Doctor profile · Federal record

Dr. Derek Pechacek, FNP-C

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

  • NPI 1114356607
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 E Highway 50
O Fallon, IL 622692704
(618) 624-3368
fax (618) 624-3387
Mailing address
2804 Lakeside Dr
Columbia, IL 622362681

Credentials & registration

NPPES · NUCC
NPI registered
November 2013 — 13 yrs on file
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209-010889

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114356607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,072
HCPCS Description Services Patients Avg allowed
99239 Hospital discharge day management, more than 30 minutes 11 11 $97

In context: peer comparison

Among 12 peers in O Fallon Family Nurse Practitioner, average services per provider: 51. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
15
Total drug cost
$53
Drug Type Claims Patients Total cost
Prednisone Generic 17 15 $53

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Pechacek's medical specialty?
Dr. Derek Pechacek practices Family Nurse Practitioner in O Fallon, IL.
Where does Dr. Derek Pechacek practice?
Dr. Derek Pechacek practices at 320 E Highway 50, O Fallon, IL 622692704. Office phone: 6186243368.
What is Dr. Derek Pechacek's NPI?
Dr. Derek Pechacek's National Provider Identifier (NPI) is 1114356607, issued by NPPES.
Does Dr. Derek Pechacek accept Medicare assignment?
Yes. Dr. Derek Pechacek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Pechacek commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.