Doctor profile · Federal record

Dr. Ernst Lengyel, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Chicago, IL

  • NPI 1447296306
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave
Chicago, IL 606371443
(888) 824-0200
Mailing address
150 Harvester Dr, Suite 300
Burr Ridge, IL 605275919

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 3, 2024
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Illinois #036110536

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447296306. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
105
Distinct HCPCS
3
Medicare allowed
$10,669
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 57 29 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 29 25 $69
99215 Established patient office or other outpatient visit, 40-54 minutes 19 14 $150

In context: peer comparison

Among 9 peers in this city , average services per provider: 44. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
0
Total drug cost
$292
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 15 0 $173
Dexamethasone Generic 13 0 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. Ernst Lengyel's medical specialty?
Dr. Ernst Lengyel practices Gynecologic Oncology Physician in Chicago, IL.
Where does Dr. Ernst Lengyel practice?
Dr. Ernst Lengyel practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Ernst Lengyel's NPI?
Dr. Ernst Lengyel's National Provider Identifier (NPI) is 1447296306, issued by NPPES.
Does Dr. Ernst Lengyel accept Medicare assignment?
Yes. Dr. Ernst Lengyel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ernst Lengyel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.