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Dr. John Gavencak, MD

Allergy & Immunology
Map Pin Small Whitestone, NY
Accepting new patients
49 years of experience

Overview of Dr. John Gavencak, MD

Dr. John Gavencak, MD is an Allergy & Immunology Specialist in Whitestone, NY. They specialize in Allergy & Immunology, has 49 years of experience, and is board certified in Allergy & Immunology. They graduated from NEW YORK MED COLL and is affiliated with Mount Sinai South Nassau.

Dr. Gavencak works at New York Internal Medicine PC in Whitestone, NY with other offices in East Rockaway, NY. They are accepting new patients and accept Aetna, Anthem and 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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These providers are on the medical staff of Optum Medical Care, P.C..

Dr. Gavencak's Office Locations

  1. 1
    New York Internal Medicine PC
    1752 Francis Lewis Blvd, Whitestone, NY 11357 Icon Directions Right Arrow Directions Phone Icon (516) 255-0350
    Monday
    09:00 - 17:00
    Tuesday
    09:30 - 18:15
    Wednesday
    09:30 - 17:00
    Thursday
    09:30 - 18:00
    Friday
    09:30 - 17:00
    Saturday
    08:00 - 14:00
  2. 2
    John R Gavencak, M.d.
    400 Atlantic Ave, East Rockaway, NY 11518 Icon Directions Right Arrow Directions Phone Icon (516) 599-2732

Hospital Affiliations
Admitting Hospitals

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

  • Mount Sinai South Nassau

Experience & Treatment Frequency

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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:

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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.
Desensitization
Aeroallergen Hyposensitization Therapy
Honeybee Desensitization Therapy
Aeroallergen Hyposensitization Therapy
Honeybee Desensitization Therapy

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.
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Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Amerigroup (Wellpoint)
    • Amerihealth
    • Anthem
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Commercial Insurance Company
    • EmblemHealth
    • First Health
    • Harvard Pilgrim Health Care
    • Healthfirst
    • Humana
    • Locals (any local)
    • Medicare
    • MultiPlan
    • Oxford Health Plans
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    Dr. Gavencak's Office & Staff

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    • How well provider listens and answers questions
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    About Dr. John Gavencak, MD

    Specialties
    • Allergy & Immunology
    Specialties
    Years of Experience
    • 49 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Polish
    Languages Spoken
    NPI Number
    • 1821089392
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • NY Med Coll-Metro Hosp
    Fellowship
    Medical Education
    • NEW YORK MED COLL
    Medical Education
    Board Certifications
    • Allergy & Immunology and Pediatrics
    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 Gavencak, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Gavencak is offering online scheduling or call the provider’s office for more information.

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

    Dr. Gavencak has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Gavencak.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Gavencak, there are benefits to both methods. A person calling to schedule an with Dr. Gavencak 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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