Doctor profile · Federal record

Dr. Natalia Dejneka, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Chicago, IL

  • NPI 1225041452
  • Accepts Medicare
  • 37 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
8012 S Crandon Ave
Chicago, IL 606171124
(773) 356-5331
fax (773) 768-8154
Additional location
800 Riverside Dr
Waupaca, WI 549811943
(715) 258-1000
fax (715) 258-1042

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 16, 2025
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036083923 · Wisconsin #72092

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225041452. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19
Distinct HCPCS
1
Medicare allowed
$3,593
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 19 18 $189

In context: peer comparison

Among 334 peers in Chicago Emergency Medicine Physician, average services per provider: 87. This provider delivers 0.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalia Dejneka's medical specialty?
Dr. Natalia Dejneka practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Natalia Dejneka practice?
Dr. Natalia Dejneka practices at 8012 S Crandon Ave, Chicago, IL 606171124. Office phone: 7733565331.
What is Dr. Natalia Dejneka's NPI?
Dr. Natalia Dejneka's National Provider Identifier (NPI) is 1225041452, issued by NPPES.
Does Dr. Natalia Dejneka accept Medicare assignment?
Yes. Dr. Natalia Dejneka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalia Dejneka commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.