NPPES file of Aug 9, 2026

Joshua Robert Trob, M.D.

Nephrology Physician · Libertyville, IL

Joshua Robert Trob, M.D. is a nephrology physician with a practice address in Libertyville, Illinois, and NPI 1548217144, issued on May 28, 2006. Check the license (Illinois 036100394, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1548217144
Name
Joshua Robert Trob
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
036100394 IL
Self-reported in NPPES; status is on the state search
Practice location
1272 American Way, Libertyville, IL 60048
Phone
(847) 549-7222
Enumerated
May 28, 2006
Record last updated
Nov 22, 2024
Fax
(847) 549-7260
Medicaid ID
036100394 IL
Medicare enrollment
Enrolled (PECOS I20040326000116); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1995
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.
Download card Updates feed

Also registered at 1272 American Way

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

  1. Mussie Beraki, M.D.Nephrology Physician1679898969
  2. Carmela Iovane-Mock, NURSE PRACTITIONERFamily Nurse Practitioner1467255182
  3. Maria Khan, M.D.Nephrology Physician1548476773
  4. Jawad Munir, M.DNephrology Physician1851433429
  5. Lisa Rodriguez, APRNGerontology Nurse Practitioner1588503312
  6. Anca Zegrean, M.D.Nephrology Physician1508009416

Verify Joshua Robert Trob in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036100394
    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 Illinois 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

70% fewer Medicare Part D claims than the average nephrology physician in 2024

433 Medicare Part D claims for 90 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Joshua Trob433
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate64 claims
  2. Furosemide34 claims
  3. Potassium Chloride29 claims
  4. Losartan Potassium27 claims
  5. Sevelamer Carbonate25 claims
  6. Potassium Citrate Er19 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.

Industry payments in 2024: $821.31

35 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joshua Trob$821.31
  2. Specialty average$3,091.37

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

  1. Associates IN Nephrology SCLake Bluff, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joshua Robert Trob among 572 nephrology physician records in Illinois

Joshua Robert Trob, M.D. is one of 572 nephrology physician records with a practice address in Illinois. 87% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1995 · median 2002 among the 433 with a school on file
  • Record last updated2024 · 39% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Illinois

There are 572 nephrology physician records in Illinois.

The 8 nephrology physician records with the nearest ZIP codes

  1. Mussie Beraki, M.D.Libertyville, IL 600481679898969
  2. Omar Dalloul, M.D.Libertyville, IL 600481336197367
  3. George Hvostik, MDLibertyville, IL 600481023015021
  4. Maria Khan, M.D.Libertyville, IL 600481548476773
  5. Jawad Munir, M.DLibertyville, IL 600481851433429
  6. Anca Zegrean, M.D.Libertyville, IL 600481508009416
  7. Mohammad Saleh, MDMcHenry, IL 600501164582532
  8. Veronica Zamora-Olivencia, MDLake Forest, IL 600451689105181

Common questions

What is Joshua Robert Trob, M.D.'s NPI number?

Joshua Robert Trob, M.D.'s National Provider Identifier (NPI) is 1548217144, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Robert Trob, M.D. located?

The NPPES record lists a practice address at 1272 American Way, Libertyville, IL, 60048. Phone: (847) 549-7222. Providers update this record themselves, so call before visiting.

How can I verify Joshua Robert Trob, M.D.'s license?

NPPES lists Illinois license number 036100394, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joshua Robert Trob, M.D. prescribe under Medicare Part D?

In 2024, Joshua Robert Trob, M.D. had 433 Medicare Part D claims for 90 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.