Dr. Mark Greenstadt, MD

Endocrinology, Diabetes & Metabolism*•Male•Age 75

Endocrinology, Diabetes & Metabolism*

Dr. Mark Greenstadt, MD is a diabetes & metabolism endocrinologist in Northridge, CA and has over 45 years of experience in the medical field. Dr. Greenstadt has extensive experience in Thyroid Disorders. He graduated from UNIVERSITY OF CALIFORNIA AT LOS ANGELES / CENTER FOR HEALTH SCIENCES in 1976. He is affiliated with Northridge Hospital Medical Center. He is accepting new patients.

Dr. Mark Greenstadt, MD

Practice

18350 Roscoe Blvd Ste 714 Northridge, CA 91325
(818) 717-3021

Accepting new patients

(818) 717-3021

Hospital Highlight

Dr. Greenstadt is affiliated with Northridge Hospital Medical Center Northridge, a highly rated and top awarded hospital for endocrinology, diabetes & metabolism.

At a Glance

  • Areas of Expertise
    Dr. Greenstadt specializes in the areas of Diabetes, Metabolism & Endocrinology & Internal Medicine. • See board certifications
  • Trustworthy
    Patients said this doctor is trustworthy. • See reviews
  • Practices at Top Hospital
    America’s 100 Best Hospitals for Critical Care Award™ • See hospitals
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Dr. Greenstadt's Reviews

Likelihood to recommend Dr. Greenstadt

4.0

26 ratings, 9 with a written review
5 Star
69%
69%
4 Star
4%
4%
3 Star
4%
4%
2 Star
0%
0%
1 Star
23%
23%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
No results
5 people found this helpful
Helpful
Deb – Aug 24, 2024
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What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Roxanne – Sep 25, 2021
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Robert Hicks – Feb 25, 2020
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Feb 09, 2020
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
Helpful
Sep 04, 2019
×Post a ResponseAre you Dr. Mark Greenstadt, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
4 people found this helpful
Helpful
Brian in Santa Clarita, CA – Jan 30, 2019
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Feb 26, 2018
×Post a ResponseAre you Dr. Mark Greenstadt, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Linda in North Hills Ca – Feb 25, 2017
×Post a ResponseAre you Dr. Mark Greenstadt, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Mike in Los Angeles, CA – May 26, 2016
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Know Before You Go

About Me

biography

Dr. Mark Greenstadt, MD is a diabetes & metabolism endocrinologist in Northridge, CA and has over 45 years of experience in the medical field. Dr. Greenstadt has extensive experience in Thyroid Disorders. He graduated from UNIVERSITY OF CALIFORNIA...read more

  • Endocrinology, Diabetes & Metabolism

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Of California At Los Angeles / Center For Health Sciences

    Medical School, 1976
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Diabetes, Metabolism & Endocrinology
- 
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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Focus on Diabetes

Locations

Practice

Office18350 Roscoe Blvd Ste 714 Northridge, CA 91325
1

Affiliated Hospitals

  • Northridge Hospital Medical Center

    18300 Roscoe Blvd
    Northridge, CA 91325
    Recipient of 25
    hospital awards

    America’s 100 Best Hospitals for Critical Care Award™ (2025)

    Superior clinical outcomes in treating pulmonary embolism, respiratory system failure, sepsis, and diabetic emergencies

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Superior clinical outcomes in treating pulmonary embolism, respiratory system failure, sepsis, and diabetic emergencies

    View all awards

    How patients felt about the care they received at this hospital.

    85%
    Patients said they were given information about recovering at home

    1% higher than the national average

    73%
    Patients said that doctors always listened to them and explained things well

    3% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality