Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Markos Mamalakis, MD

Individual provider Anesthesiology Physician · NPI 1780726661

John Markos Mamalakis, MD is an Anesthesiology in Madison, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1999, 27 years ago. Practices with Rockford Anesthesiologists Associated LLC, a 61-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
27
Trained at
University of Wisconsin School of Medicine
Licensed in
IL, WI
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

600 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-8100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 155 E. Bush Hill Rd., Elmhurst, IL 60126-5658 — (331) 221-3521
  • 725 American Ave, Waukesha, WI 53188-5031 — (262) 544-2011

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 036158414 (IL)
Anesthesiology Physician Taxonomy 207L00000X · Licence 45807 (WI)

Record details

NPI number1780726661
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 13, 2007
Last updated in NPPESJune 9, 2026
Certification dateJune 9, 2026
Mailing address7974 Uw Health Ct, Middleton, WI 53562-5531

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Rockford Anesthesiologists Associated Llc — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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