John Martin Ryan Kuhn, MD
Internal Medicine Physician · Weston, WI
John Martin Ryan Kuhn, MD is an internal medicine physician with a practice address in Weston, Wisconsin, and NPI 1134247935, issued on Mar 27, 2007. Check the license (Wisconsin 16309, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Martin Ryan Kuhn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16309 WI
Self-reported in NPPES; status is on the state search - Practice location
- 8406 Castleberry Cir, Weston, WI 54476
- Phone
- (715) 359-4033
- Enumerated
- Mar 27, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 31134900 WI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Verify John Martin Ryan Kuhn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 16309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
21 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Martin Ryan Kuhn among 2,078 internal medicine physician records in Wisconsin
John Martin Ryan Kuhn, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 internal medicine physician records list a practice address in Weston
They are 13 of the 368 NPPES records with a practice address in Weston, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Weston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mikhail Barchugov, M.D.Schofield, WI 544761952614521
- Bart Isaacson, MDWeston, WI 544761689786824
- Winfred Kiamah, MDWeston, WI 544761023335965
- Sachin Lamichhane, M.D.Weston, WI 544761851639306
- Nurudeen Lawal, M.DWeston, WI 544761265679419
- J F Herbert Macalalad, MDWeston, WI 544761043304926
- Ruth Mahmood, MDWeston, WI 544761659518199
- Navid Majid, MDWeston, WI 544761225327828
Common questions
What is John Martin Ryan Kuhn, MD's NPI number?
John Martin Ryan Kuhn, MD's National Provider Identifier (NPI) is 1134247935, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Martin Ryan Kuhn, MD located?
The NPPES record lists a practice address at 8406 Castleberry Cir, Weston, WI, 54476. Phone: (715) 359-4033. Providers update this record themselves, so call before visiting.
How can I verify John Martin Ryan Kuhn, MD's license?
NPPES lists Wisconsin license number 16309, 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.
How much does John Martin Ryan Kuhn, MD prescribe under Medicare Part D?
In 2024, John Martin Ryan Kuhn, MD had 21 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.