Marc Tenzer, M.D.
NPI 1518927185 · Cardiovascular Disease Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Tenzer, M.D. is a Cardiovascular Disease Physician provider in Chicago, IL (NPI 1518927185).
Provider details
- NPI number
- 1518927185
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036069030 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,147 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,016 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 993 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 962 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 232 | $73 |
| Evaluation of Implantable Heart and Blood Vessel Monitoring System, Remote Up to 30 Days93297 | 198 | $65 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 985 | 311 |
| Metoprolol Succinate | 857 | 282 |
| Amlodipine Besylate | 505 | 157 |
| Apixabanbrand: Eliquis | 458 | 130 |
| Losartan Potassium | 457 | 141 |
| Furosemide | 304 | 114 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$218 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
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2015-05-20
Frequently asked questions
- What is Marc Tenzer's NPI number?
- Marc Tenzer's National Provider Identifier (NPI) is 1518927185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Tenzer's specialty?
- Marc Tenzer is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Tenzer located?
- Marc Tenzer's practice location on file with NPPES is 7447 W Talcott Ave, Chicago, IL 60631-3745.
- What is Marc Tenzer's phone number?
- The practice phone number listed in the NPPES registry for Marc Tenzer is (773) 774-5020.
- Does Marc Tenzer accept Medicare?
- Marc Tenzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Tenzer's NPI active?
- Yes — Marc Tenzer's NPI (1518927185) is active in the NPPES registry as of the last update on 2015-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.