Dr. Gregory T O'Conor, MD



Oncology   -  Pennsylvania,  Lancaster

 Overview

Dr. Gregory T O'Conor, MD works in Lancaster, Pennsylvania is a specialist in Oncology, Hematology, Internal Medicine and graduated Georgetown University School Of Medicine in 1978. Dr. O'Conor is affiliated with Lancaster General Hospital and practicing for 45 years

 Specialties

  • Oncology
  • Hematology
  • Internal Medicine

 Conditions

• Allergic Reactions to Insect Stings
• Aphasia
• Arterial Dissections With Lentiginosis
• Arterial Revascularization
• Bilateral Cataracts
• Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
• Carcinoma
• Cataract, Congenital, Cerulean, Type 3
• Cervical Spine Reconstruction
• Chronic Pain Management
  ...
• Correction of Protruding Ears
• Demyelinating Disorders
• Excision or Destruction of Tongue Lesion
• External Ear Disorders
• Facet Joint Nerve Ablation
• Food Allergy - Codfish
• Food Allergy - Fruit
• Food Allergy - Tree Nuts
• Functional Movement Screening
• Gastrointestinal Surgery, Laproscopic
• Hand Neuropathy
• Herbal Agent Adverse Reaction - Echinacea
• Hypertensive Encephalopathy
• Hypnosis (Medical Hypnotherapy)
• Hyposmolality and Hyponatremia
• Intrauterine Device Management
• Knee Pain
• Lumbar Decompression Therapy
• Marijuana Amotivational Syndrome
• Memory Disorders
• Mental Retardation, X-Linked Recessive - Macrocephaly - Ciliary Dysfunction
• Metabolic Rate Testing
• Microscopic Ulcerative Colitis
• Minimally Invasive Resection of Mediastinal Tumor
• Muscle Hypotonia
• Muscular Dystrophy, Congenital, Infantile With Cataract - Hypogonadism
• Muscular Dystrophy, Congenital, Type 1C
• Neurofibromatosis, Type 2
• Non-Melanoma Skin Cancer
• Ocular Myasthenia Gravis
• Optic Ataxia
• Outpatient and inpatient dialysis supervision and management [More]
• Pacemaker Therapy for Heart Failure
• Plasmapheresis
• Pleural Friction Rub
• Pneumonia Due to Pseudomonas
• Post-Dysenteric Arthropathy
• Primary Progressive Multiple Sclerosis
• Prolactinoma
• Retinoschisis, Autosomal Dominant
• Salivary Gland Stones
• Severe Chronic Pain
• Shoulder Fractures
• Sigmoid Diverticulitis
• Skin Allergy
• Skin Lesion
• Stitches
• The provision of follow-up treatment for patients who have undergone kidney transplants
• The provision of nutritional information for patients with kidney disease
• Thoracoscopic Segmentectomy
• Venous Thromboembolic Disease
• Warts
• Wound Infection
• Wrinkles
 more details

 Procedures

• Acute Leukemia
• Anal and Rectal Cancer
• Anemia
• Antiphospholipid Syndrome (APS)
• Bile Duct Cancer
• Bladder Cancer
• Bone Marrow Biopsy
• Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
• Brain Cancer
• Breast Cancer
  ...
• Carcinoma in Situ
• Central Nervous System Lymphoma
• Chronic Myeloid Leukemia (CML)
• Coagulation Disorders (incl. Hemophilia)
• Colorectal Cancer
• Cryoglobulinemia
• Deep Vein Thrombosis (DVT)
• ENT Cancer
• Esophageal Cancer
• Gallbladder and Biliary Tract Cancer
• Gallbladder Cancer
• Hodgkin's Disease
• Hypercoagulable State
• Immune Thrombocytopenic Purpura (ITP)
• Leukocytosis
• Liver Cancer
• Lung Cancer
• Lymphocytosis
• Lymphoma
• Lymphosarcoma
• Macroglobulinemia (incl. Waldenstrom's )
• Marginal Zone Lymphoma
• Melanoma
• Mycosis Fungoides
• Myelodysplastic Syndromes
• Myeloma
• Myeloproliferative Disorders
• Neutropenia
• Non-Hodgkin's Lymphoma
• Oral Cancer
• Osteosarcoma
• Ovarian Cancer
• Pancreatic Cancer
• Pancytopenia
• Paroxysmal Nocturnal Hemoglobinuria
• Pleura Cancer
• Pleural Neoplasm, Malignant
• Polycythemia Rubra Vera
• Prostate Cancer
• Renal (Kidney) Cancer
• Secondary Hypertension
• Secondary Malignancies
• Sickle Cell Disease
• Skin Cancer
• Small Intestine Cancer
• Soft Tissue Sarcoma
• Squamous Cell Carcinoma
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Testicular Cancer
• Thoracentesis
• Thrombocytosis
• Tongue Cancer
• Tonsil Cancer
• Uterine Cancer
• Venous Embolism and Thrombosis
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 45

 State License

  • Pennsylvania

 Education & Training

Medical School

Georgetown University School Of Medicine

Washington, DC, United States

Graduated: 1978

Residency Hospitals

Montefiore University Hosp/upmc

University Of Pittsburgh Med Center

 Awards

Awards for Dr. Gregory T O'Conor, MD are not present.

 Dr. O'Conor Reviews

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 Office Locations


Primary location

 Hematology/Oncology Medical Spec
2106 Harrisburg Pike
Pennsylvania (PA)
Lancaster
17601
 Phone:(717) 544-3600

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Hematology/Oncology Medical Spec, 2106 Harrisburg Pike, Lancaster, Pennsylvania (PA), 17601




 Insurances Accepted (check insurance plans)

  • Amerihealth
  • Cigna
  • Community Blue PPO
  • Great West Healthcare-Cigna PPO
  • Highmark Blue Cross Blue Shield
  • Keystone Health Plan East
  • Keystone Health Plan East HMO
  • Personal Choice PPO
  • UPMC
  • UPMC PPO

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Gregory T O'Conor, MD are not present.

 Patients Questions

Patients questions for Dr. Gregory T O'Conor, MD are not present.

 Affiliated Hospitals


Lancaster General Hospital photo


Lancaster General Hospital

555 North Duke Street Pennsylvania PA, Lancaster, 17604

Lancaster General Hospital is a hospital located in Lancaster, PA. Procedures/Diagnosis costs are at the state average in 16 of 16 procedures. Length of Stay is at the state average in 16 of 16 procedures.



  •  Latest reviews for Oncology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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