Doctor profile · Federal record

Dr. Darius Bartkus, M.D.

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

  • NPI 1093836629
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2113 W McLean Ave
Chicago, IL 606474524
(773) 384-1103
fax (773) 384-1103

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093836629. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
137
Distinct HCPCS
4
Medicare allowed
$19,356
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 66 62 $227
76937 Ultrasonic guidance for blood vessel access 27 23 $15
36620 Insertion of artery tube for blood sampling or infusion through skin 23 23 $47
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $137

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 0.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Darius Bartkus's medical specialty?
Dr. Darius Bartkus practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Darius Bartkus practice?
Dr. Darius Bartkus practices at 2113 W McLean Ave, Chicago, IL 606474524. Office phone: 7733841103.
What is Dr. Darius Bartkus's NPI?
Dr. Darius Bartkus's National Provider Identifier (NPI) is 1093836629, issued by NPPES.
Does Dr. Darius Bartkus accept Medicare assignment?
Yes. Dr. Darius Bartkus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darius Bartkus commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Ultrasonic guidance for blood vessel access (HCPCS 76937); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.