Dr. Ratnakar Rajanahally
Dr. Ratnakar S. Rajanahally
Last updated: Dec 15, 2025

Dr. Ratnakar S. Rajanahally

  • Gender: Male
  • Experience: 40 years
  • Graduation year: 1981
  • Sole propriator: No
  • NPI: 1144204769

Dr. Ratnakar S. Rajanahally MD

Cardiologist

He is located at 701 Superior Avenue Suite 4100 in Munster, IN 46321. Can help patients with the following: Gastroesophageal Reflux Disease (GERD), Headache, Inguinal Hernia, Mitral Valve Prolapse (MVP), Prescription Refill, Ventricular Fibrillation. His National Provider Identifier (NPI) number is 1144204769. Appointment can be made via the phone number (219) 934-4080. He is affiliated with 2 practices and 4 hospitals.

Conditions treated

Dr. Ratnakar Rajanahally, being an cardiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Ratnakar S. Rajanahally.

  • Abdominal Aortic Aneurysm (AAA)
  • Abdominal Pain
  • Acute Pain
  • Amyloidosis
  • Anemia
  • Angina
  • Aortic Stenosis
  • Arrhythmia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Atrial Fibrillation
  • Atrial Flutter
  • Atrial Septal Defect (ASD)
  • Birth Defects
  • Bladder Control
  • Blood Clots
  • Bradycardia
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Venous Insufficiency
  • Common Cold
  • Congenital Heart Disease (CHD)
  • Congestive Heart Failure (CHF)
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Endocarditis
  • Fainting
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Attack
  • Heart Disease
  • Heart Murmur
  • Heart Valve Disease
  • Hiatal Hernia
  • High Blood Pressure
  • High Cholesterol
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • May-Thurner Syndrome
  • Migraine
  • Mitral Insufficiency
  • Mitral Valve Prolapse (MVP)
  • Mitral Valve Stenosis
  • Myocarditis
  • Nausea and Vomiting
  • Obesity
  • Orthostatic Hypotension
  • Osteoporosis
  • Pacemaker
  • Palpitations
  • Paroxysmal Supraventricular Tachycardia (PSVT)
  • Peptic Ulcer
  • Pericardial Tamponade
  • Pericarditis
  • Postural Orthostatic Tachycardia Syndrome (POTS)
  • Premature Ventricular Contraction (PVC)
  • Prescription Refill
  • Pulmonary Edema
  • Pulmonary Embolism (PE)
  • Pulmonary Hypertension (PH)
  • Renal Vascular Disease
  • Rheumatic Fever
  • Rheumatic Heart Disease
  • Stroke
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Ventricular Fibrillation
  • Ventricular Septal Defect (VSD)
  • Wolff-Parkinson-White Syndrome (WPW)

Procedures Performed by Dr. Ratnakar S. Rajanahally

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ratnakar S. Rajanahally as in-network for the following 2026 plans.

Health plans

CareSource

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 22 plans from CareSource
CareSource plans
Plan Plan type Network tier New patients
Bronze 7500 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Gold 2000 $15 Generic Drugs HMO · Gold Preferred Accepting new patients
Gold 2000 $15 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
HDHP Preventive Silver 5500 $0 Chronic Care Drugs HMO · Silver Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
HSA Eligible Bronze 6000 HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs HMO · Silver Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Platinum Zero $5 Generic Drugs HMO · Platinum Preferred Accepting new patients
Platinum Zero $5 Generic Drugs + Adult Vision & Fitness HMO · Platinum Preferred Accepting new patients
Silver 6000 $20 Generic Drugs HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Ratnakar S. Rajanahally is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Ratnakar S. Rajanahally is enrolled to bill Medicare as a Practitioner - Interventional Cardiology (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .

Bills through: Franciscan Physician Network

Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Janssen $1111
Abiomed $1018
Amgen $824

Other

Food and Beverage $7194
Travel and Lodging $759

Studies

Graduated in 1981

Additional Specialities

  • Internist

Affiliated practices

Cardiospecialists Group
20303 Crawford Avenue
Olympia Fields, 60461 IL
(708) 748-9800
Franciscan Physician Network
1704 South Creasy Lane
Lafayette, 47905 IN
(765) 502-4015

Affiliated hospitals

FRANCISCAN HEALTH DYER
24 JOLIET ST
DYER, 46311 IN
(219) 865-2141
COMMUNITY HOSPITAL
901 MACARTHUR BLVD
MUNSTER, 46321 IN
(219) 836-1600
FRANCISCAN HEALTHCARE - MUNSTER
701 SUPERIOR AVE
MUNSTER, 46321 IN
(219) 922-4200
FRANCISCAN ST. MARGARET HEALTH HAMMOND
5454 HOHMAN AVE
HAMMOND, 46320 IN
(219) 932-2300

Looking for more Cardiologists?

Here are cardiologists in Indiana you may want to explore.

Dr. Philip Charles Krause
  • Gender: Male
  • Address: 1116 North 16th St., Suite A Lafayette, 47904, IN
Dr. W. Philip R. Casino
  • Gender: Male
  • Address: Suite 300 901 Saint Marys Drive Evansville, 47714, IN
Dr. William J. Berg
  • Gender: Male
  • Address: 8040 Broadway Street Indianapolis, 46240, IN
Dr. Eric F. Schulte
  • Gender: Male
  • Address: Suite 140 7863 Broadway Merrillville, 46410, IN
Dr. Steven R. Turner
  • Gender: Male
  • Address: 1701 North Senate Boulevard Suite A1089 Indianapolis, 46202, IN
Dr. Kevin Edward Zawacki
  • Gender: Male
  • Address: Suite A 1312 W Arch Haven Ave Bloomington, 47403, IN
Dr. Tony K. Nasser
  • Gender: Male
  • Address: Suite A 2723 South 7th Street Terre Haute, 47802, IN
Dr. James J. Heger
  • Gender: Male
  • Address: 11108 Parkview Circle Drive Fort Wayne, 46845, IN
Dr. Daniel Meng
  • Gender: Male
  • Address: Suite 400 610 North Michigan Street South Bend, 46601, IN
Dr. Satyam Tatineni
  • Gender: Male
  • Address: 600 Mary Street Evansville, 47747, IN

Questions & Answers

Has Dr. Ratnakar Rajanahally affiliation with hospitals?

Dr. Ratnakar Rajanahally is affiliated with FRANCISCAN HEALTH DYER. For the full list of hospitals see this list.

Where can you meet with Dr. Ratnakar Rajanahally?

Dr. Ratnakar Rajanahally's office is located at 701 Superior Avenue Suite 4100 in Munster, IN 46321.

What conditions does Dr. Ratnakar Rajanahally treat?

Dr. Ratnakar Rajanahally provides treatment for Gastroesophageal Reflux Disease (GERD), Headache, Inguinal Hernia, Mitral Valve Prolapse (MVP), Prescription Refill, Ventricular Fibrillation. For the full list see this list.

Does Dr. Ratnakar Rajanahally have affiliation with practices?

Dr. Ratnakar Rajanahally is affiliated with Cardiospecialists Group. For the full list of practices see this list.

Does Dr. Ratnakar Rajanahally accept patients with CareSource?

Yes, Dr. Ratnakar Rajanahally is listed in-network for CareSource through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.