arrow
  • Internal Medicine
  • 48 years of experience
  • 543 Valley Rd Ste 4, Montclair, NJ 07043

Brief Intro

Dr. Willenborg graduated from the Rutgers New Jersey Medical School in 1977. He works in Montclair, NJ and specializes in Internal Medicine. Dr. Willenborg is affiliated with Hackensack Meridian Mountainside Medical Center.

View More

Education Background

MEDICAL SCHOOL

Rutgers New Jersey Medical School - 1977

Languages Spoken

  • English

Location & Hours

  • 543 Valley Rd Ste 4, Montclair, NJ 07043
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:8:00 am - 5:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Internal Medicine

Conditions Addressed

  • Contact Dermatitis
  • Hypothyroidism
  • Obesity
  • Hearing Loss
  • Acute Upper Respiratory Tract Infections
  • Bronchial Asthma
  • Erectile Dysfunction (ED)
  • Anemia
  • Benign Prostatic Hypertrophy (BPH)
  • Acute Pharyngitis
  • Labyrinthitis
  • Fractures, Dislocations, Derangement, and Sprains
  • Skin and Subcutaneous Infections
  • Gout
  • Acute Bronchitis
  • Anxiety Phobic Disorders
  • Esophagitis
  • Disorders of Lipoid Metabolism
  • Lateral Epicondylitis
  • Atrial Fibrillation and Atrial Flutter
  • Acute Conjunctivitis
  • Insomnia
  • Peripheral Nerve Disorders
  • Herpes Zoster
  • Cardiac Arrhythmia
  • Attention Deficit Disorder (ADD)
View More

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • UnitedHealthcare
  • Medicare
  • Cancer 31
  • Cardiology, Heart & Vascular Surgery 14
  • Orthopedics 41
  • Neurology & Neurosurgery 30
  • Gastroenterology & GI Surgery 43
  • Pulmonology & Lung Surgery 51
  • Diabetes & Endocrinology 32
  • Children's Hospital 13
  • Urology 51
  • Psychiatry 35
  • Geriatrics 49
  • Rehabilitation 14
  • Obsterics & Gynecology 10
  • Ear, Nose & Throat 5
  • Long Term Care 9
  • Maternity Care (Uncomplicated Pregnancy) 32