Jonathan Kay, M.D.
Anesthesiology Physician · Madison, WI
Jonathan Kay, M.D. is an anesthesiology physician with a practice address in Madison, Wisconsin, and NPI 1477537702, issued on Nov 30, 2005. Check the license (Wisconsin 20410-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Kay
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 20410-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-8100
- Enumerated
- Nov 30, 2005
- Record last updated
- Jan 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 262-6247
- Medicaid ID
- 30462900 WI
- Medicare enrollment
- Enrolled (PECOS I20040426000993); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1975
- 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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- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Jonathan Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 20410-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $128.12
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Jonathan Kay among 1,313 anesthesiology physician records in Wisconsin
Jonathan Kay, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1975 · median 2006 among the 872 with a school on file
- Record last updated2021 · 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
- Howard Lau, M.D.Madison, WI 537921053304915
- Dawn Ledbetter, MDMadison, WI 537921750381323
- Kathryn Ann McQueen, MDMadison, WI 537921972574168
- James Oh, M.D.Madison, WI 537921548253354
Common questions
What is Jonathan Kay, M.D.'s NPI number?
Jonathan Kay, M.D.'s National Provider Identifier (NPI) is 1477537702, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Kay, 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 Jonathan Kay, M.D.'s license?
NPPES lists Wisconsin license number 20410-020, 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.