NPPES file of Aug 9, 2026

Didier Mandelbrot, M.D.

Nephrology Physician · Madison, WI

Didier Mandelbrot, M.D. is a nephrology physician with a practice address in Madison, Wisconsin, and NPI 1295773596, issued on Jun 2, 2006. Check the license (Wisconsin 62389-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295773596
Name
Didier Mandelbrot
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
62389-20 WI
Self-reported in NPPES; status is on the state search
Practice location
600 Highland Ave, Madison, WI 53792
Phone
(608) 262-5420
Enumerated
Jun 2, 2006
Record last updated
Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140701001185); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 Highland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael AabergSurgery Physician1346991064
  2. Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
  3. Daniel Abbott, MDSurgical Oncology Physician1750412615
  4. Alaa Abd-ElsayedPain Medicine Physician1194967703
  5. Safiyya Abdulkadir, MDRheumatology Physician1093455826
  6. Edwin Abel, M.D.Urology Physician1083800510

Verify Didier Mandelbrot in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 62389-20
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.4 times the Medicare Part D claims of the average nephrology physician in 2024

3,571 Medicare Part D claims for 302 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Didier Mandelbrot3,571
  2. Specialty average1,465

Most prescribed

  1. Prednisone685 claims
  2. Carvedilol322 claims
  3. Sulfamethoxazole-Trimethoprim305 claims
  4. Losartan Potassium189 claims
  5. Nifedipine Er173 claims
  6. Pantoprazole Sodium171 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

  1. 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).

Didier Mandelbrot among 207 nephrology physician records in Wisconsin

Didier Mandelbrot, M.D. is one of 207 nephrology physician records with a practice address in Wisconsin. 86% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1989 · median 2004 among the 157 with a school on file
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Wisconsin

There are 207 nephrology physician records in Wisconsin.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sayee Sundar Alagusundaramoorthy, M.B.B.S.,Madison, WI 537921932514619
  2. James Alstott, M.D.Madison, WI 537921477896355
  3. Matthew BlumMadison, WI 537921558892372
  4. Adam Bregman, M.D., M.B.AMadison, WI 537921972947877
  5. Richard Fernandes Almeida, M.D.Madison, WI 537921841727021
  6. Neetika Garg, M.D.Madison, WI 537921851521736
  7. Daniel Guerra Rodas, M.D.Madison, WI 537921780948703
  8. Roy Jhagroo, M.D.Madison, WI 537921023216603

Common questions

What is Didier Mandelbrot, M.D.'s NPI number?

Didier Mandelbrot, M.D.'s National Provider Identifier (NPI) is 1295773596, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Didier Mandelbrot, M.D. 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 Didier Mandelbrot, M.D.'s license?

NPPES lists Wisconsin license number 62389-20, 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 Didier Mandelbrot, M.D. prescribe under Medicare Part D?

In 2024, Didier Mandelbrot, M.D. had 3,571 Medicare Part D claims for 302 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.