NPPES file of Aug 9, 2026

Eliot M. Nissenbaum, DO

Cardiovascular Disease Physician · Warsaw, IL

Eliot M. Nissenbaum, DO is a cardiovascular disease physician with a practice address in Warsaw, Illinois, and NPI 1326082454, issued on Jun 16, 2006. Check the license (Illinois 036-135963, 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
1326082454
Name
Eliot M. Nissenbaum
Credential
DO
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
036-135963 IL
2005000792 MO
Self-reported in NPPES; status is on the state search
Practice location
1102 N County Road 700, Warsaw, IL 62379
Phone
(217) 256-4100
Enumerated
Jun 16, 2006
Record last updated
Nov 27, 2023
Fax
(217) 256-3800
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1102 N County Road 700

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

  1. Teresa Metzger, N.P.Family Nurse Practitioner1255430104
  2. Richard O'Halloran, M.D.Urology Physician1528143971
  3. Annette Oetken, D.O.Family Medicine Physician1952461782
  4. Katherine Phillips, APRN-FNP-BCFamily Nurse Practitioner1013410158
  5. Dale Zimmerman, D.O.Family Medicine Physician1720169899

Verify Eliot M. Nissenbaum 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 036-135963
    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

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12% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,455 Medicare Part D claims for 480 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Eliot Nissenbaum3,455
  2. Specialty average3,078

Most prescribed

  1. Ezetimibe311 claims
  2. Potassium Chloride254 claims
  3. Furosemide238 claims
  4. Lisinopril220 claims
  5. Atorvastatin Calcium160 claims
  6. Metoprolol Succinate150 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: $142.20

7 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eliot Nissenbaum$142.20
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Eliot M. Nissenbaum among 1,073 cardiovascular disease physician records in Illinois

Eliot M. Nissenbaum, DO is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Illinois

There are 1,073 cardiovascular disease physician records in Illinois.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Asim Cheema, MDEffingham, IL 624011528343043
  2. Masoor Kamalesh, M.D.Effingham, IL 624011689638595
  3. Jessica Prange, M.D.Effingham, IL 624011306089024
  4. John Yang, MDEffingham, IL 624011093759417
  5. Yekaterina Fayn, MDOlney, IL 624501699934471
  6. Sara Baig, M.D.Quincy, IL 623011437248911
  7. Wissam Derian, MDQuincy, IL 623011063684066
  8. Farooq Junaid, DOQuincy, IL 623011720328842

Common questions

What is Eliot M. Nissenbaum, DO's NPI number?

Eliot M. Nissenbaum, DO's National Provider Identifier (NPI) is 1326082454, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eliot M. Nissenbaum, DO located?

The NPPES record lists a practice address at 1102 N County Road 700, Warsaw, IL, 62379. Phone: (217) 256-4100. Providers update this record themselves, so call before visiting.

How can I verify Eliot M. Nissenbaum, DO's license?

NPPES lists Illinois license number 036-135963, 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 Eliot M. Nissenbaum, DO prescribe under Medicare Part D?

In 2024, Eliot M. Nissenbaum, DO had 3,455 Medicare Part D claims for 480 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.