Doctor profile · Federal record

Dr. Amanda Stilwell, FNP, RN

Nurse Practitioner · O Fallon, MO

  • NPI 1669196010
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2630 Highway K
O Fallon, MO 633686624
(636) 240-5454

Credentials & registration

NPPES · NUCC
NPI registered
September 2022 — 4 yrs on file
Profile last updated
December 14, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Missouri #2022040809

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669196010. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
531
Distinct HCPCS
7
Medicare allowed
$30,904
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 335 296 $74
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 44 39 $16
81002 Urinalysis, manual test 43 41 $3
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 43 41 $35
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 30 30 $46
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $93
96372 Injection of drug or substance under skin or into muscle 11 11 $12

In context: peer comparison

Among 10 peers in this city , average services per provider: 83. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
751
Patients
727
Total drug cost
$7,333
Drug Type Claims Patients Total cost
Prednisone Generic 189 174 $662
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 133 129 $1,505
Methylprednisolone Generic 66 65 $579
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 61 61 $1,332
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 59 58 $866
Cephalexin Generic 41 40 $427
Doxycycline Hyclate Generic 41 41 $554
Azithromycin Generic 33 33 $136
Amoxicillin Generic 23 23 $67
Cefuroxime (Cefuroxime Axetil) Brand 23 23 $352

Frequently asked questions

Auto-generated from federal data
What is Dr. Amanda Stilwell's medical specialty?
Dr. Amanda Stilwell practices Nurse Practitioner in O Fallon, MO.
Where does Dr. Amanda Stilwell practice?
Dr. Amanda Stilwell practices at 2630 Highway K, O Fallon, MO 633686624. Office phone: 6362405454.
What is Dr. Amanda Stilwell's NPI?
Dr. Amanda Stilwell's National Provider Identifier (NPI) is 1669196010, issued by NPPES.
Does Dr. Amanda Stilwell accept Medicare assignment?
Yes. Dr. Amanda Stilwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amanda Stilwell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (HCPCS 87880); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.