Dr. Ralph Villaran

Dr. Ralph Villaran

  • Gender: Male
  • Experience: 22 years
  • Graduation year: 1999
  • Sole propriator: No
  • NPI: 1699858985

Dr. Ralph Villaran M.D.

Infectious Disease Specialist

He is located at 9143 Indianapolis Boulevard in Highland, IN 46322. Can help patients with the following: Anemia, Candida Auris, Chronic Rhinitis, E. Coli Infection, Pinworm Infection, Pityriasis Rosea. His National Provider Identifier (NPI) number is 1699858985. Appointment can be made via the phone number (219) 972-1547. He is affiliated with 1 practices and 2 hospitals.

Conditions treated

Dr. Ralph Villaran, being an infectious disease specialist, 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. Ralph Villaran.

  • Abdominal Pain
  • Acquired Immunodeficiency Syndrome (AIDS)
  • Acute Pain
  • Anemia
  • Anthrax
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bacterial Vaginosis
  • Bladder Control
  • Boils
  • Botulism
  • Bronchitis
  • Brucellosis
  • Candida Auris
  • Cat Scratch Disease
  • Cellulitis
  • Chagas Disease
  • Chest Pain
  • Chickenpox
  • Chlamydia
  • Cholecystitis
  • Cholera
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Rhinitis
  • Common Cold
  • Constipation
  • Coronavirus
  • Cryptococcosis
  • Cystitis
  • Cytomegalovirus (CMV)
  • Dengue Fever
  • Diarrhea
  • Diphtheria
  • E. Coli Infection
  • Eastern Equine Encephalitis (EEE)
  • Ebola Hemorrhagic Fever
  • Edema
  • Encephalitis
  • Endocarditis
  • Epididymitis
  • Fever
  • Fifth Disease
  • Food Poisoning
  • Gangrene
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Genital Herpes
  • Giardiasis
  • Gonorrhea
  • Guinea Worm Disease
  • Hand, Foot, and Mouth Disease (HFMD)
  • Headache
  • Heart Disease
  • Helicobacter Pylori Infection
  • Hepatitis A (HAV)
  • Hepatitis B (HBV)
  • Hepatitis C (HCV)
  • Herpes Simplex Virus
  • Hiatal Hernia
  • High Blood Pressure
  • Histoplasmosis
  • Hot Flashes
  • Human Immunodeficiency Virus (HIV)
  • Human Papillomavirus (HPV)
  • Hyperlipidemia
  • Hyponatremia
  • Impetigo
  • Infectious Diseases
  • Infectious Mononucleosis
  • Influenza
  • Inguinal Hernia
  • Leishmaniasis
  • Leprosy
  • Leptospirosis
  • Listeriosis
  • Lyme Disease
  • Mad Cow Disease
  • Malaria
  • Measles
  • Meningitis
  • Migraine
  • Mumps
  • Nail Fungus
  • Nausea and Vomiting
  • Necrotizing Fasciitis (NF)
  • Neutropenia
  • Obesity
  • Osteomyelitis
  • Osteoporosis
  • Peptic Ulcer
  • Pinworm Infection
  • Pityriasis Rosea
  • Pneumonia
  • Polio
  • Prescription Refill
  • Rabies
  • Rocky Mountain Spotted Fever (RMSF)
  • Roseola
  • Rubella
  • Salmonella Food Poisoning
  • Scabies
  • Scarlet Fever
  • Schistosomiasis
  • Sepsis
  • Severe Acute Respiratory Syndrome (SARS)
  • Sexually Transmitted Diseases (STDs)
  • Smallpox
  • Sore Throat
  • Staph Infection
  • Stomach Flu
  • Strep Throat
  • Swine Flu
  • Syphilis
  • Tetanus
  • Thrush
  • Tonsillitis
  • Toxic Shock Syndrome (TSS)
  • Toxoplasmosis
  • Trichinosis
  • Tuberculosis (TB)
  • Typhoid Fever
  • Upper Respiratory Infection (URI)
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Valley Fever
  • Viral Hemorrhagic Fever (VHF)
  • West Nile Virus
  • Whooping Cough
  • Yaws
  • Yeast Infection
  • Yellow Fever
  • Zika Virus

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

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

Health plans

Anthem Blue Cross and Blue Shield

Network data as of Sep 10, 2026, as reported by the insurer.

Show all 15 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Essential 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Bronze Participating Accepting new patients at some locations
Anthem Bronze Essential 10150 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Bronze Participating Accepting new patients at some locations
Anthem Bronze Essential 6500 HSA (+ Incentives) HMO · Expanded Bronze Participating Accepting new patients at some locations
Anthem Bronze Essential 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients at some locations
Anthem Bronze Essential POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients at some locations
Anthem Bronze Essential POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients at some locations
Anthem Catastrophic Essential (+ Incentives) HMO · Catastrophic Participating Accepting new patients at some locations
Anthem Gold Essential 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients at some locations
Anthem Gold Essential 2200 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients at some locations
Anthem Heart Healthy Bronze Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients at some locations
Anthem Heart Healthy Silver Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients at some locations
Anthem Silver Essential 3500 HSA (+ Incentives) HMO · Silver Participating Accepting new patients at some locations
Anthem Silver Essential 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients at some locations
Anthem Silver Essential 7000 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients at some locations
Anthem Silver Essential 7000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients at some locations

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. Ralph Villaran 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. Ralph Villaran is enrolled to bill Medicare as a Practitioner - Infectious Disease .

Bills through: Infectious Disease Specialists Pc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Merck $307
Gilead Sciences $236
Alexion Pharmaceuticals $233

Other

Food and Beverage $1647

Studies

Graduated in 1999

Additional Specialities

  • Internist

Affiliated practices

Infectious Disease Specialists
9143 Indianapolis Boulevard
Highland, 46322 IN
(219) 972-1547

Affiliated hospitals

PORTER REGIONAL HOSPITAL
85 EAST US HWY 6
VALPARAISO, 46383 IN
(219) 983-8300
ST MARY MEDICAL CENTER INC
1500 S LAKE PARK AVE
HOBART, 46342 IN
(219) 942-0551

Looking for more Infectious Disease Specialists?

Here are infectious disease specialists in Indiana you may want to explore.

Dr. Mubashir A. Zahid
  • Gender: Male
  • Address: Suite 230 520 Mary Street Evansville, 47710, IN
Dr. Bree Ashley Weaver
  • Gender: Female
  • Address: 1001 West 10th Street Indianapolis, 46202, IN
Dr. Sheila Mothkur
  • Gender: Female
  • Address: Suite 101 1501 Wabash Street Michigan City, 46360, IN
Dr. Chad Edward Tewell
  • Gender: Male
  • Address: Suite 200 11455 North Meridian Street Carmel, 46032, IN
Dr. Sonya Chalasani Rayan
  • Gender: Female
  • Address: 11455 North Meridian Street Suite 200 Carmel, 46032, IN
Dr. Mohammad Fazalullah Sharief
  • Gender: Male
  • Address: Suite 101 701 East County Line Road Greenwood, 46143, IN
Dr. Anwer Jaffri
  • Gender: Male
  • Address: 315 East Davis Drive Terre Haute, 47802, IN
Dr. Kinan Attassi
  • Gender: Male
  • Address: 9696 Gordon Drive Highland, 46322, IN
Dr. Michele B. Weiberg
  • Gender: Female
  • Address: 138 North Dixon Road Kokomo, 46901, IN
Dr. Shobha Shahani
  • Gender: Female
  • Address: Suite E-140 1801 North Senate Boulevard Indianapolis, 46202, IN

Questions & Answers

Does Dr. Ralph Villaran accept insurance?

Dr. Ralph Villaran is listed in-network for 37 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, CareSource. See the Marketplace plans section for details.

What conditions does Dr. Ralph Villaran treat?

Dr. Ralph Villaran provides treatment for Anemia, Candida Auris, Chronic Rhinitis, E. Coli Infection, Pinworm Infection, Pityriasis Rosea. For the full list see this list.

Where can you meet with Dr. Ralph Villaran?

Dr. Ralph Villaran's office is located at 9143 Indianapolis Boulevard in Highland, IN 46322.

Does Dr. Ralph Villaran have affiliation with practices?

Dr. Ralph Villaran is affiliated with Infectious Disease Specialists.

Has Dr. Ralph Villaran affiliation with hospitals?

Dr. Ralph Villaran is affiliated with PORTER REGIONAL HOSPITAL. For the full list of hospitals see this list.