Diagnostic Clinic of Longview

Internal Medicine • Longview, TX • Since 1975

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About

Internal Medicine at Diagnostic Clinic of Longview (Longview, TX) - The Diagnostic Clinic of Longview (DCOL) is a privately held hospital/health care provider based in Longview, TX, founded in 1975. - They offer comprehensive family medicine and a range of specialties, including internal medicine, to the East Texas community. - Contact: main phone numbers (903) 757-6042 or +1-903-757-3808; website dcol.net.

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Clinic Type

Internal Medicine

Address

Internal Medicine 709 Hollybrook, Suite 4500 Longview, TX 75605

Phone

903-757-6042

Email

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Opening Hours

Monday-Friday 8:00 a.m. - 5:00 p.m.

Website

https://www.dcol.net/services/internal-medicine/

Services Offered

Internal Medicine
Infectious Disease
Travel Medicine
Outpatient Infusion
Skin and Soft Tissue Infections
Bone Infections
HIV treatment
Hepatitis C treatment

Insurance & Payment

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Languages Spoken

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Current Offers

New Patient Offer — null (expires null)

Social Media

Facebook

Photos

What Patients Say

Overall sentiment across review platforms: mixed

Birdeye: 4.8 out of 5 (1,692 reviews)
Expected Healthcare: 4.3 out of 5 (112 reviews)

Patients praise

Caring and knowledgeable providers
Efficient and thorough assessments by specific staff members
Convenient access to medical records within the network
Professional bedside manner for some physicians

Common complaints

Billing and administrative communication issues
Long wait times during busy periods
Frustration with appointment scheduling and cancellations
Concerns regarding staff-patient interactions and perceived lack of empathy

"Dr. Hart is a very caring doctor. He takes the time with you that a lot of doctors won't. He doesn't act like he's in a hurry to get to the next patient. He seems to be very knowledgeable and treats you like you matter."

— Birdeye Review

"I was apprently refered to this clinic which I had to drive almost an hour to attend only to find out I was given wrong information. I ended up being late to an appointment that had misinformation through no fault of my own!"

— Birdeye Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].