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Dr. John Allan, MD

Hematology & Oncology
4.9 (105)
Accepting new patients

Offers telehealth

Overview of Dr. John Allan, MD

Dr. John Allan, MD is a Hematology & Oncology Specialist in New York, NY. They completed their residency with New York Presbyterian Hospital Weill Cornell Medical Center

Dr. Allan works at Chronic Lymphocytic Leukemia (CLL) in New York, NY. They frequently treat conditions like Chronic Lymphocytic Leukemia, Lymphosarcoma and Non-Hodgkin's Lymphoma along with other conditions at varying frequencies. They are accepting new patients and accepts Aetna, Anthem and CareFirst Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Allan's Office Locations

  1. 1
    Chronic Lymphocytic Leukemia (CLL)
    520 East 70th Street, New York, NY 10021 Icon Directions Right Arrow Directions

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • NewYork-Presbyterian/Columbia University Irving Medical Center

Experience & Treatment Frequency

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What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Chronic Lymphocytic Leukemia
Lymphosarcoma
Non-Hodgkin's Lymphoma

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Chronic Lymphocytic Leukemia Chevron Icon
Lymphosarcoma Chevron Icon
Non-Hodgkin's Lymphoma Chevron Icon
Acute Leukemia Chevron Icon
Mantle Cell Lymphoma Chevron Icon
Nodular Lymphoma Chevron Icon
Anemia and Iron Deficiency Screening Chevron Icon
Bone Marrow Biopsy Chevron Icon
Bone Marrow Evaluation Chevron Icon
Cancer Screening Chevron Icon
Central Nervous System Lymphoma Chevron Icon
Erythropoietin Test Chevron Icon
Leukemia Diagnostic Evaluations Chevron Icon
Lymphoma Evaluation Chevron Icon
Marginal Zone Lymphoma Chevron Icon
Oral Cancer Screening Chevron Icon
Primary Central Nervous System Lymphoma Chevron Icon
Skin Screenings Chevron Icon
Vitamin B Deficiency Chevron Icon
Acute Lymphoid Leukemia Chevron Icon
Acute Myeloid Leukemia Chevron Icon
All Lymphoma Chevron Icon
Astrocytoma Chevron Icon
Basal Cell Carcinoma Chevron Icon
Bladder Cancer Chevron Icon
Brain Cancer Chevron Icon
Burkitt's Lymphoma Chevron Icon
Cholangiocarcinoma Chevron Icon
Colposcopy Chevron Icon
Esophageal Cancer Chevron Icon
Eye Cancer Chevron Icon
Gallbladder and Biliary Tract Cancer Chevron Icon
Gallbladder Cancer Chevron Icon
Immunotherapy Chevron Icon
Kidney Cancer Chevron Icon
Liver Cancer Chevron Icon
Lymphoma Chevron Icon
  • View other providers who treat Lymphoma
Medulloblastoma Chevron Icon
Melanoma Chevron Icon
  • View other providers who treat Melanoma
Meningiomas Chevron Icon
Mycosis Fungoides Chevron Icon
Myeloma Chevron Icon
  • View other providers who treat Myeloma
Neuroendocrine Tumors Chevron Icon
Ovarian Cancer Chevron Icon
Peripheral T-Cell Lymphoma Chevron Icon
Peritoneal Cancer Chevron Icon
Plasmapheresis Chevron Icon
Schwannoma Chevron Icon
Skin Cancer Chevron Icon
Soft Tissue Sarcoma Chevron Icon
Squamous Cell Carcinoma Chevron Icon
Stomach and Small Intestine Cancer Chevron Icon
Stomach Cancer Chevron Icon
Thoracentesis Chevron Icon
Thyroid Cancer Chevron Icon
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Affinity Health Plan
    • Amerihealth
    • Amida Care
    • Anthem
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • EmblemHealth
    • Empire Blue Cross Blue Shield
    • Fidelis Care
    • Medicaid
    • Medicare
    • Oxford Health Plans
    • POMCO Group
    • UnitedHealthCare
    • VNS Choice

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.9
    Average provider rating
    Based on 105 ratings
    Patient Ratings (105)
    5 Star
    (100)
    4 Star
    (3)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (2)
    Leave a review

    How was your appointment with Dr. Allan?

    Dec 19, 2022
    Great experience. Dr Allen took the time to explain complex medical information in layman’s terms and laid out a succinct and understandable treatment plan. He also inquired about and made recommendations and referrals to facilitate my overall health treatment plan.
    — Dec 19, 2022
    Read more reviews on Healthgrades
    Photo: Dr. John Allan, MD
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    • Likelihood of recommending Dr. Allan to family and friends

    Dr. Allan's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Allan

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Spends appropriate amount of time with patients

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    About Dr. John Allan, MD

    Specialties
    • Hematology & Oncology
    Specialties
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1144462441
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Residency
    • New York Presbyterian Hospital Weill Cornell Medical Center
    Residency
    Board Certifications
    • Hematology 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.

    Frequently Asked Questions

    Dr. John Allan, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Allan is offering online scheduling or call the provider’s office for more information.

    Dr. Allan has an average wait time of 10 – 15 minutes at their office(s).

    Dr. Allan has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Allan works at Chronic Lymphocytic Leukemia (CLL) in New York, NY. View the full address on Dr. Allan’s profile.

    Dr. Allan has seen patients for Chronic Lymphocytic Leukemia, Lymphosarcoma and Non-Hodgkin's Lymphoma, and more. You can see other conditions treated by Dr. Allan on their profile. Please call the provider’s office to confirm all visit reasons.

    105 patients have reviewed Dr. Allan. The overall rating for this provider is 4.9. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Allan.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Allan, there are benefits to both methods. A person calling to schedule an with Dr. Allan appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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