Doctor profile · Federal record

Dr. Natalie Kostinsky, M.D.

Family Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Crystal Lake, IL

  • NPI 1205835881
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 53 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
360 Station Dr
Crystal Lake, IL 60014
(815) 338-6600
fax (815) 455-8044
Additional location
10350 Haligus RD
Huntley, IL 601429545
fax (847) 802-7112
Additional location
1925 Huntley RD
West Dundee, IL 601189301
fax (847) 426-5162
Show 3 more locations
Additional location
2507 N Richmond RD
McHenry, IL 600515407
fax (815) 385-3255
Additional location
486 Randall RD Unit B
South Elgin, IL 601773354
(224) 783-5000
Additional location
934 Center St
Elgin, IL 601202125
(847) 429-8750
fax (847) 429-8978

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
January 9, 2025
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036093665
Medicaid (2)
IL #036093665 · IL #0360936654

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205835881. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
580
Distinct HCPCS
10
Medicare allowed
$57,639
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 182 171 $100
99204 New patient office or other outpatient visit, 45-59 minutes 156 156 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 75 74 $85
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 44 43 $8
99203 New patient office or other outpatient visit, 30-44 minutes 27 27 $101
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 22 22 $50
71046 X-ray of chest, 2 views 19 17 $22
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $187
99215 Established patient office or other outpatient visit, 40-54 minutes 14 14 $147
87502 Detection test by nucleic acid for multiple types influenza virus 11 11 $94

In context: peer comparison

Among 7 peers in Crystal Lake Family Medicine Physician, average services per provider: 113. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$81
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $81.49

By nature of payment

Food and Beverage
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
500
Patients
483
Total drug cost
$3,817
Drug Type Claims Patients Total cost
Prednisone Generic 132 126 $239
Azithromycin Generic 128 121 $790
Ciprofloxacin Hcl Generic 46 45 $405
Amoxicillin Generic 36 35 $238
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 31 29 $398
Cephalexin Generic 26 26 $184
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 23 23 $735
Tobramycin Generic 23 23 $123
Doxycycline Hyclate Generic 16 16 $244
Clindamycin Hcl Generic 14 14 $238

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalie Kostinsky's medical specialty?
Dr. Natalie Kostinsky practices Family Medicine Physician in Crystal Lake, IL.
Where does Dr. Natalie Kostinsky practice?
Dr. Natalie Kostinsky practices at 360 Station Dr, Crystal Lake, IL 60014. Office phone: 8153386600.
What is Dr. Natalie Kostinsky's NPI?
Dr. Natalie Kostinsky's National Provider Identifier (NPI) is 1205835881, issued by NPPES.
Does Dr. Natalie Kostinsky accept Medicare assignment?
Yes. Dr. Natalie Kostinsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalie Kostinsky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.