Doctor profile · Federal record

Dr. Lars Johnson, MD

Pulmonary Disease Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Chicago, IL

  • NPI 1619461928
  • 8 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
420 E Superior St Ste 9-900
Chicago, IL 606114494
(312) 503-7975

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
July 8, 2023
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Illinois #036165458

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619461928. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
55
Distinct HCPCS
1
Medicare allowed
$9,808
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 54 $178

In context: peer comparison

Among 66 peers in this city , average services per provider: 90. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$172
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Actelion Pharmaceuticals US, Inc. 1 $152.34
Electromed, Inc. 1 $19.21

By nature of payment

Food and Beverage
$172

Frequently asked questions

Auto-generated from federal data
What is Dr. Lars Johnson's medical specialty?
Dr. Lars Johnson practices Pulmonary Disease Physician in Chicago, IL.
Where does Dr. Lars Johnson practice?
Dr. Lars Johnson practices at 420 E Superior St Ste 9-900, Chicago, IL 606114494. Office phone: 3125037975.
What is Dr. Lars Johnson's NPI?
Dr. Lars Johnson's National Provider Identifier (NPI) is 1619461928, issued by NPPES.
What procedures does Dr. Lars Johnson commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.