Joshua D. Mezrich
Transplant Surgery Physician · Madison, WI
Joshua D. Mezrich is a transplant surgery physician with a practice address in Madison, Wisconsin, and NPI 1558326710, issued on Apr 19, 2006. Check the license (Wisconsin 48236, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joshua D. Mezrich
- Primary taxonomy
- Transplant Surgery Physician 204F00000X
- License number
- 48236 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 262-5420
- Enumerated
- Apr 19, 2006
- Record last updated
- Jan 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 262-5624
- Medicare enrollment
- Enrolled (PECOS I20050729000959); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1997
- Entity
- Type 1 · individual
8 nearest transplant surgery physician records → All 42 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.
- Michael AabergSurgery Physician1346991064
- Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Joshua D. Mezrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 48236Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average transplant surgery physician in 2024
175 Medicare Part D claims for 28 beneficiaries, against an average of 260 among the 541 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Sulfamethoxazole-Trimethoprim32 claims
- Prednisone25 claims
- Acyclovir11 claims
- Ursodiol11 claims
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.
Bills Medicare through one group practice
- University OF Wisconsin Medical Foundation IncWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua D. Mezrich among 42 transplant surgery physician records in Wisconsin
Joshua D. Mezrich is one of 42 transplant surgery physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1997 · median 2007 among the 32 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204F00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Transplant Surgery Physician providers in Wisconsin
There are 42 transplant surgery physician records in Wisconsin.
All 42 in Wisconsin → Every provider in Madison → Transplant Surgery Physician nationwide →
The 8 transplant surgery physician records with the nearest ZIP codes
- David Aufhauser, MDMadison, WI 537921528350725
- Yolanda Becker, MDMadison, WI 537921134171911
- Kelly Collins, MDMadison, WI 537921306018023
- David Foley, MDMadison, WI 537921518998046
- Felix Geissler, MDMadison, WI 537921649235870
- Elliot Grodstein, M.D.Madison, WI 537921043537889
- Dixon Kaufman, MDMadison, WI 537921871527176
- Nikole Neidlinger, M.D.Madison, WI 537921184754467
Common questions
What is Joshua D. Mezrich's NPI number?
Joshua D. Mezrich's National Provider Identifier (NPI) is 1558326710, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joshua D. Mezrich located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 262-5420. Providers update this record themselves, so call before visiting.
How can I verify Joshua D. Mezrich's license?
NPPES lists Wisconsin license number 48236, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Joshua D. Mezrich prescribe under Medicare Part D?
In 2024, Joshua D. Mezrich had 175 Medicare Part D claims for 28 beneficiaries; the average among transplant surgery physician prescribers was 260. 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.