About Us

Our laboratory consists of 15 Board certified pathologists and a seasoned team of cytotechnologists, histotechnologists, sales, and support staff.


Pathology Reference Laboratory billing is handled expertly by our own bilingual billing staff. Our billing department provides fair and equitable payment plans to all patients.


Pathology Reference Laboratory's PHYSICIAN ACCESS LINK (PAL) is a web based order entry and result retrieval product that is available to all clients with broadband connectivity. The physician can have access to current and historic pathology data 24 hours a day.


Pathology Reference Laboratory is dedicated to providing the highest quality technical and medical professional services to patients and the healthcare providers we are privileged to serve. Our foundation is based on total commitment to outstanding service and support.


Pathology Reference Laboratory is committed to providing a high degree of personalized service to each patient and physician. We strive for excellence in all aspects of our service. We believe that the key to our success begins and ends with the partnership between pathologist, healthcare provider, and patient.

Meet The Pathology Team

Brian D.
Towell, M.D.

Laboratory Medical Director
Specialist in GI and Urologic Pathology
Board certified in Anatomic and Clinical Pathology

Shari L.
Addington, M.D.

Specialist in GI and Liver Pathology
Board certified in Anatomic and Clinical Pathology

Jeffrey L.
Christal, M.D.

Specialist in Hematopathology
Board certified in Anatomic and Clinical Pathology
Board certified in Cytopathology
Board Certified in Hematopathology

Thomas S.
DeNapoli, M.D.

Specialist in Pediatric Pathology and Cytopathology
Board certified in Anatomic and Clinical Pathology
Board certified in Cytopathology
Board certified in Pediatric Pathology

Carl R.
Evans, M.D.

Medical Director - Fredericksburg
Board certified in Anatomic and Clinical Pathology

David N.
Henkes, M.D.

Director, Cytopathology
Specialist in Cytopathology and Molecular Pathology
Board certified in Anatomic and Clinical Pathology

William W.
Hinchey, M.D.

Specialist in GI and Urologic Pathology
Board certified in Anatomic and Clinical Pathology

Thomas F.
Kardos, M.D.

Specialist in Fine Needle Aspiration and Cytopathology
Board Certified in Anatomic Pathology
Board Certified in Cytopathology

Mark R.
Matthews, M.D.

Specialist in Dermatopathology
Board certified in Anatomic and Neuropathology
Board certified in Pediatric Pathology
Board certified in Dermatopathology

Shazli N.
Malik, M.D.

Board certified in Anatomic and Clinical Pathology
Board certified in Cytopathology

Cliff M.
Richmond, M.D.

Specialist in GI and Urologic Pathology
Board certified in Anatomic and Clinical Pathology

Victor A.
Saldivar, M.D.

Specialist in Pediatric Pathology
Board certified in Anatomic Pathology

Sherry
Wehner, M.D.

Specialist in Dermatopathology and Fine Needle Aspiration
Board certified in Anatomic and Clinical Pathology
Board certified in Cytopathology
Certified in Dermatopathology

Areas of Expertise

  • Anatomic Pathology
  • Dermatopathology
  • Fine Needle Aspirations
  • Gyn Pathology
  • GI Pathology
  • Hematopathology
  • Pediatric Pathology
  • Podiatric Pathology
  • Urologic Pathology
  • Cytopathology
  • Thin Prep™ Plus Imaging
  • Thin Prep™
  • SurePath™
  • HPV
  • CT and GC
  • Group B Strep
  • Immunohistochemistry
  • In-situ Hybridization Testing
  • Urovysion


9600 Datapoint Drive
San Antonio, Texas 78229
210.892.4775