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Internist, Infectious Disease Specialist (virus, bacteria, parasites)
37 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Jon Willen:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

2.5
  • Currently 2.5 of 4 stars
(4)
Patient comments (3)

The overall average patient rating of Dr. Jon Willen is Good. Dr. Willen has been reviewed by 4 patients who have provided 3 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Promptness 3.5
  • Currently 3.5 of 4 stars
Courteous Staff 3.5
  • Currently 3.5 of 4 stars
Accurate Diagnosis 3.0
  • Currently 3 of 4 stars
Bedside Manner 2.5
  • Currently 2.5 of 4 stars
Spends Time with Me 2.5
  • Currently 2.5 of 4 stars
Follows Up After Visit 2.5
  • Currently 2.5 of 4 stars

Specialties & Research

Dr. Jon Willen, MD is board certified in Internal Medicine and Infectious Disease.


Education & Awards

Dr. Willen graduated from Wake Forest University, Winston Salem.


Affiliations

Dr. Willen has 8 hospital affiliations:

  • Northridge Hospital Medical Center, Roscoe Boulevard Campus 
  • West Hills Hospital & Medical Center 

Languages

  • Spanish
  • English

> > > > Dr. Jon Willen, MD

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Additional Information
Dr. Jon Fredrick Willen MD is a male Internist, has 37 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. Jon F. Willen practice?
Dr. Jon Willen has 1 office location.
Dr. Jon Willen practices Internal Medicine and Infectious Disease near West Hills, CA.
See West Hills Internists and West Hills Infectious Disease Doctors.