Doctor profile · Federal record

Dr. Jean Shlyak, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Northbrook, IL

  • NPI 1851457717
  • Accepts Medicare
  • 53 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3000 Dundee RD Ste 215
Northbrook, IL 600622432
(847) 390-8550
fax (847) 390-9095

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
April 6, 2011
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036064733
Medicaid
IL #036064733

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851457717. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,229
Distinct HCPCS
10
Medicare allowed
$173,499
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 389 208 $132
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 355 189 $24
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 295 204 $15
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 252 96 $27
99215 Established patient office or other outpatient visit, 40-54 minutes 246 179 $184
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 167 167 $134
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 125 14 $41
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 111 28 $108
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 72 15 $50
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 60 12 $1

In context: peer comparison

Among 8 peers in Northbrook Internal Medicine Physician, average services per provider: 94. This provider delivers 24× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,491
Patients
583
Total drug cost
$48,279
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 680 88 $6,268
Amlodipine Besylate Generic 461 93 $7,139
Omeprazole Generic 308 55 $3,671
Lorazepam Generic 231 44 $2,782
Allopurinol Generic 216 37 $3,294
Metformin Hcl Generic 205 40 $3,303
Losartan Potassium Generic 179 41 $2,476
Propranolol Hcl Generic 177 26 $2,775
Atorvastatin Calcium Generic 168 35 $1,754
Gabapentin Generic 153 26 $3,278

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jean Shlyak's medical specialty?
Dr. Jean Shlyak practices Internal Medicine Physician in Northbrook, IL.
Where does Dr. Jean Shlyak practice?
Dr. Jean Shlyak practices at 3000 Dundee RD Ste 215, Northbrook, IL 600622432. Office phone: 8473908550.
What is Dr. Jean Shlyak's NPI?
Dr. Jean Shlyak's National Provider Identifier (NPI) is 1851457717, issued by NPPES.
Does Dr. Jean Shlyak accept Medicare assignment?
Yes. Dr. Jean Shlyak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jean Shlyak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.