For our Patients

At United Pathology Associates (UPA), our pathologists and staff are specialty trained and accessible to your attending physician. Most UPA pathologists are double board-certified in anatomic and clinical pathology with subspecialities in gastrointestinal and liver pathology, as well as other subspecialties including, but not limited to OBGYN and ENT.

In addition to providing our patients with great care, we’re passionate about making patients understand all concerns related to their pathology results.

Who Might Invoice a Patient?


Payment Options

Pay Online

United Pathology Assoc.
GALA Pathology Assoc.
GALA Histology Lab
24 hrs a day, 7 days a week

Pay by Phone

Monday – Friday
8 a.m. – 5 p.m.

Pay by Mail

United Pathology Associates

MSC 700 P.O. Box 4359 Houston, TX 77210-4359

GALA Pathology Associates

MSC 700 P.O. Box 4359 Houston, TX 77210-4359

GALA Histology Lab

P.O. Box 4927 Houston, TX 77210-4927

Billing Inquiries

Billing Contact Form

Please DO NOT make any payments to GALA/UPA until you receive a statement from GALA/UPA.

Please DO NOT contact your physician’s office, surgery center or endoscopy center if you have questions regarding your GALA/UPA charges.

Please DO call (281) 974-2038 or email us here for questions regarding your GALA/UPA statement.

Additional Resources


The laboratory examination of samples of body tissue for diagnostic purposes.

A doctor who specializes in pathology and is an expert at interpreting microscopic views of tissues to make a diagnosis.

The process of determining which disease or condition explains a person’s symptoms and signs.

Or (tissue specimen) – the removal of a sample of tissue or cells so that they can be examined by a pathologist.

Plays a critical role in tissue-based diagnosis. By coloring otherwise transparent tissue sections, these stains allow highly trained pathologists to view, under a microscope, tissue morphology (structure) or to look for the presence or prevalence of particular cell types, structures or even microorganisms such as bacteria.

Used to help diagnose diseases, such as cancer. It may also be used to help tell the difference between different types of cancer.