John M. Snider, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Janesville, WI
John M. Snider, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Janesville, Wisconsin, and NPI 1235180167, issued on May 15, 2006. Check the license (Wisconsin 41618-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John M. Snider
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 41618-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6611
- Enumerated
- May 15, 2006
- Record last updated
- Jan 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (608) 756-6164
- Medicaid IDs
- 32608300 WI
1235180167 WI - Medicare enrollment
- Enrolled (PECOS I20100104000678); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1989
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 115 in Wisconsin → Look up another NPI →
Also registered at 1000 Mineral Point Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwan Abdulsattar, MDAnesthesiology Physician1265790695
- Kathleen Agard, MDAnesthesiology Physician1558503235
- Imdad Ahmed, MDCardiovascular Disease Physician1053536219
- Muhammad Alkhan, MDInternal Medicine Physician1114950813
- Rachel Allen, MDEmergency Medicine Physician1184823999
- Giuseppe Altamore, DOEmergency Medicine Physician1477828564
Verify John M. Snider in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 41618-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
38 Medicare Part D claims for 26 beneficiaries, 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.
Industry payments in 2024: $1,578.63
15 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. 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.
Bills Medicare through 2 group practices
- Mercy Health System CorporationJanesville, WI
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Snider among 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin
John M. Snider, 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
- Graduated1989 · median 1993 among the 74 with a school on file
- Record last updated2015 · 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 Janesville → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Alfred Nicolosi, MDJanesville, WI 535481760434443
- Kenneth Wolnak, DOJanesville, WI 535481982744678
- Malcolm Decamp, M.D.Mt Horeb, WI 535721356373872
- Peter Marks, M.D.Beloit, WI 535111558327320
- Paul Tessmann, M.D.Verona, WI 535931861601833
- Robert Gomez, MDMadison, WI 537041972730745
- Khosro Adib, MDMadison, WI 537151932163581
- Haywood Gilliam, MDMadison, WI 537151316902091
Common questions
What is John M. Snider, MD's NPI number?
John M. Snider, MD's National Provider Identifier (NPI) is 1235180167, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Snider, MD located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6611. Providers update this record themselves, so call before visiting.
How can I verify John M. Snider, MD's license?
NPPES lists Wisconsin license number 41618-020, 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 John M. Snider, MD prescribe under Medicare Part D?
In 2024, John M. Snider, MD had 38 Medicare Part D claims for 26 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.