Dr. Jonathan Kay, MD
- Medicare services, 2024
- 112
- Medicare patients, 2024
- 132
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Industry payments
- $21,020
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Kay's professional email, personal email and mobile number
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Dr. Jonathan Kay is an anesthesiologist in Madison, Wisconsin
Dr. Kay practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Kay's NPI, 1477537702, was assigned on November 30, 2005. Dr. Kay graduated from Jefferson Medical College of Thomas Jefferson University in 1975. Dr. Kay holds Wisconsin license 20410-020.
- NPI
- 1477537702NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325035132
- NPI enumeration date
- November 30, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Kay practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Kay's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Jonathan Kay is affiliated with 2 sites of care and 1 medical group
Dr. Kay's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Kay is also affiliated with University Hospital. The medical group on file is UW Health. Dr. Kay's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan Kay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kay practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Kay is one of 1,001 anesthesiologists in Wisconsin
Anesthesiology is Dr. Kay's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Kay is licensed in Wisconsin.
Specialties and state licenses
- Anesthesiology, WisconsinPrimary
Anesthesiologists near Dr. Kay
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jonathan Kay billed Medicare for 112 services in 2024
CMS data shows 112 Medicare services from Dr. Kay across 4 procedure codes in 2024, for 132 Medicare patients. Medicare paid $8,209 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 552024: 8351%
- Anesthesia
- 2023: 212024: 1529%
- Tests and treatments
- 2023: 132024: 148%
Dr. Kay compared with the Wisconsin median for anesthesiologists, 2024
- Dr. Kay
- Wisconsin median
- Medicare services
- 112vs 482.3 times
- Medicare patients
- 132vs 11911% above
Medians across 995 anesthesiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Kay's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Kay treated 132 Medicare patients in 2024, average age 73
CMS counts 132 Medicare patients who saw Dr. Kay in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kay's median patient age at 66, with 36% women.
Dr. Kay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kay's Medicare patients by sex, 2024
- Women5844%
- Men7456%
Chronic conditions among Dr. Kay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease47%
- Arthritis46%
- Atrial fibrillation40%
- Heart failure40%
- Mood disorders36%
- Depression35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Kay scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Kay for performance year 2024, reported as part of a group. Dr. Kay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kay's MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jonathan Kay received $21,020 in industry payments from 2016 to 2024
CMS Open Payments shows 19 general payments to Dr. Kay from 5 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 61% of the total. Medtronic Vascular, Inc. paid the most, $13,616.
General payments to Dr. Kay by program year, 2016 to 2024
General payments to Dr. Kay by kind, 2016 to 2024
- Speaker and faculty fees$12,78161%
- Consulting fees$7,17534%
- Travel and lodging$5773%
- Food and beverage$4872%
Companies that paid Dr. Kay the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan Kay graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Kay graduated from Jefferson Medical College of Thomas Jefferson University in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Kay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan Kay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jonathan Kay's NPI number?
Dr. Jonathan Kay's NPI number is 1477537702. It was assigned on November 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Kay?
Dr. Jonathan Kay is an anesthesiologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jonathan Kay practice?
Dr. Kay practices at 600 Highland Ave, Madison, WI 53792. Dr. Kay's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
What is Dr. Jonathan Kay's office phone number?
The practice phone on file for Dr. Kay is (608) 265-1978.
What is Dr. Jonathan Kay's medical license number?
Dr. Kay holds Wisconsin license 20410-020.
Which hospitals is Dr. Jonathan Kay affiliated with?
Dr. Kay is affiliated with University Hospital.
What medical group is Dr. Jonathan Kay part of?
Dr. Kay is linked to UW Health.
Does Dr. Jonathan Kay accept Medicare?
Yes. CMS data shows Dr. Kay billed Medicare for 112 services in 2024, and Dr. Kay accepts Medicare assignment.
What is Dr. Jonathan Kay's MIPS score?
Dr. Kay's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jonathan Kay see?
CMS counts 132 Medicare patients who saw Dr. Kay in 2024, with an average age of 73.
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What services does Dr. Jonathan Kay bill to Medicare?
In 2024, Dr. Kay's most billed Medicare services were surgery: heart and blood vessels (36620), anesthesia (00537) and heart test or procedure (93503).
Where did Dr. Jonathan Kay go to medical school?
Dr. Kay graduated from Jefferson Medical College of Thomas Jefferson University in 1975.
Has Dr. Jonathan Kay received payments from drug or device companies?
CMS Open Payments shows $21,020 in general payments to Dr. Kay from 5 companies from 2016 to 2024. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Jonathan Kay been practicing?
Dr. Kay graduated from medical school in 1975, 51 years ago.
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