Unni Marar, MD
NPI 1801956743 · Cardiovascular Disease Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Unni Marar, MD is a Cardiovascular Disease Physician provider in Columbus, OH (NPI 1801956743).
Provider details
- NPI number
- 1801956743
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.064694 (OH)
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
19 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
1,659 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 | 335 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 293 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 259 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 255 | $92 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 76 | $7 |
| 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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 258 | 77 |
| Carvedilol | 159 | 51 |
| Potassium Chloride | 153 | 41 |
| Losartan Potassium | 148 | 49 |
| Furosemide | 121 | 35 |
| Apixabanbrand: Eliquis | 119 | 32 |
| Spironolactone | 114 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$90 across 1 record (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
- 2006-12-11
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Unni Marar's NPI number?
- Unni Marar's National Provider Identifier (NPI) is 1801956743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Unni Marar's specialty?
- Unni Marar is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Unni Marar located?
- Unni Marar's practice location on file with NPPES is 543 Taylor Ave Fl 3, Columbus, OH 43203-1278.
- What is Unni Marar's phone number?
- The practice phone number listed in the NPPES registry for Unni Marar is (614) 293-7677.
- Does Unni Marar accept Medicare?
- Unni Marar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Unni Marar's NPI active?
- Yes — Unni Marar's NPI (1801956743) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.