> > > > Dr. Marc Greenstadt, MD
Dr. Marc Abel Greenstadt MD is a male Internist, has 34 years of experience and practices in Internal Medicine.
Dr. Marc Greenstadt has 1 office location.
18350 Roscoe Blvd
Ste 300
Northridge, CA 91325

Phone Number
Locations and availability (1)
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. Marc Greenstadt:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

  • Currently 3 of 4 stars
Patient comments (2)

The overall average patient rating of Dr. Marc Greenstadt is Good. Dr. Greenstadt has been reviewed by 7 patients who have provided 2 comments. The rating is 3 out of 4 stars.

Patient Ratings
Ease of Appointment 3.3
  • Currently 3.25 of 4 stars
Promptness 3.5
  • Currently 3.5 of 4 stars
Courteous Staff 2.8
  • Currently 2.75 of 4 stars
Accurate Diagnosis 3.8
  • Currently 3.75 of 4 stars
Bedside Manner 3.8
  • Currently 3.75 of 4 stars
Spends Time with Me 3.5
  • Currently 3.5 of 4 stars
Follows Up After Visit 2.8
  • Currently 2.75 of 4 stars

Specialties & Research

Dr. Marc Greenstadt, MD is board certified in Internal Medicine.

  • He has special expertise in 2 areas:
  • Diabetes Mellitus
  • Diabetes

Education & Awards

Dr. Greenstadt graduated from University of California at Los Angeles. He has 2 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Compassionate Doctor Recognition (2013)


Dr. Greenstadt has 3 hospital affiliations:

  • Valley Presbyterian Hospital 
  • Northridge Hospital Medical Center, Roscoe Boulevard Campus 
  • Northridge Hospital Med Ctr Rosco 

Accepted Insurance Plans

Dr. Greenstadt accepts these health insurances in at least one office:

  • United Healthcare - 16 plans
  • Blue Shield of California - 88 plans
  • Anthem Blue Cross - 14 plans
  • Humana - 11 plans
  • Cigna - 5 plans
  • Aetna - 3 plans

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Additional Information
Where does Dr. Marc A. Greenstadt practice?
Dr. Marc Greenstadt practices Internal Medicine near Northridge, CA.
See Northridge Internists.