Fax: (618) 258-7542
- 1103 Belt Line RdCollinsville, IL 62234-4368Phone: (618) 344-2273Fax: (618) 344-3034
- 17 Ginger Creek MdwsGlen Carbon, IL 62034-3508Phone: (618) 656-9777Fax: (618) 656-1249
- 108 W US Highway 40Troy, IL 62294-1836Phone: (618) 667-1800Fax: (618) 667-1802
Registry dates
- Enumerated
- 2015-02-03
- Last updated
- 2022-01-03
- Certified
- 2022-01-03
Frequently asked questions
- What is Tara Topper's NPI number?
- Tara Topper's National Provider Identifier (NPI) is 1649660200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tara Topper's specialty?
- Tara Topper is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tara Topper located?
- Tara Topper's practice location on file with NPPES is 1512 N Green Mount Rd, O Fallon, IL 62269-1953.
- What is Tara Topper's phone number?
- The practice phone number listed in the NPPES registry for Tara Topper is (619) 624-3368.
- Does Tara Topper accept Medicare?
- Tara Topper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tara Topper's NPI active?
- Yes — Tara Topper's NPI (1649660200) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.