Marlo Leonen, MD
NPI 1003883539 · Cardiovascular Disease Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marlo Leonen, MD is a Cardiovascular Disease Physician provider in Ypsilanti, MI (NPI 1003883539).
Provider details
- NPI number
- 1003883539
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301059106 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
5,276 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 Report Only93010 | 2,262 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 600 | $67 |
| Heart Muscle Strain Imaging93356 | 386 | $11 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 187 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $97 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Spironolactone | 456 | 143 |
| Apixabanbrand: Eliquis | 428 | 114 |
| Atorvastatin Calcium | 367 | 112 |
| Empagliflozinbrand: Jardiance | 355 | 104 |
| Carvedilol | 341 | 117 |
| Losartan Potassium | 274 | 79 |
| Bisoprolol Fumarate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$618 across 11 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
- 2006-03-03
- Last updated
- 2015-03-26
Frequently asked questions
- What is Marlo Leonen's NPI number?
- Marlo Leonen's National Provider Identifier (NPI) is 1003883539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlo Leonen's specialty?
- Marlo Leonen is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marlo Leonen located?
- Marlo Leonen's practice location on file with NPPES is 5325 Elliott Dr, Ypsilanti, MI 48197-8633.
- What is Marlo Leonen's phone number?
- The practice phone number listed in the NPPES registry for Marlo Leonen is (734) 712-8000.
- Does Marlo Leonen accept Medicare?
- Marlo Leonen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marlo Leonen's NPI active?
- Yes — Marlo Leonen's NPI (1003883539) is active in the NPPES registry as of the last update on 2015-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.