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Dr. Jill Lacy, MD

New Haven, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lacy, Medical Oncologist in New Haven, CT?

    Dr. Jill Lacy, MD is a Medical Oncologist, who primarily practices in New Haven, CT with 1 additional practice location. She is board certified by the American Board of Internal Medicine. Dr. Lacy is fluent in English, and is currently seeing new patients. Dr. Lacy’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lacy’s office at (203) 737-1600.

    What are Areas of Expertise for Dr. Lacy?

    Dr. Jill Lacy, MD is a highly-rated, board-certified Medical Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Lacy empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer, Esophageal Cancer, Gastrointestinal Cancer, Lymphoma, Pancreatic Cancer, or comprehensive wellness support. Serving the New Haven/CT community, Dr. Lacy is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Lacy go to medical school and complete their residency?

    • Medical School: Yale University School of Medicine

    Is Dr. Lacy board certified in Medical Oncologist?

    Yes, Dr. Jill Lacy, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Lacy speak?

    Dr. Lacy and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Lacy treat?

    As a Medical Oncologist, Dr. Lacy 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. Lacy. 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:

    • Pancreatic Cancer
    • Pancreas Cancer
    • Malignant Pancreatic Tumor
    • Pancreatic Carcinoma
    • Cancer of the pancreas
    • Malignant neoplasm of pancreas
    • Pancreatic adenocarcinoma

    ICD-10 Codes:

    • C259: Malignant neoplasm of pancreas, unspecified
    • C250: Malignant neoplasm of head of pancreas
    • C251: Malignant neoplasm of body of pancreas

    Also known as:

    • Cancer Chemotherapy
    • Cancer Immunotherapy
    • Cancer Radiation Therapy
    • Radiation Therapy
    • Radiation Therapy to Treat Cancer
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy
    • Oncology immunotherapy
    • Immune therapy for cancer
    • Radiation treatment for cancer
    • Oncology radiation
    • Radiotherapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy
    • Z5112: Encounter for antineoplastic immunotherapy
    • Z510: Encounter for antineoplastic radiation therapy

    Also known as:

    • Colorectal Cancer
    • Colon cancer
    • Rectal cancer
    • Bowel cancer
    • Malignant neoplasm of colon
    • Malignant neoplasm of rectum
    • Malignant neoplasm of sigmoid colon
    • Colon Cancer
    • Ascending Colon Cancer
    • Bowel Cancer
    • Colorectal Carcinoma

    ICD-10 Codes:

    • C189: Malignant neoplasm of colon, unspecified
    • C20: Malignant neoplasm of rectum
    • C187: Malignant neoplasm of sigmoid colon
    • C182: Malignant neoplasm of ascending colon

    Also known as:

    • Other Specific Healthcare Encounters
    • Special Medical Visits
    • Unusual Doctor Appointments
    • Healthcare for Unique Situations

    ICD-10 Codes:

    • Z7689: Persons encountering health services in other specified circumstances

    Also known as:

    • Other non-cancerous neuroendocrine Tumor
    • Neuroendocrine Tumor
    • Benign Tumor
    • Cancer
    • Endocrine Disease
    • Other benign neuroendocrine growths
    • Various non-cancerous hormone-producing tumors
    • Malignant NET
    • Neuroendocrine Cancer
    • NET Cancer

    ICD-10 Codes:

    • D3A8: Other benign neuroendocrine tumors
    • C7A8: Other malignant neuroendocrine tumors

    Also known as:

    • Esophageal Cancer
    • Esophagus Cancer
    • Malignant Neoplasm of Esophagus
    • Gullet Cancer
    • Esophageal Carcinoma

    ICD-10 Codes:

    • C155: Malignant neoplasm of lower third of esophagus
    • C159: Malignant neoplasm of esophagus, unspecified

    Also known as:

    • Bile Duct Cancer
    • Ampullary Cancer
    • Liver Cancer
    • Cholangiocarcinoma
    • Intrahepatic cholangiocarcinoma
    • Cancer of the ampulla of Vater
    • Malignant neoplasm of ampulla of Vater
    • Ampulla of Vater carcinoma

    ICD-10 Codes:

    • C221: Intrahepatic bile duct carcinoma
    • C241: Malignant neoplasm of ampulla of Vater

    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:

    • Anal Cancer
    • Anal Cancer Treatment (PDQ®)
    • Anus Cancer
    • Anal Carcinoma

    ICD-10 Codes:

    • C210: Malignant neoplasm of anus, unspecified

    Also known as:

    • Vascular Access Device Management
    • Vascular Access Care
    • Port Management
    • Catheter Care

    ICD-10 Codes:

    • Z452: Encounter for adjustment and management of vascular access device

    Which procedures does Dr. Lacy perform as a Medical Oncologist?

    As a Medical Oncologist, procedures performed by a Dr. Jill Lacy may include:

    For detailed information, please contact Dr. Lacy's office.

    Does Dr. Lacy accept my insurance?

    Dr. Lacy accepts most major insurance plans. Important: Please call our office at (203) 737-1600 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lacy accept in New Haven, CT?

    Dr. Lacy 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

    • AMA Insurance Services

    • CarePartners of Connecticut

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Lacy's office located?

    Dr. Jill Lacy's Primary Practice

    20 York St

    New Haven, CT 06510

    (203) 737-1600

    Get Directions

    Dr. Jill Lacy's Practice 2

    800 Howard Ave # 2

    North Haven, CT 06519

    Get Directions

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

    Dr. Lacy's National Provider Identifier (NPI) number is 1053392951.

    What common questions do patients ask about Dr. Lacy?

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

    What is Dr. Jill Lacy's specialty?

    Dr. Lacy 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. Lacy to book an appointment today.

    Is this Dr. Jill Lacy affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lacy is affiliated with Yale New Haven Hospital, York Street Campus which is a Castle Connolly Top Hospital. 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 Jill Lacy accepting new patients in New Haven, CT?

    Yes, Dr. Jill Lacy is accepting new patients at this time.

    Does Dr. Jill Lacy offer online booking?

    Please contact Dr. Lacy's office at (203) 737-1600 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jill Lacy?

    Please contact Dr. Lacy's office at (203) 737-1600 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jill Lacy have?

    Dr. Jill Lacy is certified by the American Board of Internal Medicine.

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