Dr. Ronald B Villanueva, MD



Internal Medicine   -  New Jersey,  Toms River

 Overview

Dr. Ronald B Villanueva, MD works in Toms River, New Jersey is a specialist in Internal Medicine, Diabetes, Metabolism & Endocrinology and graduated Montefiore Mc in 1995. Dr. Villanueva is affiliated with Community Medical Center and practicing for 30 years

 Specialties

  • Internal Medicine
  • Diabetes, Metabolism & Endocrinology

 Conditions

• Abnormal Uterine Bleeding
• Adolescent Counseling
• Adrenal Incidentaloma
• Adrenal Insufficiency
• Adrenogenital Disorders
• Amphetamine and Other Psychostimulant Dependence
• Anterior Tibial Tendon Repair
• Avascular Necrosis
• Benign Hematologic Problems
• Bile Duct Surgery
  ...
• Breast Fibroadenoma
• Broken Hand
• Bronchiolitis Obliterans With Obstructive Pulmonary Disease
• Bunionette
• Byssinosis
• Calcaneus Fracture
• Cocaine Addiction
• Congenital Mitral Stenosis
• Craniopharyngioma
• Cryoglobulinemia
• Cystic Hygroma
• Dysplasia
• Dystonia Musculorum Deformans, Type 2
• Elbow Disorders
• Fear of Getting Married
• Food Allergy - Carp
• Food Allergy - Castor Bean
• Goiter
• Hernia Repair
• Hypovolemia
• Leg Wounds
• Localized Adiposity
• Major Depressive Disorder
• Metastatic Tumors (Brain)
• Obsessive-Compulsive Disorder (OCD)
• Psychological Testing
• Psychopharmacologic Treatment
• Psychosocial Rehabilitation
• Pterygium Excision
• Pubovaginal Sling
• Pulmonary Angiography
• Pulmonary Edema
• Pulmonary Function Tests
• Quadriceps Tendon Repair
• Radical Hysterectomies for Cervical Cancer
• Runny Nose
• Stapedectomy
• Thymus Cancer
• Tumor
 more details

 Procedures

• Abnormal Thyroid
• Acromegaly and Gigantism
• Adrenal Gland Diseases
• Adrenal Incidentaloma
• Adrenal Insufficiency
• Adrenogenital Disorders
• Calcium Metabolism Disorders
• Continuous Glucose Monitoring
• Craniopharyngioma
• Cushing's Syndrome
  ...
• Diabetes
• Diabetes Coma
• Diabetes Insipidus
• Diabetes Ketones
• Diabetes Type 1
• Diabetes Type 2
• Diabetes With Renal Manifestations
• Diabetic Ketoacidosis
• Diabetic Retinopathy
• Endocrine Disorders
• Goiter
• Graves' Disease
• Hashimoto's Disease
• Hormone Imbalance
• Hypercalcemia
• Hyperkalemia
• Hyperlipidemia
• Hyperparathyroidism
• Hyperthyroidism
• Hypoglycemia
• Hypokalemia
• Hypoparathyroidism
• Hypopituitarism
• Hyposmolality and Hyponatremia
• Hypothyroidism
• Insulin Pump Therapy
• Lipid Disorders
• Obesity
• Osteopenia
• Osteoporosis
• Phosphorus Metabolism Disorders
• Polycystic Ovarian Syndrome
• Proteinuria
• Rickets
• Testicular Dysfunction
• Testosterone Deficiency
• Thyroid Cancer
• Thyroid Disease
• Thyroid Nodule
• Thyroiditis
• Vitamin D Deficiency
 more details

 Years Since Graduation

  • 30

 State License

  • New Jersey

 Spoken Languages

  • Spanish

 Education & Training

Internship Hospital

Montefiore Mc

Year completed: 1995

Fellowship Hospital

Mt Sinai Mc

New York, NY, USA

New York, NY, USA

Medical School

University Of The Philippines Manila, College Of Medicine

Manila, Philippines
Graduated: 1993

 Awards

1   AACE
2   ACP
3   AMA

 Dr. Villanueva Reviews

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 Office Locations


Primary location

 Oscar T Ortiz MD PC
1163 Route 37 West Suite A1
New Jersey (NJ)
Toms River
8755
 Phone:(732) 736-1000
Additional data:
Free Standing Surgery Center?    No
Office Volume:    40 patients per day
Performs Procedures On Site?    No

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Oscar T Ortiz MD PC, 1163 Route 37 West Suite A1, Toms River, New Jersey (NJ), 8755




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Amerigroup (Wellpoint)
  • Amerihealth
  • Amerihealth HMO
  • Amerihealth PPO
  • AvMed
  • Blue Card PPO
  • Blue Cross Blue Shield
  • CHAMPVA
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • Direct Access
  • Direct POS
  • Direct Value Network POS
  • EmblemHealth
  • Freedom Plan
  • GHI PPO
  • Great West Healthcare-Cigna PPO
  • Health Insurance Plan of Greater New York (HIP) PPO
  • Horizon Blue Cross Blue Shield HMO
  • Horizon Blue Cross Blue Shield of New Jersey
  • Horizon Blue Cross Blue Shield POS
  • Horizon Blue Cross Blue Shield PPO
  • Humana
  • MagnaCare
  • MagnaCare PPO
  • Medicaid
  • Medicare
  • Medicare MCR
  • National Elevator
  • Navigate HMO
  • Navigate POS
  • Open Access
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • POMCO Group
  • QualCare
  • QualCare HMO
  • QualCare PPO
  • UnitedHealthCare
  • Value Network HMO
  • Value Network PPO

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Ronald B Villanueva, MD are not present.

 Patients Questions

Patients questions for Dr. Ronald B Villanueva, MD are not present.

 Affiliated Hospitals


Community Medical Center photo


Community Medical Center

99 Highway 37 West New Jersey NJ, Toms River, 8755

Community Medical Center is a hospital located in Toms River, NJ. Procedures/Diagnosis costs are at the state average in 11 of 12 procedures. Length of Stay is shorter than the state average in 2 of 12 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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