Doctor profile · Federal record

Dr. Kristen Olszewski, FNP

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

  • NPI 1922533397
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4789 Route 71
Oswego, IL 605437415
(630) 692-5730
fax (630) 692-5731
Additional location
13550 S Route 30, Suite 100
Plainfield, IL 605445685
(815) 436-1655
fax (815) 436-1656

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
July 20, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209015813

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922533397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
6
Medicare allowed
$13,664
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 128 125 $80
99202 New patient office or other outpatient visit, 15-29 minutes 32 32 $65
81003 Automated urinalysis test 30 29 $2
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 11 11 $16
90662 Influenza vaccine split virus, preservative free 11 11 $72
G0008 Administration of influenza virus vaccine 11 11 $30

In context: peer comparison

Among 4 peers in this city , average services per provider: 45. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$676
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 3 $366.95
Otsuka America Pharmaceutical, Inc. 1 $124.12
AstraZeneca Pharmaceuticals LP 1 $121.94
Lundbeck LLC 1 $23.75
SOBI, INC 1 $20.00
PFIZER INC. 1 $19.72

By nature of payment

Food and Beverage
$676

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
96
Patients
95
Total drug cost
$1,354
Drug Type Claims Patients Total cost
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 24 23 $422
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $194
Doxycycline Hyclate Generic 18 18 $259
Cephalexin Generic 17 17 $96
Ofloxacin Generic 17 17 $382

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Olszewski's medical specialty?
Dr. Kristen Olszewski practices Family Nurse Practitioner in Oswego, IL.
Where does Dr. Kristen Olszewski practice?
Dr. Kristen Olszewski practices at 4789 Route 71, Oswego, IL 605437415. Office phone: 6306925730.
What is Dr. Kristen Olszewski's NPI?
Dr. Kristen Olszewski's National Provider Identifier (NPI) is 1922533397, issued by NPPES.
Does Dr. Kristen Olszewski accept Medicare assignment?
Yes. Dr. Kristen Olszewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Olszewski 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 99202); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.