Rangarajan Arunachalam, MD
NPI 1467562611 · Interventional Cardiology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rangarajan Arunachalam, MD is a Interventional Cardiology Physician provider in Indianapolis, IN (NPI 1467562611).
Provider details
- NPI number
- 1467562611
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01059641A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
1,066 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 | 213 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 169 | $109 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 148 | $64 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 48 | $70 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 522 | 152 |
| Atorvastatin Calcium | 481 | 140 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 410 | 112 |
| Amlodipine Besylate | 284 | 83 |
| Apixabanbrand: Eliquis | 251 | 57 |
| Lisinopril | 219 | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$334 across 15 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
- 2006-08-30
- Last updated
- 2021-06-11
- Certified
- 2021-06-11
Frequently asked questions
- What is Rangarajan Arunachalam's NPI number?
- Rangarajan Arunachalam's National Provider Identifier (NPI) is 1467562611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rangarajan Arunachalam's specialty?
- Rangarajan Arunachalam is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Rangarajan Arunachalam located?
- Rangarajan Arunachalam's practice location on file with NPPES is 1400 N Ritter Ave, Indianapolis, IN 46219-3052.
- What is Rangarajan Arunachalam's phone number?
- The practice phone number listed in the NPPES registry for Rangarajan Arunachalam is (317) 355-1234.
- Does Rangarajan Arunachalam accept Medicare?
- Rangarajan Arunachalam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rangarajan Arunachalam's NPI active?
- Yes — Rangarajan Arunachalam's NPI (1467562611) is active in the NPPES registry as of the last update on 2021-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.