Summary

Dr. Mark Greenstadt specializes in internal medicine with advanced training in endocrinology, diabetes, and metabolism. He earned his medical degree from the David Geffen School of Medicine at UCLA and has been practicing medicine for five decades. Dr. Greenstadt speaks English and brings extensive expertise to his patient care.

Dr. Greenstadt practices at Dignity Health Northridge Hospital Medical Center in Northridge, California. He focuses on managing type 2 diabetes and treating diabetes in children and teenagers. His practice also includes handling serious blood sugar emergencies and performing essential diagnostic tests like blood work and heart rhythm monitoring. Patients have given Dr. Greenstadt an average rating of 4.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 50 years of experience
  • 37 insurance plans accepted
  • speaks English
  • David Geffen School Of Medicine At Ucla
  • 7 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Mark Abel Greenstadt has 2 locations

Dignity Health Northridge Hospital Medical Center

18300 Roscoe BlvdNorthridge, CA 91325

Greenstadt & Barakat Mds

18350 Roscoe Blvd Ste 300Northridge, CA 91325
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed

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Dr. Mark Abel Greenstadt, MDDr. Nima Ghadimi, MDKarthikeyan Viswanathan, DODr. Adewumi Bakare DMSc, PA-C
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
50 Years of Experience 29 Years of Experience 12 Years of Experience 5 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Spanish Speaks English, Tamil Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)
Northridge , CAScottsdale , AZPalo Alto , CAMesquite , TX
Med School: David Geffen School Of Medicine At Ucla Med School: Univ Iberoamericana Unibe Santo Domingo Med School: Bassett Medical Center - Cooperstown, New York Med School: University of Lynchburg - DMSc
Current Profile
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Insurance Plans Accepted by Dr. Mark Abel Greenstadt

  • Aetna
  • Aetna - HMO
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - Medicare
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Blue Shield of California - Medicare
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • Cigna
  • Commonwealth Care Alliance
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • HealthScope Benefits
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Nippon Life Benefits
  • Optum Health
  • Pan-American Life Insurance Group
  • SCAN Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. Mark Abel Greenstadt has the following 2 specialties

Specialty Expertise

Dr. Mark Abel Greenstadt has the following 11 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes (Types I & II)
  • Endocrinology, Diabetes & Metabolism
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism

Certifications, License, & Education

50 Years Experience

Education & Training

Medical School

Graduated from David Geffen School Of Medicine At Ucla in 1976.

NPI Number

Dr. Greenstadt's NPI number is 1861424418.

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Frequently Asked Questions

Where is Dr. Mark Greenstadt's office located?
Dr. Mark Greenstadt's office is located at 18300 Roscoe Blvd, Northridge, CA, 91325.
What languages does Dr. Mark Greenstadt speak?
Dr. Mark Greenstadt speaks English.
Is Dr. Mark Greenstadt accepting new patients?
Dr. Mark Greenstadt is accepting new patients on Vitals. View Dr. Mark Greenstadt's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Mark Greenstadt?
You can find contact information for Dr. Mark Greenstadt here on Vitals.
Which hospitals is Dr. Mark Greenstadt affiliated with?
Dr. Mark Greenstadt is affiliated with Dignity Health Northridge Hospital Medical Center.

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