Browse Health
Family Practitioner, Bariatric Specialist (obesity)
45 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. William Castilla:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. William Castilla is Excellent. Dr. Castilla has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Education & Awards

Dr. Castilla graduated from Universidad De Cartagena.


Dr. Castilla has 6 hospital affiliations:

  • St. Joseph'S Regional Medical Center 
  • Barnert Hospital 


  • Italian

> > > > Dr. William Castilla, MD

Similar doctors nearby

Dr. Hector Leon-Wong

Family Medicine
30 years experience
Passaic, NJ

Dr. Ishak Soliman

Family Medicine
24 years experience
Passaic, NJ

Dr. Jennifer Solomon

Family Medicine
9 years experience
Passaic, NJ

Dr. Suzan Faltas-Fouad

Family Medicine
31 years experience
Passaic, NJ

Dr. Paul Demuro

Family Medicine
32 years experience
Passaic, NJ

Dr. Tadeusz Pyz

Family Medicine
31 years experience
Wallington, NJ
Search All Similar Doctors
Additional Information
Dr. William P Castilla MD is a male Bariatrician, has 45 years of experience and practices in Bariatric Medicine.
Where does Dr. William P. Castilla practice?
Dr. William Castilla has 1 office location.
Dr. William Castilla practices Bariatric Medicine near Passaic, NJ.
See Passaic Family Physicians.