Maria Diaz, MD
- Washington Heights 4405 Broadway, New York, NY 10040
- Speaks English, French, Spanish, and Portuguese
- Accepts most Medicare plansView insurance accepted
Book a new patient appointment
Notify me when appointments are available.
This provider is accepting new patients, but a limited number of appointments are available to book online. Add your name to the waitlist, and a member of our team will contact you when new appointments are available.
Or you may call (888) 898-6762 to reach a member of our team. We will be happy to help you.

Meet Maria Diaz, MD
My education and background
- American Board of Internal Medicine
What I treat
- Internal Medicine
- Asthma
- Arteriosclerosis
- Anemia
- Osteoarthritis
- Diabetes
- Mental Health
- Kidney Disease
- Heart Disease
- Skin, Hair, and Nails
- Allergies
- Cold and Flu
Insurance Accepted
Maria Diaz, MD accepts the following insurance. Check your coverage or call us at (888) 812-1183 to see if we accept your specific insurance.
Original Medicare
Medicare Supplement
Medicare Advantage
My Location
- Address: 4405 Broadway, New York, NY 10040Get directions

Common questions
How do I become a patient of Maria Diaz?
Call (888) 812-1183 to become a patient of Dr. Diaz at Oak Street Health. You can also stop by your nearest doctors office and clinics or fill out an appointment request form, and we'll be in touch.
What insurance does Maria Diaz accept?
Dr. Diaz accepts all forms of Medicare, including Original Medicare Part B, select Medicare Advantage plans, Medicare Supplement or Medigap plans and Medicare-Medicaid Plans. Call us at (888) 812-1183 to see if we accept your specific insurance.
What is Maria Diaz's specialty?
Dr. Diaz is a Internist. At Oak Street Health, all our providers specialize in primary care for adults on Medicare.
Where is Maria Diaz's office located?
Dr. Diaz's primary office is at 4405 Broadway in New York, New York.
What languages does Maria Diaz speak?
Dr. Diaz speaks English, French, Spanish, and Portuguese.
Who can become a patient of Maria Diaz?
Our doctors specialize caring for anyone with Medicare, including Original Medicare Part B, select Medicare Advantage plans, Medicare Supplement or Medigap plans and Medicare-Medicaid Plans.
Reviews and ratings
Summary
The patient rating score is an average of all responses to an independent patient satisfaction survey administered by Qualtrics and patient feedback submitted via public review sites. All ratings and comments are displayed in their entirety.
Written reviews (19)
Book a new patient appointment
Maria Diaz
