Doctor profile · Federal record

Dr. Kathleen Bester, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Mokena, IL

  • NPI 1750561817
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
11200 Lincoln Hwy
Mokena, IL 604488208
(866) 389-2727
Additional location
511 N Hollywood Way
Burbank, CA 915053406
(877) 993-4321

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
March 12, 2026
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Illinois #277.001425 · California #15178

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750561817. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
192
Distinct HCPCS
7
Medicare allowed
$12,232
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 70 61 $78
99203 New patient office or other outpatient visit, 30-44 minutes 39 39 $101
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 30 30 $32
G0008 Administration of influenza virus vaccine 15 15 $32
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 14 14 $68
81002 Urinalysis, manual test 13 13 $3
87651 Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 11 11 $32

In context: peer comparison

Among 12 peers in this city , average services per provider: 78. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$318
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $117.11
SANOFI-AVENTIS U.S. LLC 1 $102.38
Novo Nordisk Inc 1 $98.08

By nature of payment

Food and Beverage
$318

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
26
Total drug cost
$201
Drug Type Claims Patients Total cost
Amoxicillin Generic 15 15 $65
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 11 11 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Bester's medical specialty?
Dr. Kathleen Bester practices Family Nurse Practitioner in Mokena, IL.
Where does Dr. Kathleen Bester practice?
Dr. Kathleen Bester practices at 11200 Lincoln Hwy, Mokena, IL 604488208. Office phone: 8663892727.
What is Dr. Kathleen Bester's NPI?
Dr. Kathleen Bester's National Provider Identifier (NPI) is 1750561817, issued by NPPES.
Does Dr. Kathleen Bester accept Medicare assignment?
Yes. Dr. Kathleen Bester accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Bester 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); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426). Source: CMS Medicare Physician & Other Practitioners file.