Main (281) 440-0101           Scheduling (281) 453-2050  

                                                                                                                                                                                                  Digestive & Liver Disease Consultants, TX GI Docs, www.txgidocs.com, www.gimed.net, 275 Lantern Bend Dr. Suite 200 Houston, TX 77090 18955 Memorial North Suite 500 Humble, TX 77338 920 Medical Plaza Dr Suite 550 The Woodlands, TX 7738
                                                                                                                                                         Gastroenterology, Digestive & Liver Disease Consultants, PA , [email protected], [email protected], Guru N. Reddy, MD, Howard B. Hamat, MD, Ramu Chalasani, MD, Joseph Usta, MD, Scott A. Larson, MD, Gastroenterology, Liver DIsease, Digestive Health, Hepatitis

Contact Us:

Thank you for your interest in Digestive & Liver Disease Consultants, PA.  We are always interested in hearing your questions, comments and concerns.  Send us a secure message online or contact us by mail or phone.  Please complete the short form below and one of staff members will contact you within the next 24 hours.  For faster response, you may contact us directly using the contact information provided on the right hand side of this screen.  

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North Houston
275 Lantern Bend Dr.
Suite 200
Houston, TX 77090

Humble / Kingwood 
18955 Memorial North 
Suite 500
Humble, TX 77338

The Woodlands
920 Medical Plaza Dr.
Suite 550
The Woodlands, TX 77380

275 Lantern Bend Dr. Houston, TX 77090
18955 Memorial North Humble, TX 77338
920 Medical Plaza Drive The Woodlands, TX 77380
Prescription Refills: 
Please contact your pharmacy to request a refill on your prescription.  Please allow 48-72 hours for completion.

Guru N. Reddy, MD, FACP, FACG, FASGE, AGAF  Assistant:  

Rochelle (281) 453-2013

[email protected]

Howard B. Hamat, MD, FRCP


Tiffany (281) 453-2011

[email protected]

Ofor Ewelukwa, MD, MsC


Alicia (281) 453-2017

[email protected]

Ola Otulana, DO


Tiffany D. (281) 453-2052

[email protected]

Laura Peterkin, PA-C

Connie Delos Reyes, FNP-C

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Contact Information

Digestive & Liver 

Disease Consultants

Main Phone: 

(281) 440-0101

Scheduling Department: 

(281) 453-2050 (Office Visits)

(281) 453-2008 (Recall Procedures)

Billing Department:

(281) 453-2099


Medical Records Department:

Michelle (281) 453-2078

[email protected]


Practice Administrator:

Sarah E. Hodges

(281) 453-2026

[email protected]

Billing Manager:
Cathy Brewer

(281) 453-2022

[email protected]

Clinical Coordinator:
Sheena Orn

(281) 453-2012 

[email protected]

Scheduling Coordinator:
Rose Casarez
(281) 453-2027

[email protected]

Preventative Health & Patient Services Coordinator:
Michelle Smith
(281) 453-2025 (Desk)

[email protected]

General Email: 

Hours of Operation

Mon-Thurs: 8-5pm

Fri: 8-4:30pm

Sat / Sun: Closed