Merrick Donenberg, M.D.
NPI 1457647133 · Cardiovascular Disease Physician · Ottawa, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merrick Donenberg, M.D. is a Cardiovascular Disease Physician provider in Ottawa, IL (NPI 1457647133).
Provider details
- NPI number
- 1457647133
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036135131 (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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,869 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 2,248 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 506 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 275 | $121 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 261 | $14 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 253 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 847 | 249 |
| Carvedilol | 546 | 159 |
| Rosuvastatin Calcium | 450 | 133 |
| Metoprolol Succinate | 394 | 113 |
| Spironolactone | 379 | 115 |
| Losartan Potassium | 376 | 100 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2025-07-17
- Certified
- 2025-07-17
Frequently asked questions
- What is Merrick Donenberg's NPI number?
- Merrick Donenberg's National Provider Identifier (NPI) is 1457647133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrick Donenberg's specialty?
- Merrick Donenberg is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Merrick Donenberg located?
- Merrick Donenberg's practice location on file with NPPES is 1050 E Norris Dr Ste 2c, Ottawa, IL 61350-1611.
- What is Merrick Donenberg's phone number?
- The practice phone number listed in the NPPES registry for Merrick Donenberg is (815) 434-0276.
- Does Merrick Donenberg accept Medicare?
- Merrick Donenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merrick Donenberg's NPI active?
- Yes — Merrick Donenberg's NPI (1457647133) is active in the NPPES registry as of the last update on 2025-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.