DO
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'neil, Medical Oncologist in New Haven, CT?
Dr. Daniel O'neil, MD is a Medical Oncologist, who primarily practices in New Haven, CT with 2 additional practice locations. He is board certified. Dr. O'neil completed his residency at Brigham and Women's Hospital. Dr. O'neil is fluent in English, and is currently seeing new patients. Dr. O'neil’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'neil’s office at (305) 243-1000.
Where did Dr. O'neil go to medical school and complete their residency?
Fellowship: NewYork-Presbyterian / Columbia University Medical Center
Residency: Brigham and Women's Hospital
Medical School: Albert Einstein College of Medicine
What languages does Dr. O'neil speak?
Dr. O'neil and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. O'neil treat?
As a Medical Oncologist, Dr. O'neil 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'neil. 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:
- Breast Cancer
- Upper-Outer Quadrant Right Female Breast Cancer
- Upper-Inner Quadrant Left Female Breast Cancer
- Lower-Outer Quadrant Right Female Breast Cancer
- Lower-Outer Quadrant Left Female Breast Cancer
- Estrogen Receptor Positive (ER+) Status
- Right Female Nipple and Areola Breast Cancer
- Mammary cancer
- Breast carcinoma
- Breast tumor
- Right female breast cancer upper-outer
- Upper-outer right female breast tumor
- Malignant growth in upper-outer right female breast
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
- Left female breast cancer upper-inner
- Upper-inner left female breast tumor
- Malignant growth in upper-inner left female breast
- Right female breast cancer lower-outer
- Lower-outer right female breast tumor
- Malignant growth in lower-outer right female breast
- Left female breast cancer lower-outer
- Lower-outer left female breast tumor
- Malignant growth in lower-outer left female breast
- ER Positive Breast Cancer
- Hormone-Sensitive Breast Cancer
- Estrogen-Driven Cancer
- Cancer of right female nipple
- Right female areola tumor
- Malignant growth on right female nipple
ICD-10 Codes:
- C50911: Malignant neoplasm of unspecified site of right female breast
- C50411: Malignant neoplasm of upper-outer quadrant of right female breast
- C50919: Malignant neoplasm of unspecified site of unspecified female breast
- C50412: Malignant neoplasm of upper-outer quadrant of left female breast
- C50912: Malignant neoplasm of unspecified site of left female breast
- C50212: Malignant neoplasm of upper-inner quadrant of left female breast
- C50511: Malignant neoplasm of lower-outer quadrant of right female breast
- C50811: Malignant neoplasm of overlapping sites of right female breast
- C50512: Malignant neoplasm of lower-outer quadrant of left female breast
- Z170: Estrogen receptor positive status [ER+]
- C50011: Malignant neoplasm of nipple and areola, right female breast
Also known as:
- Cancer Immunotherapy
- Cancer Chemotherapy
- Oncology immunotherapy
- Immune therapy for cancer
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
ICD-10 Codes:
- Z5112: Encounter for antineoplastic immunotherapy
- Z5111: Encounter for antineoplastic chemotherapy
Also known as:
- Long-Term Aromatase Inhibitor Use
- Breast Cancer
- Hormone Therapy for Breast Cancer
- Chronic aromatase inhibitor therapy
- Ongoing breast cancer hormone treatment
- Aromatase inhibitor medication
ICD-10 Codes:
- Z79811: Long term (current) use of aromatase inhibitors
Also known as:
- Cancer Spread to Liver and Bile Duct
- Liver Cancer
- Metastatic Liver Cancer
- Secondary Liver Tumor
- Liver Metastasis
ICD-10 Codes:
- C787: Secondary malignant neoplasm of liver and intrahepatic bile duct
Also known as:
- Age-Related Osteoporosis
- Fractures
- Osteoporosis
- Senile Osteoporosis
- Primary Osteoporosis
- Bone Thinning from Aging
ICD-10 Codes:
- M810: Age-related osteoporosis without current pathological fracture
Also known as:
- Estrogen Receptor Negative (ER-) Status
- Breast Cancer
- ER Negative Cancer
- No Estrogen Receptors
- Hormone Receptor Negative
ICD-10 Codes:
- Z171: Estrogen receptor negative status [ER-]
Also known as:
- Secondary Bone Cancer
- Bone Cancer
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
ICD-10 Codes:
- C7951: Secondary malignant neoplasm of bone
Which procedures does Dr. O'neil perform as a Medical Oncologist?
As a Medical Oncologist, procedures performed by a Dr. Daniel O'neil may include:
- 3D Conformal Radiotherapy
- Adaptive Radiation Therapy (ART)
- Adrenalectomy
- Blood Thinning Therapy / Anticoagulation
- Blood Transfusion Consultation
- Blood Transfusion Follow Up
- Bone Excision
- Bone Grafting
For detailed information, please contact Dr. O'neil's office.
Does Dr. O'neil accept my insurance?
Dr. O'neil accepts most major insurance plans. Important: Please call our office at (305) 243-1000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'neil accept in New Haven, CT?
Dr. O'neil in New Haven, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cambia (Regence)
CVS Health (formerly Aetna)
EmblemHealth
HealthComp
Humana
Medicare
State of Connecticut
UnitedHealthcare
View All Insurances
Where is Dr. O'neil's office located?
What is Dr. O'neil's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'neil's National Provider Identifier (NPI) number is 1962764209.
What common questions do patients ask about Dr. O'neil?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'neil
What is Dr. Daniel O'neil's specialty?
Dr. O'neil is a Medical Oncologist near New Haven, CT. An internist specializing in the diagnosis and treatment of various cancers and both benign and malignant tumors. This specialist determines and administers therapy for malignancies and collaborates with surgeons and radiation oncologists on additional cancer treatment options. Contact Dr. O'neil to book an appointment today.
Is this Dr. Daniel O'neil affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'neil is affiliated with Smilow Cancer Hospital At Yale New Haven, Saint Mary's Hospital - Waterbury, Ct 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 Medical Oncologist?
Explore Medical Oncologist 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 Daniel O'neil accepting new patients in New Haven, CT?
Yes, Dr. Daniel O'neil is accepting new patients at this time.
Does Dr. Daniel O'neil offer online booking?
Please contact Dr. O'neil's office at (305) 243-1000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Daniel O'neil?
Please contact Dr. O'neil's office at (305) 243-1000 for information regarding telehealth appointment availability or for scheduling assistance.
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