Diagnostic Clinic of Longview

Primary Care • Longview, TX • Since 1975

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About

Diagnostic Clinic of Longview (DCOL) is a privately held medical group and hospital-affiliated provider based in Longview, Texas, offering comprehensive family medicine along with multiple specialties to East Texas. The clinic provides general/family medicine and specialties such as internal medicine, pediatrics, OB/GYN, gastroenterology, orthopedics, cardiology, pulmonology, neurology, urology, and more. Contact: 903-757-6042. Website: dcol.net.

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Clinic Type

Primary Care

Address

805 Medical Circle, Longview, TX 75605

Phone

903-757-6042

Email

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Opening Hours

Monday - Thursday 7:30 a.m. - 5:00 p.m.; Friday 7:30 a.m. - 4:30 p.m.

Website

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

Services Offered

Family Medicine

Technology & Equipment

Digital X-Ray
Labs

Team

Leigh Barr, FNP-C — FNP-C
Laine Claxton, RN, MNSc, FNP-C — RN, MNSc, FNP-C
Diviney Cooksie Gavyn, FNP — FNP
Michelle Engdayehu, MSN, APRN, FNP-C — MSN, APRN, FNP-C
Gray March, NP — NP
Kamri Hickerson, MPAS, PA-C — MPAS, PA-C
R. Curtis Lane, PA — PA
Ameralena Roppel, NP — NP
Allison Rutelonis, APRN, MSN, FNP-C — APRN, MSN, FNP-C
Lisa Scrimpsher, APRN, MSN, FNP-C — APRN, MSN, FNP-C

Insurance & Payment

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Languages Spoken

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Current Offers

New Patient Offer — null (expires null)

FAQs

What are the hours of operation?

Hours of Operation: Monday - Thursday 7:30 a.m. - 5:00 p.m. Friday 7:30 a.m. - 4:30 p.m.

Social Media

Facebook

Photos

What Patients Say

Overall sentiment across review platforms: mixed

Birdeye: 4.8/5 (1,692)
Expected Healthcare: 4.9/5 (1,116)
Facebook: 84% recommend (70)

Patients praise

knowledgeable and caring healthcare providers
thorough and patient-centered medical consultations
pleasant and helpful staff in some areas
recent improvements in check-in and check-out processes
willingness to go above and beyond for patient needs

Common complaints

billing and administrative issues
scheduling difficulties and appointment cancellations
long wait times
perceived decline in patient-centered care
lack of communication regarding appointments

"Leigh Barr is the most knowledgeable, and caring health provider Ive ever had... She always has time, no matter how busy she, to answer all of my questions."

— User testimonial via expectedhealthcare.com

"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!"

— Patient review via Birdeye

"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."

— Patient review via Birdeye

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