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 comments, questions and/or concerns.  Send us a secure message online or contact us by mail or phone.  Please complete the short form below and one of our dedicated staff members will contact you within the next 24 hours.  For a 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
Physician Contacts:
Please contact your pharmacy to request a refill on your prescription.  Please allow 48-72 hours for completion.


  Laura Peterkin, PA-C


Sarah T. & Rochelle B. (281) 453-2013

[email protected]

Howard B. Hamat, MD, FRCP 

Connie Delos Reyes, FNP-C


Tiffany A. & Tiffany D. (281) 453-2011

[email protected]

Prasun Shah, MD


Maygon T. (281) 453-2009

[email protected]

Meron Tesfay, MD


(281) 453-2017

[email protected]

Contact Information

Digestive & Liver 

Disease Consultants

Main Phone: 

(281) 440-0101

Scheduling Department: 

(281) 453-2050 

(New and/or Established Patient Office Visit Scheduling)

(281) 453-2008 

(Established Patient Recall Procedure Scheduling)

Billing Department:

(281) 453-2099

[email protected]

Medical Records Department:

 (281) 440-0101 Ext 1100

[email protected]


Practice Administrator:
Darla Walters
(281) 453-2026

[email protected]

Chief Compliance Officer:

Darla Walters
(281) 453-2026

[email protected]

Billing Manager:

Teresa Calderon

(281) 453-2022

[email protected]

Clinical Coordinator:
Sheena Orn

(281) 453-2012 

[email protected]

Scheduling Coordinator:
Rose Casarez
(281) 453-2027

[email protected]

Front Desk Coordinator:

Lucy Altamirano

(281) 440-0101 ext 1101

[email protected]

General Email: 

Hours of Operation

Mon-Thurs: 8-5pm

Fri: 8-4:30pm

Sat / Sun: Closed

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