Mark Balek, M.D.
NPI 1952557316 · Cardiovascular Disease Physician · Oak Park, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Balek, M.D. is a Cardiovascular Disease Physician provider in Oak Park, IL (NPI 1952557316).
Provider details
- NPI number
- 1952557316
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036138469 (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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,416 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 | 581 | $200 |
| Rubidium Rb-82, Diagnostic, Per Study Dose, Up to 60 MillicuriesA9555 | 566 | $531 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 558 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 419 | $134 |
| Ct Scan of Blood Vessels and Grafts of Heart With Contrast75574 | 358 | $296 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 202 | 70 |
| Atorvastatin Calcium | 197 | 65 |
| Amlodipine Besylate | 125 | 48 |
| Lisinopril | 100 | 38 |
| Metoprolol Succinate | 82 | 28 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 73 | 23 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 across 2 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 (1)
- 804 E Woodfield RdSuite 100Schaumburg, IL 60173-4776Phone: (847) 605-0030Fax: (847) 637-0737
Registry dates
- Enumerated
- 2008-08-16
- Last updated
- 2021-12-27
- Certified
- 2021-12-27
Frequently asked questions
- What is Mark Balek's NPI number?
- Mark Balek's National Provider Identifier (NPI) is 1952557316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Balek's specialty?
- Mark Balek is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Balek located?
- Mark Balek's practice location on file with NPPES is 7035 North Ave, Oak Park, IL 60302-1015.
- What is Mark Balek's phone number?
- The practice phone number listed in the NPPES registry for Mark Balek is (708) 680-3800.
- Does Mark Balek accept Medicare?
- Mark Balek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Balek's NPI active?
- Yes — Mark Balek's NPI (1952557316) is active in the NPPES registry as of the last update on 2021-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.