Nadal Aker, M.D.
NPI 1083671911 · Cardiovascular Disease Physician · Decatur, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadal Aker, M.D. is a Cardiovascular Disease Physician provider in Decatur, IL (NPI 1083671911).
Provider details
- NPI number
- 1083671911
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036111422 (IL)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,198 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,003 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 420 | $16 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 395 | $13 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 340 | $3 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 302 | $7 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 697 | 238 |
| Amlodipine Besylate | 542 | 174 |
| Metoprolol Succinate | 485 | 139 |
| Carvedilol | 426 | 127 |
| Metoprolol Tartrate | 414 | 173 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 408 | 123 |
| Furosemide | 340 |
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
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2014-08-20
Frequently asked questions
- What is Nadal Aker's NPI number?
- Nadal Aker's National Provider Identifier (NPI) is 1083671911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadal Aker's specialty?
- Nadal Aker is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nadal Aker located?
- Nadal Aker's practice location on file with NPPES is 2300 N Edward St, Decatur, IL 62526-4163.
- What is Nadal Aker's phone number?
- The practice phone number listed in the NPPES registry for Nadal Aker is (217) 876-2400.
- Does Nadal Aker accept Medicare?
- Nadal Aker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadal Aker's NPI active?
- Yes — Nadal Aker's NPI (1083671911) is active in the NPPES registry as of the last update on 2014-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.