David W. Johnstone, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Milwaukee, WI
David W. Johnstone, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Milwaukee, Wisconsin, and NPI 1366470627, issued on Jun 28, 2006. Check the license (Wisconsin 55565, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David W. Johnstone
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 55565 WI
12427 NH
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 955-6900
- Enumerated
- Jun 28, 2006
- Record last updated
- Jan 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (414) 955-6204
- Medicaid IDs
- 1010811 VT
1366470627 WI
30204582 NH - Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 115 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify David W. Johnstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 55565Check 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: $13.98
1 payment: food and beverage; the largest payer was Atricure, Inc. 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.
David W. Johnstone among 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin
David W. Johnstone, 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 updated2013 · 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
- Lyle Joyce, MDMilwaukee, WI 532261598739229
- Takushi Kohmoto, MD PHDMilwaukee, WI 532261013971688
- Nathaniel Laden, M.D., M.S.Milwaukee, WI 532261356316889
- S Litwin, M.D.Milwaukee, WI 532261497764831
Common questions
What is David W. Johnstone, M.D.'s NPI number?
David W. Johnstone, M.D.'s National Provider Identifier (NPI) is 1366470627, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David W. Johnstone, M.D. 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 David W. Johnstone, M.D.'s license?
NPPES lists Wisconsin license number 55565, 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.