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Diagnostic Clinic
Hours and Locations


Contact DCOL

To contact us online please log into your patient portal. If you do not yet have a patient portal account please call us at 903.757.6042.
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Speakers Bureau

To book a Diagnostic Clinic of Longview clinical professional for your next event, please contact:

Contact DCOL


Use the Patient Portal to

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To contact us online please log into your patient portal.
If you do not yet have a patient portal account
please call us at 903.757.6042.

Contact our main DCOL office.

Call Now

903-757-6042
707 Hollybrook Drive
Longview, TX 75605


Contact our
Speakers Bureau

Call Now
Contact Tina Haggard to book a Diagnostic Clinic of Longview clinical professional for your next event.


Allergy, Asthma, Immunology


  • Location:
    East Texas Allergy and Asthma
    1009 N. Fourth Street, Suite A
    Longview, TX 75601

    Get Directions

    Phone:
    (903) 757-3808

    Meet the Providers:

  • Hours of operation:

    Monday-Wednesday & Friday
    8:30 a.m. – 5:00 p.m.
    Injection Desk:
    8:30 a.m. – 4:30 p.m.

    Thursday
    8:30 a.m. – 12:00 p.m.
    2:00 p.m. – 5:00 p.m.
    Injection desk:
    8:30 a.m. – 11:30 a.m.
    2:00 p.m. – 4:30 p.m.

    ** For your convenience, we do give injections during the lunch period on Monday, Tuesday, Wednesday and Friday.




Durable Medical Equipment


  • Location:
    Durable Medical Equipment
    707 Hollybrook Dr., Suite 500
    Longview, TX 75605

    Get Directions

    Phone:
    (903) 232-8276

  • Hours of Operation:

Ear, Nose, & Throat





Family Medicine



Family Medicine - Gilmer


  • Specialty:
    Family Practice

    Location:
    602 N. Titus, Suite 120
    Gilmer, TX 75644

    Get Directions

    Phone:
    (903) 843-5585

  • Hours of operation:
    Monday-Thursday
    7:30 a.m. – 5:00 p.m.
    Friday
    8:00 a.m. – Noon

    Meet the Providers:
    Buller, David, M.D.




Family Medicine - Gilmer II


  • Specialty:
    Family Practice

    Location:
    602 N. Titus, Suite 140
    Gilmer, TX 75644

    Get Directions

    Phone:
    (903) 843-2202

  • Hours of operation:
    Monday-Thursday
    7:00 a.m.- 4:00 p.m.
    Friday
    7:00 a.m. – 11:00 a.m.

    Meet the Providers:
    King, Lewis, M.D.

Family Medicine - Marshall





Gastroenterology Clinic


General Surgery Clinic





General Surgery Clinic II


Internal Medicine Clinic





Internal Medicine Clinic II


  • Specialty:
    Internal Medicine

    Location:
    707 Hollybrook, 1st Floor
    Longview, TX 75605

    Get Directions

    Phone:
    (903) 291-6161

  • Hours of operation:
    Monday
    8:30 a.m. – 4:00 p.m.

    Meet the Providers:
    Rangu, Srinivas, M.D.

Internal Medicine - Gilmer


  • Specialty:
    Family Practice

    Location:
    602 N. Titus, Suite 100
    Gilmer, TX 75644

    Get Directions

    Phone:
    (903) 843-3071

  • Hours of operation:
    Monday – Thursday
    8:00 a.m. – 4:30 p.m.
    Friday

    8:00 a.m. – 11:00 a.m.

    Meet the Providers:
    McDaniel, Adam, D.O.




Maternal-Fetal Medicine


  • Specialty:
    Prenatal Diagnosis, Preterm Delivery

    Location:
    707 Hollybrook, Suite #503
    Longview, TX 75605

    Get Directions

    Phone:
    (903) 291-6072

  • Hours of Operation:
    Monday – Thursday
    8:00 a.m. – 5:00 p.m.
    Friday
    8:00 a.m. – 12:00 p.m.

    Meet the Providers:

Medicare Center





Neurology Clinic


  • Specialty:
    Neurology

    Location:
    707 Hollybrook, Ste. 406
    Longview, TX 75605

    Get Directions

    Phone:
    (903) 315-2730

  • Hours of operation:
    Monday
    7:45 a.m. – 5:00 p.m.

    Meet the Providers:
    Hamer, Richard, M.D.

OB/GYN Clinic II


Orthopaedic & Podiatry Clinic





Pediatrics Clinic


Physical Therapy Clinic





Pulmonology


  • Specialty:
    Pulmonology, Sleep Medicine

    Location:
    707 Hollybrook, Suite 401
    Longview, TX 75605

    Get Directions

    Phone:
    (903) 291-6223

  • Hours of operation:
    Monday – Friday
    8:00 a.m. – 5:00 p.m.

    Meet the Providers:

Rheumatology





Walk-In Care – DCOL Express Care


  • Specialty:
    Walk-In (No Appointment Needed)

    Location:
    805 Medical Circle
    Longview, TX 75605

    Get Directions

    Phone:
    (903) 232-8186

  • Hours of operation:
    Monday – Friday
    11:00 a.m. – 8:00 p.m.

    Saturday
    9:00 a.m. – 5:00 p.m.

    Meet the Providers:

    **Currently Unavailable. Please contact your physician**