Hossein Almassi, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Milwaukee, WI
Hossein Almassi, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Milwaukee, Wisconsin, and NPI 1255382768, issued on May 12, 2006. Check the license (Wisconsin 25888, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Hossein Almassi
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 25888 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 955-6900
- Enumerated
- May 12, 2006
- Record last updated
- Aug 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (414) 955-6204
- Medicaid IDs
- 1255382768 WI
30745900 WI - Entity
- Type 1 · individual
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shameem Aadam, RPHPharmacist1760755680
- Abubaker Abdalla, MDHospitalist Physician1194187617
- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Hossein Almassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 25888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $575.57
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Wisconsin
There are 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin.
Other thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin
- Zenoun Abouzelam, MDAppleton, WI1699769695
- Khosro Adib, MDMadison, WI1932163581
- Ahmed Ali, M.D.Milwaukee, WI1558647677
- Andrea Axtell, MDMadison, WI1437562584
- James Bailey, MDGreen Bay, WI1962936245
- Thomas Barragry, M.D.Mequon, WI1659350643
- John Braxton, M.D.Weston, WI1073568655
- Jerold Brenowitz, MDMilwaukee, WI1639144595
- Thomas Cain, MDMarshfield, WI1922011071
- Elizabeth Calle, MD, PHDMadison, WI1619465341
Common questions
What is Hossein Almassi, MD's NPI number?
Hossein Almassi, MD's National Provider Identifier (NPI) is 1255382768, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hossein Almassi, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 955-6900. Providers update this record themselves, so call before visiting.
How can I verify Hossein Almassi, MD's license?
NPPES lists Wisconsin license number 25888, 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.
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.