Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Jonathan Kay, MD

Individual provider Anesthesiology Physician · NPI 1477537702

Dr. Jonathan Kay, MD practises Anesthesiology in Madison, Wisconsin. Graduated from Jefferson Medical College of Thomas Jefferson University in 1975, 51 years ago. Practices with University of Wisconsin Medical Foundation Inc, a 2,536-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
51
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
WI
In the registry since
2005
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 53792-4330
Phone: (608) 263-8100
Fax: (608) 262-6247
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330 — (414) 649-6000

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 20410-020 (WI)

Record details

NPI number1477537702
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 30, 2005
Last updated in NPPESJanuary 26, 2021
Certification dateJanuary 26, 2021

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesINTERVENTIONAL PAIN MANAGEMENT
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1975 (51 years in practice)
Group practice University Of Wisconsin Medical Foundation Inc — 2536 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients132
Services billed 233 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University of Wisconsin Medical Foundation Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2536 clinicians in the practice; 12 are shown here.

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