NPPES file of Aug 9, 2026

Alexander Roitstein, MD

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

Alexander Roitstein, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Green Bay, Wisconsin, and NPI 1255358685, issued on Jul 15, 2006. Check the license (Wisconsin 43565, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255358685
Name
Alexander Roitstein
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
43565 WI
Self-reported in NPPES; status is on the state search
Practice location
2845 Greenbrier RD Ste 320, Green Bay, WI 54311
Phone
(920) 288-8320
Enumerated
Jul 15, 2006
Record last updated
Sep 30, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(920) 288-8325
Medicaid ID
34105000 WI
Medicare enrollment
Enrolled (PECOS I20040823000573); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Alexander Roitstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 43565
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

23% more Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

124 Medicare Part D claims for 49 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Alexander Roitstein124
  2. Specialty average101

Most prescribed

  1. Colchicine35 claims
  2. Allopurinol33 claims
  3. Amiodarone Hcl25 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Baycare Aurora LLCGreen Bay, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexander Roitstein among 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin

Alexander Roitstein, MD is one of 115 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Wisconsin. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 40% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1990 · median 1993 among the 74 with a school on file
  • Record last updated2008 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Wisconsin

There are 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Thomas Percival, MDGreen Bay, WI 543111982864435
  2. James Bailey, MDGreen Bay, WI 543011962936245
  3. Karl Damroth, M.D.Green Bay, WI 543011881125482
  4. Steven Gerndt, MDGreen Bay, WI 543011487667549
  5. Kevin Greer, MDGreen Bay, WI 543011609889757
  6. John Seccombe, MDGreen Bay, WI 543011922026780
  7. Paul Shen, MDGreen Bay, WI 543011831382423
  8. Fuad Zankoul, MDGreen Bay, WI 543011770100489

Common questions

What is Alexander Roitstein, MD's NPI number?

Alexander Roitstein, MD's National Provider Identifier (NPI) is 1255358685, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Roitstein, MD located?

The NPPES record lists a practice address at 2845 Greenbrier RD Ste 320, Green Bay, WI, 54311. Phone: (920) 288-8320. Providers update this record themselves, so call before visiting.

How can I verify Alexander Roitstein, MD's license?

NPPES lists Wisconsin license number 43565, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexander Roitstein, MD prescribe under Medicare Part D?

In 2024, Alexander Roitstein, MD had 124 Medicare Part D claims for 49 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.