Maria Markarian, DO
NPI 1861490641 · Interventional Cardiology Physician · Lansing, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Markarian, DO is a Interventional Cardiology Physician provider in Lansing, MI (NPI 1861490641).
Provider details
- NPI number
- 1861490641
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- License
- 5101008940 (MI)
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
3,911 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 | 910 | $127 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 451 | $206 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 420 | $51 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 419 | $53 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 311 | $64 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 296 | 89 |
| Atorvastatin Calcium | 228 | 80 |
| Losartan Potassium | 221 | 70 |
| Rivaroxabanbrand: Xarelto | 196 | 47 |
| Apixabanbrand: Eliquis | 159 | 59 |
| Amlodipine Besylate | 125 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,259 across 119 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
- 2005-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Maria Markarian's NPI number?
- Maria Markarian's National Provider Identifier (NPI) is 1861490641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Markarian's specialty?
- Maria Markarian is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Markarian located?
- Maria Markarian's practice location on file with NPPES is 405 W Greenlawn Ave, Lansing, MI 48910-2898.
- What is Maria Markarian's phone number?
- The practice phone number listed in the NPPES registry for Maria Markarian is (517) 483-7550.
- Does Maria Markarian accept Medicare?
- Maria Markarian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Markarian's NPI active?
- Yes — Maria Markarian's NPI (1861490641) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.