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Dr. Thomas O'connor, MD

Boston, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'connor, Internist in Boston, MA?

    Dr. Thomas O'connor, MD is an Internist, who primarily practices in Boston, MA with 2 additional practice locations. He is board certified. Dr. O'connor is fluent in English, Portuguese, and Spanish, and is currently seeing new patients. Dr. O'connor’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'connor’s office at (617) 632-3000.

    What languages does Dr. O'connor speak?

    Dr. O'connor and their clinical team can communicate with patients in the following languages:

    • English

    • Portuguese

    • Spanish

    What conditions does Dr. O'connor treat?

    As a Internist, Dr. O'connor diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. O'connor. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ®)
    • Prostatic Carcinoma
    • Prostate Gland Cancer
    • Malignant Prostate Tumor

    ICD-10 Codes:

    • C61: Malignant neoplasm of prostate

    Also known as:

    • Cancer Chemotherapy
    • Cancer Immunotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy
    • Oncology immunotherapy
    • Immune therapy for cancer

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy
    • Z5112: Encounter for antineoplastic immunotherapy

    Also known as:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)
    • D509: Iron deficiency anemia, unspecified
    • D649: Anemia, unspecified

    Also known as:

    • Chronic Lymphocytic Leukemia
    • Chronic Lymphocytic Leukemia Treatment (PDQ®)
    • CLL
    • B-cell chronic lymphocytic leukemia
    • Lymphocytic leukemia

    ICD-10 Codes:

    • C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission

    Also known as:

    • Hereditary Hemochromatosis
    • Hemochromatosis
    • Hereditary hemochromatosis
    • Genetic Iron Overload
    • Primary Hemochromatosis

    ICD-10 Codes:

    • E83110: Hereditary hemochromatosis

    Also known as:

    • Multiple Myeloma
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
    • Active multiple myeloma
    • Untreated multiple myeloma
    • Plasma cell myeloma

    ICD-10 Codes:

    • C9000: Multiple myeloma not having achieved remission

    Also known as:

    • Immune Thrombocytopenic Purpura
    • Thrombocytopenia
    • Platelet Disorder
    • Immune thrombocytopenia
    • ITP
    • Idiopathic thrombocytopenic purpura
    • Low platelet count
    • Platelet deficiency
    • Bleeding disorder

    ICD-10 Codes:

    • D693: Immune thrombocytopenic purpura
    • D696: Thrombocytopenia, unspecified

    Also known as:

    • Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma
    • Mammary cancer
    • Breast carcinoma
    • Breast tumor

    ICD-10 Codes:

    • C50412: Malignant neoplasm of upper-outer quadrant of left female breast
    • C50911: Malignant neoplasm of unspecified site of right female breast

    Also known as:

    • Monoclonal Gammopathy
    • Blood Disorder
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
    • MGUS
    • Plasma Cell Disorder
    • Gammopathy of Undetermined Significance

    ICD-10 Codes:

    • D472: Monoclonal gammopathy

    Also known as:

    • Myelodysplastic Syndrome
    • Myelodysplastic Syndromes
    • Myelodysplastic Syndromes Treatment (PDQ®)
    • MDS
    • Preleukemia
    • Bone marrow failure disorder

    ICD-10 Codes:

    • D469: Myelodysplastic syndrome, unspecified

    Also known as:

    • Bladder Cancer
    • Urinary Bladder Cancer
    • Bladder Carcinoma

    ICD-10 Codes:

    • C679: Malignant neoplasm of bladder, unspecified

    Also known as:

    • Lung Cancer
    • Right upper lobe lung cancer
    • Bronchial cancer
    • Malignant neoplasm of lung

    ICD-10 Codes:

    • C3411: Malignant neoplasm of upper lobe, right bronchus or lung

    Also known as:

    • Iron Deficiency
    • Iron
    • Malnutrition
    • Lack of Iron
    • Low Iron Levels
    • Iron Depletion

    ICD-10 Codes:

    • E611: Iron deficiency

    Also known as:

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum

    Also known as:

    • Pancreatic Cancer
    • Pancreas Cancer
    • Malignant Pancreatic Tumor
    • Pancreatic Carcinoma

    ICD-10 Codes:

    • C259: Malignant neoplasm of pancreas, unspecified

    What procedures does Dr. O'connor perform?

    As a Internist, Dr. O'connor performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. O'connor. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Blood Transfusion
    • Blood Transfusion and Donation
    • Blood product transfusion
    • Red blood cell transfusion
    • Plasma transfusion

    CPT Codes:

    • 36430: Transfusion, blood or blood components

    Also known as:

    • Declotting of Vascular Access Device
    • Catheter declotting
    • Thrombolytic therapy for catheter
    • Blocked port-a-cath treatment
    • Vascular access device unblocking

    CPT Codes:

    • 36593: Declotting by thrombolytic agent of implanted vascular access device or catheter

    Also known as:

    • Bone Marrow Biopsy and Aspiration
    • Biopsy
    • Bone Marrow Tests
    • Bone Marrow Exam
    • Bone Marrow Sample Collection
    • Diagnostic Bone Marrow Procedure

    CPT Codes:

    • 38222: Diagnostic bone marrow; biopsy(ies) and aspiration(s)

    Also known as:

    • Follow-up Medical Nutrition Therapy
    • Medical Nutrition Therapy
    • Dietitian Re-assessment
    • Nutritional Counseling Session
    • Diet and Health Review
    • Dietary Counseling
    • Nutritional Assessment
    • Registered Dietitian Consultation

    CPT Codes:

    • 97803: Medical nutrition therapy; re-assessment and intervention, individual, face-to-face with the patient, each 15 minutes
    • 97802: Medical nutrition therapy; initial assessment and intervention, individual, face-to-face with the patient, each 15 minutes

    Does Dr. O'connor accept my insurance?

    Dr. O'connor accepts most major insurance plans. Important: Please call our office at (617) 632-3000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'connor accept in Boston, MA?

    Dr. O'connor in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross and Blue Shield of North Carolina

    • Blue Cross Blue Shield of Massachusetts

    • CVS Health (formerly Aetna)

    • Federal Employee Program

    • Medicare

    • Point32Health

    • State of Massachusetts

    • State of Nevada

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'connor's office located?

    Dr. Thomas O'connor's Primary Practice

    450 Brookline Ave

    Boston, MA 02215

    (617) 632-3000

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    Dr. Thomas O'connor's Practice 2

    101 Columbian St Fl 3

    South Weymouth, MA 02190

    Get Directions

    Dr. Thomas O'connor's Practice 3

    51 Performance Dr Ste 110

    Weymouth, MA 02189

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    What is Dr. O'connor's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. O'connor's National Provider Identifier (NPI) number is 1669507141.

    What common questions do patients ask about Dr. O'connor?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'connor

    What is Dr. Thomas O'connor's specialty?

    Dr. O'connor is a Internist near Boston, MA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. O'connor to book an appointment today.

    Is this Dr. Thomas O'connor affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'connor is affiliated with Brigham and Women's Hospital, Brigham and Women's Faulkner Hospital, Emerson Health which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Internist?

    Explore Internist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Thomas O'connor accepting new patients in Boston, MA?

    Yes, Dr. Thomas O'connor is accepting new patients at this time.

    Does Dr. Thomas O'connor offer online booking?

    Please contact Dr. O'connor's office at (617) 632-3000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas O'connor?

    Please contact Dr. O'connor's office at (617) 632-3000 for information regarding telehealth appointment availability or for scheduling assistance.

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