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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. Conrad Castellino:

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Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Conrad Castellino is Average. Dr. Castellino has been reviewed by 16 patients who have provided 7 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.7
Courteous Staff 4.0
Accurate Diagnosis 3.5
Bedside Manner 3.7
Spends Time with Me 3.3
Follows Up After Visit 3.3

Education & Awards

Dr. Castellino graduated from Dow Medical College, Karachi. He has 1 awards.

Compassionate Doctor Recognition (2012)


Dr. Castellino has 3 hospital affiliations:

  • Mercy Medical Center, Merced - Community Campus 
  • John C Fremont Hospital 
  • Mercy Medical Center Merced 


  • Italian
  • Urdu
  • Hindi
  • Spanish
  • English

> > > > Dr. Conrad Castellino, MD

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Additional Information
Dr. Conrad Joachim Castellino MD is a male Internist, has 25 years of experience and practices in Internal Medicine.
Where does Dr. Conrad J. Castellino practice?
Dr. Conrad Castellino has 1 office location.
Dr. Conrad Castellino practices Internal Medicine near Merced, CA.
See Merced Internists.