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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. Jeffrey Mariano:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Jeffrey Mariano is Excellent. Dr. Mariano has been reviewed by 2 patients who have provided 1 comments. The rating is 5 out of 5 stars.

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

Specialties & Research

Dr. Jeffrey Mariano, MD is board certified in Internal Medicine and Internal Medicine - Hospice & Palliative Medicine.

Education & Awards

Dr. Mariano graduated from University of California at San Francisco.


Dr. Mariano has 3 hospital affiliations:

  • UCLA Medical Center 
  • Santa Monica - UCLA Medical Center 
  • Ronald Reagan UCLA Medical Center 


  • Spanish
  • Tagalog

> > > > Dr. Jeffrey Mariano, MD

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Additional Information
Dr. Jeffrey De Castro Mariano MD is a male Internist, has 11 years of experience and practices in Internal Medicine and Hospice & Palliative Medicine.
Where does Dr. Jeffrey D. Mariano practice?
Dr. Jeffrey Mariano has 1 office location.
Dr. Jeffrey Mariano practices Internal Medicine and Hospice & Palliative Medicine near Los Angeles, CA.
See Los Angeles Internists and Los Angeles Hospice & Palliative Specialists.