Doctor profile · Federal record

Dr. Jeffrey Olejnik, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Jacksonville, IL

  • NPI 1598727620
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
610 N Westgate Ave
Jacksonville, IL 62650
(217) 243-8455
fax (217) 243-7951

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
May 18, 2018
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036090909
Medicaid
IL #036090909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598727620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
3
Medicare allowed
$5,809
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 48 48 $38
99212 Established patient office or other outpatient visit, 10-19 minutes 39 24 $55
99213 Established patient office or other outpatient visit, 20-29 minutes 21 16 $88

In context: peer comparison

Among 1 peers in Jacksonville Obstetrics & Gynecology Physician, average services per provider: 36. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
17
Total drug cost
$4,644
Drug Type Claims Patients Total cost
Estradiol Generic 34 17 $2,176
Alendronate Sodium Generic 21 0 $147
Triamcinolone Acetonide Generic 15 0 $113
Metronidazole Generic 13 0 $894
Risedronate Sodium Generic 13 0 $693
Clobetasol Propionate Generic 11 0 $621

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Olejnik's medical specialty?
Dr. Jeffrey Olejnik practices Obstetrics & Gynecology Physician in Jacksonville, IL.
Where does Dr. Jeffrey Olejnik practice?
Dr. Jeffrey Olejnik practices at 610 N Westgate Ave, Jacksonville, IL 62650. Office phone: 2172438455.
What is Dr. Jeffrey Olejnik's NPI?
Dr. Jeffrey Olejnik's National Provider Identifier (NPI) is 1598727620, issued by NPPES.
Does Dr. Jeffrey Olejnik accept Medicare assignment?
Yes. Dr. Jeffrey Olejnik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Olejnik commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.