Doctor profile · Federal record

Dr. Alexander Roitstein, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Green Bay, WI

  • NPI 1255358685
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 Greenbrier RD Ste 320
Green Bay, WI 543116519
(920) 288-8320
fax (920) 288-8325
Mailing address
2845 Greenbrier RD Ste 320, Po Box 8900
Green Bay, WI 543088900

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 30, 2008
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Wisconsin #43565
Medicaid
WI #34105000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255358685. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
85
Distinct HCPCS
3
Medicare allowed
$43,982
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $127
33533 Coronary artery bypass using artery graft, 1 graft 25 25 $1,559
33508 Harvest of vein using an endoscope 23 23 $14

In context: peer comparison

Among 6 peers in Green Bay Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 22. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
96
Total drug cost
$415
Drug Type Claims Patients Total cost
Colchicine Generic 37 36 $177
Allopurinol Generic 34 32 $56
Amiodarone Hcl Generic 29 28 $181

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Roitstein's medical specialty?
Dr. Alexander Roitstein practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Green Bay, WI.
Where does Dr. Alexander Roitstein practice?
Dr. Alexander Roitstein practices at 2845 Greenbrier RD Ste 320, Green Bay, WI 543116519. Office phone: 9202888320.
What is Dr. Alexander Roitstein's NPI?
Dr. Alexander Roitstein's National Provider Identifier (NPI) is 1255358685, issued by NPPES.
Does Dr. Alexander Roitstein accept Medicare assignment?
Yes. Dr. Alexander Roitstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Roitstein commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Harvest of vein using an endoscope (HCPCS 33508). Source: CMS Medicare Physician & Other Practitioners file.