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Dr. John McGrath III, MD

Radiation Oncology*
5.0 (6)
Map Pin Small Concord, MA
Accepting new patients
31 years of experience

Offers telehealth

Overview of Dr. John McGrath III, MD

Dr. John McGrath III, MD is a Radiation Oncology Specialist in Concord, MA. They specialize in Radiation Oncology, has 31 years of experience, and is board certified in Radiation Oncology. They graduated from UNIVERSITY OF VERMONT AND STATE AGRICULTURAL COLLEGE and is affiliated with Massachusetts General Hospital and Emerson Hospital. Patients rated Dr. McGrath III an average 5.0 star rating.

Dr. McGrath III works at Practice in Concord, MA. They are accepting new patients and accept Aetna, Blue Cross Blue Shield and Humana 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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These providers are on the medical staff of Lowell General Hospital
Compare with other Radiation Oncology Specialists
Compare Dr. McGrath III with our nearby Radiation Oncology Specialists at Lowell General Hospital
These providers are on the medical staff of Lowell General Hospital.

Dr. McGrath III's Office Locations

  1. 1
    Emerson Hospital
    133 Old Road To 9 Acre Cor, Concord, MA 01742 Icon Directions Right Arrow Directions Phone Icon (978) 287-3290
  2. 2
    The Otolaryngology Group PC
    131 Old Road To 9 Acre Cor, Concord, MA 01742 Icon Directions Right Arrow Directions Phone Icon (978) 287-3290

Hospital Affiliations
Admitting Hospitals

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

  • Massachusetts General Hospital
  • Emerson Hospital

Experience & Treatment Frequency

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May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

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Breast Cancer
Anal and Rectal Cancer

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Prostate Cancer
Breast Cancer
Anal and Rectal Cancer
Bone Cancer
Brain Cancer
Colorectal Cancer
Ductal Carcinoma in Situ
Esophageal Cancer
Lung Cancer
Male Breast Carcinoma
Metastatic Respiratory System Cancer
Retroperitoneum Cancer
Thyroid Cancer
Upper Digestive Tract Cancer
Uterine Cancer
Adrenal Gland Cancer
Cervical Cancer
Cholangiocarcinoma
Diffuse Large B-Cell Lymphoma
Endocrine Gland Cancer
Ewing's Sarcoma
Follicular Lymphoma Grade 1
Follicular Lymphoma Grade 2
Hodgkin's Disease
Liver Cancer
Male Breast Cancer
Metastatic Breast Cancer
Mycosis Fungoides
Neuroendocrine Tumors
Non-Hodgkin's Lymphoma
Oral Cancer
Osteosarcoma
Pancreatic Cancer
Soft Tissue Sarcoma
Urinary Tract Cancer
Cardiac SPECT Imaging
PET-CT Scan
Ultrasound Guided Procedures
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    • Aetna
    • Blue Cross and Blue Shield of Massachusetts
    • Blue Cross Blue Shield
    • Connecticare
    • First Health
    • Harvard Pilgrim Health Care
    • Humana
    • MVP Health Care
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    5.0
    Average provider rating
    Based on 6 ratings
    Patient Ratings (6)
    5 Star
    (6)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
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    About Dr. John McGrath III, MD

    Specialties*
    • Radiation Oncology

    • *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
    • 31 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
    Languages Spoken
    NPI Number
    • 1215913157
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • UNIVERSITY OF VERMONT AND STATE AGRICULTURAL COLLEGE
    Medical Education
    Board Certifications
    • Radiation Oncology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

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

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

    Dr. McGrath III works at Practice in Concord, MA. View the full address on Dr. McGrath III’s profile.

    6 patients have reviewed Dr. McGrath III. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. McGrath III.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. McGrath III, there are benefits to both methods. A person calling to schedule an with Dr. McGrath III 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.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. McGrath III, or would you like to choose another provider and have an online appointment right now?
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    (978) 287-3290

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