S Bert Litwin, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Milwaukee, WI
S Bert Litwin, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Milwaukee, Wisconsin, and NPI 1497764831, issued on Aug 5, 2006. Check the license (Wisconsin 18205, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- S Bert Litwin
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 18205 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9000 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 266-2070
- Enumerated
- Aug 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (414) 266-7638
- Medicaid ID
- 30898500 WI
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 115 in Wisconsin → Look up another NPI →
Also registered at 9000 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify S Bert Litwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 18205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
37 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
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.
S Bert Litwin among 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin
S Bert Litwin, M.D. 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 fileNo · 64% of these records are
- Record last updated2007 · 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.
All 115 in Wisconsin → Every provider in Milwaukee → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Hossein Almassi, MDMilwaukee, WI 532261255382768
- Lucian Durham, M.D., PHDMilwaukee, WI 532261427036540
- Mario Gasparri, MDMilwaukee, WI 532261114971439
- George Haasler, MDMilwaukee, WI 532261275584096
- David Johnstone, M.D.Milwaukee, WI 532261366470627
- Lyle Joyce, MDMilwaukee, WI 532261598739229
- Takushi Kohmoto, MD PHDMilwaukee, WI 532261013971688
- Nathaniel Laden, M.D., M.S.Milwaukee, WI 532261356316889
Common questions
What is S Bert Litwin, M.D.'s NPI number?
S Bert Litwin, M.D.'s National Provider Identifier (NPI) is 1497764831, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is S Bert Litwin, M.D. located?
The NPPES record lists a practice address at 9000 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 266-2070. Providers update this record themselves, so call before visiting.
How can I verify S Bert Litwin, M.D.'s license?
NPPES lists Wisconsin license number 18205, 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 S Bert Litwin, M.D. prescribe under Medicare Part D?
In 2024, S Bert Litwin, M.D. had 37 Medicare Part D claims; 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.