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Dr. Mary O'Keeffe, MD
Hematology & Oncology* Age 45
Dr. Mary O'Keeffe, MD

Offers telehealth

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Dr. Mary O'Keeffe, MD is a Hematologist Oncologist in Mineola, NY.
Dr. Mary O'Keeffe, MD
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Dr. Mary O'Keeffe, MD

Hematology & Oncology* Age 45
Mineola, NY
Accepting new patients

Offers telehealth

Dr. Mary O'Keeffe, MD is a Hematologist Oncologist in Mineola, NY.
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About

Dr. Mary O'Keeffe, MD is a Hematologist Oncologist in Mineola, NY. Dr. O'Keeffe currently practices at Practice and is affiliated with NYU Langone Hospitals. Dr. O'Keeffe has experience treating conditions like Thyroid Cancer, Metastatic Respiratory System Cancer, Bone Cancer, Prostate Cancer, Bladder Cancer, Kidney Cancer, Hemophilia, Anemia, Coagulation Disorders and Adrenal Gland Cancer among other conditions at varying frequencies. Dr. O'Keeffe's office accepts new patients and telehealth appointments. Dr. O'Keeffe is board certified in Hematology and accepts multiple insurance plans.

Offers Telehealth

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

Compare with other Hematologist Oncologists

Compare Dr. O'Keeffe with our nearby Hematologist Oncologists at Saint John's Episcopal Hospital at South Shore
Photo: Dr. Mendel Warshawsky, MD
Dr. Mendel Warshawsky, MD
11 reviews
Learn More
These providers are on the medical staff of Saint John's Episcopal Hospital at South Shore
These providers are on the medical staff of Saint John's Episcopal Hospital at South Shore.
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Experience Check

Enter a condition or procedure
Thyroid Cancer
Metastatic Respiratory System Cancer
Bone Cancer
Thyroid Cancer
Metastatic Respiratory System Cancer
Bone Cancer
Thyroid Cancer
Metastatic Respiratory System Cancer
Bone Cancer
Prostate Cancer
Bladder Cancer
Kidney Cancer
Hemophilia
Anemia
  • View other providers who treat Anemia
Coagulation Disorders
Adrenal Gland Cancer
Bleeding Disorders
Lung Cancer
Biliary Tract Cancer
Pineal Region Tumors
Neutropenia
Vitamin B Deficiency
Liver Cancer
Venous Embolism and Thrombosis
Small Intestine Cancer
Leukocytosis
Lymphocytosis
Sickle Cell Disease
Chronic Lymphocytic Leukemia
Colorectal Cancer
Sickle Cell Hemoglobin SS Disease
Breast Lump
Deep Vein Thrombosis (DVT)
Thrombocytosis
Myeloproliferative Disorders
Breast Cancer
Myelodysplastic Syndromes
Osteosarcoma
Polycythemia Rubra Vera
Lymphocytopenia
Peritoneal Cancer
Multiple Myeloma
Skin Cancer
Non-Hodgkin's Lymphoma
Anal and Rectal Cancer
Squamous Cell Carcinoma of Skin
Brain Cancer
Thalassemia
Testicular Cancer
Hemochromatosis
Immune Thrombocytopenia
Abdominal Pain
Acidosis
  • View other providers who treat Acidosis
Acquired Hemolytic Anemia
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Infection
Acute Leukemia
Acute Lymphocytic Leukemia
Acute Lymphoid Leukemia
Acute Monocytic and Monoblastic Leukemia
Acute Myeloid Leukemia
Acute Pharyngitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
Alkalosis
All Headaches (incl. Migraine)
All Lymphoma
Allergic Rhinitis
Amyloidosis
Anaplastic Large Cell Lymphoma
Antiphospholipid Syndrome (APS)
Anxiety
  • View other providers who treat Anxiety
Arthritis
Arthritis of the Elbow
Asthma
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Ataxia
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Atherosclerosis
Atrophic Vaginitis
Back Pain
Basal Cell Carcinoma
Bedsores
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Benign Neoplasm of Brain
Bladder Infection
Blood Disorders
Blood Disorders in Pregnancy
Blood in Urine (Hematuria)
Bone Disorders
Breast Carcinoma
Bronchiectasis
Burkitt's Lymphoma
Calcium Metabolism Disorders
Cancer
  • View other providers who treat Cancer
Cancer of Cerebral Meninges
Cellulitis
Central Nervous System Lymphoma
Cervical Cancer
Chest Pain
Chordoma
  • View other providers who treat Chordoma
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Myeloid Leukemia (CML)
Chronic Neck Pain
Chronic Pain
Chronic Pulmonary Embolism
Chronic Sinusitis
Chronic Venous Embolism Thrombosis
Cold Sore
Colon Cancer
Constipation
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Cutaneous T-Cell Lymphoma
Dehydration
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Diffuse Large B-Cell Lymphoma
Dizziness
Ductal Carcinoma in Situ
Dyslipidemia
Dysphagia
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophageal Cancer
Esophagitis
Essential Tremor
Extramedullary Plasmacytoma
Eye Cancer
Fever
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Fibromyalgia
Folate Deficiency Anemia
Folic Acid Deficiency
Follicular Lymphoma Grade 2
Follicular Lymphoma Grade 3
Gait Abnormality
Gallbladder and Biliary Tract Cancer
Gallbladder Cancer
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Malabsorption
Gastroparesis
Genital Herpes
Gonorrhea Infections
Gout
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Hair Loss
Head and Neck Cancer
Headache
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Heart Disease
Hemophilia A
Hemorrhoids
Hereditary Amyloidosis
Hernia
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hodgkin's Disease
Human Immunodeficiency Virus (HIV)
Hypercalcemia
Hypercoagulable State
Hyperkalemia
Hyperlipidemia
Hypertension
Hypogammaglobulinemia
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Immune Thrombocytopenic Purpura (ITP)
Insomnia
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Intestinal Diverticulitis
Intestinal Diverticulosis
Iron Metabolism Disorders
Joint Pain
Kaposi's Sarcoma
Kidney Infection
Laryngeal Cancer
Leukocytopenia
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Lobular Carcinoma
Low Back Pain
Lyme Disease
Lymphoma
  • View other providers who treat Lymphoma
Lymphoma, Large-Cell
Macroglobulinemia (incl. Waldenstrom's )
Magnesium Metabolism Disorders
Malaise and Fatigue
Male Breast Carcinoma
Malignant Mediastinal Tumor
Malignant Pleura Secondary
Malnutrition
Mantle Cell Lymphoma
Marginal Zone Lymphoma
Mast Cell Diseases
Mastodynia
Maternal Anemia
Melanoma
  • View other providers who treat Melanoma
Meningiomas
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Merkel Cell Carcinoma
Migraine
  • View other providers who treat Migraine
Mineral Metabolism Disorders
Multiple Endocrine Neoplasia
Multiple Endocrine Neoplasia, Type 1 (MEN 1)
Mycosis Fungoides
Nail and Nail Bed Infection
Nausea
  • View other providers who treat Nausea
Neuroendocrine Tumors
Nodular Lymphoma
Nodular Sclerosis Hodgkins Lymphoma
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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Oral Cancer
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Otitis Media
Ovarian Cancer
Overactive Bladder
Overweight
Painful Urination (Dysuria)
Pancreatic Cancer
Pancytopenia
Patellofemoral Pain Syndrome (PFPS)
Penile Cancer
Penile Carcinoma
Pericardial Disease
Peripheral T-Cell Lymphoma
Pharyngitis
Pheochromocytoma
Phosphorus Metabolism Disorders
Pituitary Gland Cancer
Pituitary Tumor
Pleura Cancer
Pleural Cancer
Pneumonia
Pollen Allergy
Polyneuropathy
Polyuria
  • View other providers who treat Polyuria
Pregnancy-Related Disorders
Primary Central Nervous System Lymphoma
Primary Hypercoagulable State
Purpura
  • View other providers who treat Purpura
Rash
  • View other providers who treat Rash
Rectal Cancer
Reflux Esophagitis
Reticulosarcoma
Salivary Gland Cancer
Salivary Gland Stones and Inflammation
Sarcoidosis
Sciatica
  • View other providers who treat Sciatica
Secondary Diabetes Mellitus
Secondary Hypertension
Secondary Malignancies
Sexually Transmitted Diseases (STDs)
Shingles
  • View other providers who treat Shingles
Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Skin Ulcer
Sleep Apnea
Soft Tissue Sarcoma
Soft Tissue Sarcoma of Head, Face, and Neck
Stomach and Small Intestine Cancer
Stomach Cancer
T-Cell Prolymphocytic Leukemia
Tension Headache
Thalassemia Minor
Throat Cancer (Nasopharyngeal)
Throat Pain
Thrombosis
Thyroid Goiter
Tinnitus
  • View other providers who treat Tinnitus
Tobacco Use Disorder
Tonsil Cancer
Tremor
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Urinary Incontinence
Urinary Tract Infection (UTI)
Uterine Cancer
Vaginitis or Vaginosis
Vascular Disease
Venous Compression
Venous Insufficiency
Vertigo
  • View other providers who treat Vertigo
Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
  • View other providers who treat Wheezing
Anemia and Iron Deficiency Screening
Bone Marrow Biopsy
Bone Marrow Evaluation
Electrocardiogram (EKG)
Erythropoietin Test
HPC Transplantation (Stem Cell Transplant)
Immunization
Immunization Administration
Leukemia Diagnostic Evaluations
Liver Biopsy
Lymphoma Evaluation
Plasmapheresis
Smoking Cessation Counseling
Stereotactic Radiosurgery
Thoracentesis

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Cigna
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Blue Cross and Blue Shield
  • Capital District Physicians Health Plan (CDPHP) HMO
  • United Healthcare
  • Aetna
  • Harvard Pilgrim Health Care PPO
  • National (BlueCard) PPO
  • Emblem Health
  • Choice Care PPO
  • First Health (Coventry Health Care)
  • HealthyBlue 2.0
  • MultiPlan PPO
  • Empire Blue Cross Blue Shield

Locations

  1. 1 Winthrop Faculty Medical Affiliates University Faculty Practice Corp
    200 Old Country Rd Ste 450, Mineola, NY 11501
    Icon Directions Right Arrow Directions Phone Icon (516) 663-9544
  2. 2 Perlmutter Cancer Center at NYU Langone Arena Oncology
    1999 Marcus Ave Ste 308, New Hyde Park, NY 11042
    Icon Directions Right Arrow Directions Phone Icon (516) 883-0122
  3. 3 Winthrop Faculty Medical Affiliates University Faculty Practice Corp
    120 Mineola Blvd Ste 500, Mineola, NY 11501
    Icon Directions Right Arrow Directions Phone Icon (516) 663-9500

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Dr. O'Keeffe's Office & Staff

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Experience with Dr. O'Keeffe

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
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(516) 663-9544

About Me

Specialties*
Hematology
Hematology & Oncology
Internal Medicine
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. O'Keeffe communicate via email?
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Does Dr. O'Keeffe offer telehealth services or virtual visits?
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No
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Does Dr. O'Keeffe offer an online patient portal?
2 users said yes.
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Does Dr. O'Keeffe have free onsite parking?
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Frequently Asked Questions

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. Mary O'Keeffe, MD. To arrange an appointment, call the number on Dr. O'Keeffe's profile.

Dr. O'Keeffe frequently treats the following conditions: Thyroid Cancer, Metastatic Respiratory System Cancer, Bone Cancer, Prostate Cancer, Bladder Cancer, Kidney Cancer, Hemophilia, Anemia, Coagulation Disorders and Adrenal Gland Cancer. See more on Sharecare.

Dr. Mary O'Keeffe, MD is affiliated with NYU Langone Hospitals.

Yes, Dr. Mary O'Keeffe, MD holds board certification in Hematology, Internal Medicine and Medical Oncology.

Education
Board Certifications
  • Hematology, Internal Medicine and 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.

Hospital Affiliations

  • NYU Langone Hospitals

    550 1st Ave, New York, NY

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