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Dr. Margarita Castro-Zarraga, MD

Addiction Medicine*
Map Pin Small Needham, MA
Accepting new patients
19 years of experience

Offers telehealth

Overview of Dr. Margarita Castro-Zarraga, MD

Dr. Margarita Castro-Zarraga, MD is an Addiction Medicine Internist in Needham, MA. They specialize in Addiction Medicine, has 19 years of experience. They graduated from UNIVERSITY OF THE CITY OF MANILA / COLLEGE OF MEDICINE and is affiliated with South Shore Hospital. Dr. Castro-Zarraga, completed a residency at The Brooklyn Hospital Center.

Dr. Castro-Zarraga works at Practice in Needham, MA with other offices in Lowell, MA and Greenfield, MA. They are accepting new patients and accept Aetna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Conditions Treated and Procedures Performed

Dr. Castro-Zarraga's Office Locations

  1. 1
    Genera Health Direct LLC
    105 Chestnut St Ste 35, Needham, MA 02492 Icon Directions Right Arrow Directions Phone Icon (617) 874-1234
  2. 2
    Lowell Community Health Center Inc.
    161 Jackson St, Lowell, MA 01852 Icon Directions Right Arrow Directions Phone Icon (978) 937-9700
  3. 3
    Office
    1 Arch Pl Ste 3, Greenfield, MA 01301 Icon Directions Right Arrow Directions Phone Icon (413) 584-2173

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • South Shore Hospital

Experience & Treatment Frequency

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Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Abdominal Disorders

Treatment frequency



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    • Aetna
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    About Dr. Margarita Castro-Zarraga, MD

    Specialties*
    • Addiction Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 19 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Filipino and Spanish
    Languages Spoken
    NPI Number
    • 1578705679
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Brigham and Womens Hospital
    Fellowship
    Residency
    • The Brooklyn Hospital Center
    Residency
    Internship
    • University of the PHilippines-Philipppine General Hospital
    Internship
    Medical Education
    • UNIVERSITY OF THE CITY OF MANILA / COLLEGE OF MEDICINE
    Medical Education

    Frequently Asked Questions

    Dr. Margarita Castro-Zarraga, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Castro-Zarraga is offering online scheduling or call the provider’s office for more information.

    Dr. Castro-Zarraga has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Castro-Zarraga has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Castro-Zarraga.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Castro-Zarraga, there are benefits to both methods. A person calling to schedule an with Dr. Castro-Zarraga appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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    (617) 874-1234

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