Eliot Nissenbaum, DO
NPI 1326082454 · Cardiovascular Disease Physician · Warsaw, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eliot Nissenbaum, DO is a Cardiovascular Disease Physician provider in Warsaw, IL (NPI 1326082454).
Provider details
- NPI number
- 1326082454
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036-135963 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
420 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 123 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $84 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 35 | $7 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 32 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 311 | 132 |
| Potassium Chloride | 254 | 92 |
| Furosemide | 238 | 93 |
| Lisinopril | 220 | 91 |
| Atorvastatin Calcium | 160 | 65 |
| Metoprolol Succinate | 150 | 57 |
| Ranolazinebrand: Ranolazine Er | 133 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 927 Broadway StQuincy, IL 62301-2719Phone: (217) 224-6423Fax: (217) 221-1344
- 450 E Sigler AveMemphis, MO 63555-1726Phone: (217) 223-8400Fax: (217) 221-1344
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2023-11-27
- Certified
- 2020-10-11
Frequently asked questions
- What is Eliot Nissenbaum's NPI number?
- Eliot Nissenbaum's National Provider Identifier (NPI) is 1326082454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eliot Nissenbaum's specialty?
- Eliot Nissenbaum is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Eliot Nissenbaum located?
- Eliot Nissenbaum's practice location on file with NPPES is 1102 N County Road 700, Warsaw, IL 62379-3011.
- What is Eliot Nissenbaum's phone number?
- The practice phone number listed in the NPPES registry for Eliot Nissenbaum is (217) 256-4100.
- Does Eliot Nissenbaum accept Medicare?
- Eliot Nissenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eliot Nissenbaum's NPI active?
- Yes — Eliot Nissenbaum's NPI (1326082454) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.