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    Dr. Ralph A. DeMaio, MD


    Dr. DeMaio's Overview

    Dr. DeMaio graduated from the Univ Di Bologna, Fac Di Med E Chirurgia, Bologna, Italy in 1976. He works in Woodland Park, NJ and specializes in Gastroenterology. Dr. DeMaio is affiliated with Chilton Medical Center, St Josephs Regional Medical Center and St Josephs Wayne Hospital.

    Dr. DeMaio's Experience

    Years in Practice: 40

    Dr. DeMaio's Specialties


    Dr. DeMaio's Education & Training

    Medical School: Univ Di Bologna, Fac Di Med E Chirurgia, Bologna, Italy; Graduated 1976

    Dr. DeMaio's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
    • View All Ratings

    Dr. DeMaio's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Aetna Choice POS II
    • Aetna Choice POS Open Access
    • Aetna HMO
    • Aetna Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Select
    • Aetna Signature Administrators PPO
    • Amerihealth Local Value Network EPO POSPlus PPO
    • Amerihealth Local Value Network HMO HMOPlus POS
    • Amerihealth Regional Pref Ntwk EPO POSPlus PPO
    • View More

    Dr. DeMaio's Office Information & Appointments

    Office Locations

    Gastroenterology Diagnostics Of Northern New Jersey

    205 Browertown Rd Ste 102
    Woodland Park, NJ 07424
    (973) 890-4780


    Office Hours and Information

    Fax: (973) 890-1097

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Monday 6:30 AM - 5:00 PM
    Tuesday 6:30 AM - 5:00 PM
    Wednesday 6:30 AM - 5:00 PM
    Thursday 6:30 AM - 5:00 PM
    Friday 6:30 AM - 5:00 PM
    Saturday 6:30 AM - 3:00 PM
    Sunday Closed

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    Office Locations

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