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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. Michael Castellano:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Michael Castellano is Excellent. Dr. Castellano has been reviewed by 36 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.4
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 4.9
Spends Time with Me 4.8
Follows Up After Visit 4.6

Specialties & Research

Dr. Michael Castellano, MD is board certified in Surgery.

  • He has special expertise in 3 areas:
  • Appendectomy
  • Colorectal Surgery
  • Laparoscopic Gallbladder Surgery (Cholecystectomy)

Education & Awards

Dr. Castellano graduated from State University of New York Downstate, Brooklyn. He has 1 awards.

Patients' Choice Award (2014)


Dr. Castellano has 3 hospital affiliations:

  • Staten Island University Hospital North 
  • Staten Island University South 
  • Staten Island Community Hospital 


  • Italian
  • Spanish

> > > > Dr. Michael Castellano, MD

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Additional Information
Dr. Michael Renato Castellano MD is a male Surgeon, has 15 years of experience and practices in Surgery.
Where does Dr. Michael R. Castellano practice?
Dr. Michael Castellano has 1 office location.
Dr. Michael Castellano practices Surgery near Staten Island, NY.
See Staten Island Surgeons.