NPPES file of Aug 9, 2026

Jonathan Michael Nizar, MD

Nephrology Physician · Iowa City, IA

Jonathan Michael Nizar, MD is a nephrology physician with a practice address in Iowa City, Iowa, and NPI 1104083815, issued on May 20, 2008. Check the license (Iowa MD-45987, as entered in NPPES) on the Iowa Board of Medicine; 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
1104083815
Name
Jonathan Michael Nizar
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
MD-45987 IA
A111898 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 335-7517
Enumerated
May 20, 2008
Record last updated
Apr 21, 2025
Fax
(319) 356-2999
Medicare enrollment
Enrolled (PECOS I20190314000269); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2008
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 200 Hawkins Dr

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

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Jonathan Michael Nizar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-45987
    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 Iowa license search

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97% fewer Medicare Part D claims than the average nephrology physician in 2024

50 Medicare Part D claims for 17 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Jonathan Nizar50
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate11 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. State University OF IowaIowa City, IA

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

Jonathan Michael Nizar among 92 nephrology physician records in Iowa

Jonathan Michael Nizar, MD is one of 92 nephrology physician records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.

  • NPI issued2008 · 55% of these records are older, 37% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2008 · median 2001 among the 67 with a school on file
  • Record last updated2025 · 48% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Iowa

There are 92 nephrology physician records in Iowa.

The 8 nephrology physician records with the nearest ZIP codes

  1. Lisa Antes, MDIowa City, IA 522421174511026
  2. John Bertolatus, MDIowa City, IA 522421720075831
  3. Mony Fraer, MDIowa City, IA 522421497845960
  4. Joel Gordon, MDIowa City, IA 522421174511034
  5. Rebecca Hegeman, MDIowa City, IA 522421386626604
  6. Chou-Long Huang, MD PHDIowa City, IA 522421396704425
  7. Lawrence Hunsicker, MDIowa City, IA 522421881676195
  8. Diana Jalal, MDIowa City, IA 522421033142096

Common questions

What is Jonathan Michael Nizar, MD's NPI number?

Jonathan Michael Nizar, MD's National Provider Identifier (NPI) is 1104083815, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Michael Nizar, MD located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 335-7517. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Michael Nizar, MD's license?

NPPES lists Iowa license number MD-45987, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan Michael Nizar, MD prescribe under Medicare Part D?

In 2024, Jonathan Michael Nizar, MD had 50 Medicare Part D claims for 17 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.