Christopher Matthew Cassara, M.D.
Critical Care Medicine (Anesthesiology) Physician · Madison, WI
Christopher Matthew Cassara, M.D. is a critical care medicine (anesthesiology) physician with a practice address in Madison, Wisconsin, and NPI 1508093501, issued on Jun 17, 2009. Check the license (Wisconsin 56499-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Matthew Cassara
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Anesthesiology) Physician 207LC0200X
- License numbers
- 56499-20 WI
56499 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-8100
- Enumerated
- Jun 17, 2009
- Record last updated
- Jan 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 262-6247
- Medicare enrollment
- Enrolled (PECOS I20170605000633); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2009
- Entity
- Type 1 · individual
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael AabergSurgery Physician1346991064
- Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Christopher Matthew Cassara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 56499-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Critical Care Medicine (Anesthesiology) Physician providers in Wisconsin
There are 22 critical care medicine (anesthesiology) physician records in Wisconsin.
Other critical care medicine (anesthesiology) physician records in Wisconsin
- Robert Arrigo, M.D., M.S.Madison, WI1326425406
- Kathryn Borsodi, M.D.Fond Du Lac, WI1720188212
- Gozde Demiralp, M.D.Madison, WI1972795383
- Octavio Falcucci, MDMilwaukee, WI1760575302
- David Feller, MDEau Claire, WI1457935058
- Anna Frackman, M.D.Madison, WI1932631256
- Dustin Hang, M.D.Milwaukee, WI1144615139
- George Hoffman, MDMilwaukee, WI1902857741
- Christy Idichandy, MDMilwaukee, WI1275876898
- Matthew Jeranek, M.D.Milwaukee, WI1417299843
Common questions
What is Christopher Matthew Cassara, M.D.'s NPI number?
Christopher Matthew Cassara, M.D.'s National Provider Identifier (NPI) is 1508093501, issued on Jun 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Matthew Cassara, M.D. located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-8100. Providers update this record themselves, so call before visiting.
How can I verify Christopher Matthew Cassara, M.D.'s license?
NPPES lists Wisconsin license number 56499-20, 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.