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Dr. Margaret Callahan, MD
Medical Oncology* Age 50
Dr. Margaret Callahan, MD

Offers telehealth

Dr. Margaret Callahan, MD is a Medical Oncologist in Farmington, CT.
Dr. Margaret Callahan, MD

Dr. Margaret Callahan, MD

Medical Oncology* Age 50
Farmington, CT
Accepting new patients

Offers telehealth

Dr. Margaret Callahan, MD is a Medical Oncologist in Farmington, CT.
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About Dr. Margaret Callahan, MD

Dr. Margaret Callahan, MD is a Medical Oncologist in Farmington, CT. Dr. Callahan has experience treating conditions like Melanoma, Hypothalamus Cancer, Pineal Region Tumors, Malignant Pituitary Gland Tumor, Biliary Tract Cancer and Metastatic Respiratory System Cancer among other conditions at varying frequencies. Dr. Callahan's office accepts new patients and telehealth appointments. Dr. Callahan is board certified in Medical Oncology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Compare with other Medical Oncologists

Compare Dr. Callahan with our nearby Medical Oncologists at Newyork-Presbyterian Hudson Valley Hospital
These providers are on the medical staff of Newyork-Presbyterian Hudson Valley Hospital
These providers are on the medical staff of Newyork-Presbyterian Hudson Valley Hospital.
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Experience Check

Enter a condition or procedure
Melanoma
Hypothalamus Cancer
Pineal Region Tumors
Melanoma
  • View other providers who treat Melanoma
Hypothalamus Cancer
Pineal Region Tumors
Malignant Pituitary Gland Tumor
Biliary Tract Cancer
Metastatic Respiratory System Cancer
Liver Cancer
Thyroid Cancer
Skin Cancer
Lung Cancer
Brain Cancer
Bone Cancer
Adrenal Gland Cancer
Retroperitoneum Cancer
Endocrine Gland Cancer
Oral Cancer
Uterine Cancer
Anal and Rectal Cancer
Small Intestine Cancer
Colorectal Cancer
Anemia
  • View other providers who treat Anemia
Antiphospholipid Syndrome (APS)
Aortic Embolism and Thrombosis
Basal Cell Carcinoma
Benign Neoplasm of Brain
Bladder Cancer
Bleeding Disorders
Breast Cancer
Cancer of Cerebral Meninges
Central Nervous System Lymphoma
Chronic Lymphocytic Leukemia
Clitoral Cancer
Coagulation Disorders
Deep Vein Thrombosis (DVT)
Diffuse Large B-Cell Lymphoma
Esophageal Cancer
Eye Cancer
Follicular Lymphoma Grade 3A
Gallbladder Cancer
Head and Neck Cancer
Hodgkin's Disease
Hypercoagulable State
Immune Thrombocytopenic Purpura (ITP)
Labia Majora Cancer
Leukocytosis
Lymphoma, Large-Cell
Lymphosarcoma
Macroglobulinemia (incl. Waldenstrom's )
Malignant Mediastinal Tumor
Malignant Pleura Secondary
Meningiomas
Merkel Cell Carcinoma
Metastatic Breast Cancer
Multiple Myeloma
Mycosis Fungoides
Myelodysplastic Syndromes
Myeloproliferative Disorders
Neuroendocrine Tumors
Neutropenia
Nodular Lymphoma
Non-Hodgkin's Lymphoma
Nose Cancer
Osteosarcoma
Ovarian Cancer
Pancreatic Cancer
Pancytopenia
Peritoneal Cancer
Pituitary Gland Cancer
Pituitary Tumor
Pleura Cancer
Pleural Cancer
Polycythemia Rubra Vera
Primary Central Nervous System Lymphoma
Primary Hypercoagulable State
Prostate Cancer
Purpura
  • View other providers who treat Purpura
Reticulosarcoma
Salivary Gland Cancer
Secondary Hypertension
Sezary's Disease
Soft Tissue Sarcoma
Soft Tissue Sarcoma of Head, Face, and Neck
Squamous Cell Carcinoma of Skin
Stomach Cancer
Thalassemia
Tongue Cancer
Tonsil Cancer
Upper Digestive Tract Cancer
Urinary Tract Cancer
Venous Embolism and Thrombosis
Vulvar Cancer
Vulvovaginal Rhabdomyosarcoma
Bone Marrow Biopsy
Thoracentesis

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Flex Connecticut EPO
    Passage HMO
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • Choice POS
    Choice Care Network PPO
    Choice Care PPO
  • Blue Cross Blue Shield of Western New York PPO
  • BluePPO HSA PPO
    SimplyBlue/Simply Blue Plus PPO
  • MagnaCare PPO
  • Pro Plus Plans EPO
    Total Plans EPO
    Pro Plans EPO
  • Community Blue PPO
    Performance Blue
    Blue High Performance Network
    myBlue Access EPO
    BCBS PPO
    PPOBlue PPO
  • Cigna PPO
    Open Access Plus
  • Liberty Mutual Insurance Company
  • GHI CBP
    HIP Prime HMO
  • Navigate HMO
    Choice Plus POS
    Options PPO
    Navigate POS
    Nexus Open Access
  • Blue Priority NY EPO
    National Blue High Performance Network
    Blue Acess Employer Sponsored
    Empire Hospital/Medical (Trad)
    Connection Employer Sponsored
    Connection Blue High Performance Network
    Empire Hospital
    Empire Blue Cross Blue Shield PPO
  • Blue Card High Performance Network HPN
    Blue Card PPO
    High Performance Network - Tiered HPN
  • Freedom
  • National EPO
  • First Health (Coventry Health Care) PPO
  • Select
    Choice Plus POS II
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network Plus - Innovation Health

Where Dr. Margaret Callahan, MD Sees Patients

  1. 1 University of Connecticut Health Center
    263 Farmington Ave, Farmington, CT 06030
  2. 2 Memorial Hospital Opd at 66TH St
    300 E 66th St, New York, NY 10065

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Callahan?
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(860) 679-2100

Meet Dr. Margaret Callahan, MD

Specialties*
Medical Oncology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Callahan communicate via email?
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Does Dr. Callahan offer telehealth services or virtual visits?
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Does Dr. Callahan offer an online patient portal?
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Does Dr. Callahan have free onsite parking?
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Does Dr. Callahan offer weekend visits?
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Does Dr. Callahan offer evening visits?
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Does Dr. Callahan specialize in working with children or adolescents?
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Does Dr. Callahan specialize in working with seniors?
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Does Dr. Callahan specialize in couples therapy?
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Does Dr. Callahan specialize in working with LGBTQ+ community?
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Does Dr. Callahan accept insurance?
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FAQs About Dr. Callahan's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Margaret Callahan, MD. To arrange an appointment, call the number on Dr. Callahan's profile.

Dr. Callahan frequently treats the following conditions: Melanoma, Hypothalamus Cancer, Pineal Region Tumors, Malignant Pituitary Gland Tumor, Biliary Tract Cancer and Metastatic Respiratory System Cancer. See more on Sharecare.

Dr. Margaret Callahan, MD is affiliated with UConn John Dempsey Hospital.

Yes, Dr. Margaret Callahan, MD holds board certification in Medical Oncology.

Training & Medical Education
Board Certifications
  • Medical 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.

Hospitals Where Dr. Margaret Callahan, MD Practices

  • UConn John Dempsey Hospital

    100 Farmington Ave, Farmington, CT

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