Doctor profile · Federal record

Dr. John Koszuta, M.D.

Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Green Bay, WI

  • NPI 1952377855
  • 20 yrs on file
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
744 S Webster Ave
Green Bay, WI 543013505
(920) 433-3706
fax (920) 433-3582
Additional location
502 E Hickory Ave
Crestview, FL 325362742
(850) 423-1311
fax (850) 423-1313
Mailing address
502 E Hickory Ave
Crestview, FL 325362742

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
June 16, 2022
Specialty taxonomy
207RC0200X — NUCC code
State licenses (3)
Wisconsin #67526-20 · Florida #ME0063871 · Arizona #63079

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952377855. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
1
Medicare allowed
$13,789
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 66 62 $209

In context: peer comparison

Among 3 peers in this city , average services per provider: 34. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Koszuta's medical specialty?
Dr. John Koszuta practices Critical Care Medicine (Internal Medicine) Physician in Green Bay, WI.
Where does Dr. John Koszuta practice?
Dr. John Koszuta practices at 744 S Webster Ave, Green Bay, WI 543013505. Office phone: 9204333706.
What is Dr. John Koszuta's NPI?
Dr. John Koszuta's National Provider Identifier (NPI) is 1952377855, issued by NPPES.
What procedures does Dr. John Koszuta commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 30, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›