John Markos Mamalakis, M.D.
Anesthesiology Physician · Madison, WI
John Markos Mamalakis, M.D. is an anesthesiology physician with a practice address in Madison, Wisconsin, and NPI 1780726661, issued on Feb 13, 2007. Check the license (Wisconsin 45807, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Markos Mamalakis
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 45807 WI
036158414 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-8100
- Enumerated
- Feb 13, 2007
- Record last updated
- Jun 9, 2026
- Medicaid ID
- 34433800 WI
- Medicare enrollment
- Enrolled (PECOS I20220107000603); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify John Markos Mamalakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45807Check 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 2 group practices
- Endeavor Health Medical GroupElmhurst, IL
- Rockford Anesthesiologists Associated LLCRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Markos Mamalakis among 1,313 anesthesiology physician records in Wisconsin
John Markos Mamalakis, M.D. is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 43% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2006 among the 872 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
280 anesthesiology physician records list a practice address in Madison
They are 280 of the 15,014 NPPES records with a practice address in Madison, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Madison → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Heather Abernethy, MDMadison, WI 537921104826288
- Srinivas Bollimpalli, MDMadison, WI 537921205806940
- James Fitzpatrick, MDMadison, WI 537921013983527
- Frederick Heiden, DOMadison, WI 537921982603957
- Jonathan Kay, M.D.Madison, WI 537921477537702
- Howard Lau, M.D.Madison, WI 537921053304915
- Dawn Ledbetter, MDMadison, WI 537921750381323
- Kathryn Ann McQueen, MDMadison, WI 537921972574168
Common questions
What is John Markos Mamalakis, M.D.'s NPI number?
John Markos Mamalakis, M.D.'s National Provider Identifier (NPI) is 1780726661, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Markos Mamalakis, 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 John Markos Mamalakis, M.D.'s license?
NPPES lists Wisconsin license number 45807, 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.