Eliot Nissenbaum, DO
Cardiovascular Disease Physician · Warsaw, IL
Eliot 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.
- Name
- Eliot 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
- Entity
- Type 1 · individual
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.
- Teresa Metzger, N.P.Nurse Practitioner1255430104
- Richard O'Halloran, M.D.Urology Physician1528143971
- Annette Oetken, D.O.Family Medicine Physician1952461782
- Katherine Phillips, APRN-FNP-BCFamily Nurse Practitioner1013410158
- Dale Zimmerman, D.O.Family Medicine Physician1720169899
Verify Eliot Nissenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-135963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
10% 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 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Ezetimibe311 claims
- Potassium Chloride254 claims
- Furosemide238 claims
- Lisinopril220 claims
- Atorvastatin Calcium160 claims
- 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, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,209 providers of this specialty with any payment received $4,923.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cardiovascular Disease Physician providers in Illinois
There are 992 cardiovascular disease physician records in Illinois.
Other cardiovascular disease physician records in Illinois
- Nicolaos Abariotis, MDChicago, IL1417996257
- Tahir Abbasi, M.D.Hazel Crest, IL1255495701
- Ashraf Abourahma, M.D.Oak Lawn, IL1972561975
- Bruce Abramowitz, M.D.,F.A.C.C.Oak Lawn, IL1013918473
- Amjad Abualsuod, MDPeoria, IL1427346444
- Abdulrahman Abutaleb, M.D.Barrington, IL1891185609
- Karima AddetiaChicago, IL1740612993
- Keenan Adib, MDHinsdale, IL1790098804
- Alexander Adler, MDPeoria, IL1912929118
- Naveed Adoni, MDUrbana, IL1881644177
Common questions
What is Eliot Nissenbaum, DO's NPI number?
Eliot 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 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 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 Nissenbaum, DO prescribe under Medicare Part D?
In 2024, Eliot Nissenbaum, DO had 3,455 Medicare Part D claims for 480 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.