Sam Wu, MD, FAAD

Dr. Sam Wu is a board-certified dermatologist and dermatopathologist who practices medical, surgical, and cosmetic dermatology as well as dermatopathology and is passionate about providing the very best dermatologic care for each and every patient. Click here to learn more about Dr. Wu.

David Guillen, MD

David Guillen, MD, our dermatopathologist and medical director of the laboratory, is board-certified by the American Board of Pathology both in anatomic and clinical pathology (AP/CP) and in dermatopathology. Click here to learn more about Dr. Guillen.

Dr. Guillen and his clinical lab staff are committed to providing the physicians and patients they serve with accurate, timely diagnostic results and are available for consultation when questions arise.

What is Dermatopathology?

Dermatologists are trained to recognize most skin diseases based on their appearance, anatomy, and behavior. Sometimes, however, to conclusively determine a diagnosis the physician must perform a skin biopsy to be further examined on a microscopic level, which is where the role of the dermatopathologist comes in. Dermatopathology is a sub-specialty of dermatology and pathology that focuses on the histopathologic analysis of skin. Pathologists and dermatopathologists are physicians that are trained to observe cells on a microscopic level, synthesize the data, and diagnose the disorder. This microscopic diagnosis provides the clinician with information that is often essential to selecting an appropriate treatment plan. Examples of these cases involve diagnoses of various skin conditions including skin cancers and rashes.

With the diagnostic expertise of of our subspecialty-focused dermatopathologist and group of experienced histotechnologists, our dermatopathology team provides efficient and reliable results for our patients including:

  • Gross and microscopic examination of skin, mucosa, hair, and nails
  • Extensive immunohistochemistry and special stains menu
  • Personalized, local service
  • Rapid turn-around time
  • Daily courier service to transport specimens to our lab
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974 SouthPoint Road, Suite D
Belmont NC 28012

Phone: 704-755-8020

Fax: 704-755-8021


5815 Blakeney Park Drive, Suite 100
Charlotte, NC 28277

Phone: 704-542-2220

Fax: 704-542-3304


309 S. Sharon Amity Road, Suite 200
Charlotte, NC 28211

Phone: 704-344-8846

Fax: 704-344-9844


7476 Waterside Loop Road #600
Denver, NC 28037

Phone: 704-601-4381

Fax: 704-822-5997

Forest City

651 Withrow Road
Forest City, NC 28043

Phone: 828-288-1204

Fax: 828-288-1205

Gastonia/937 Cox Road

937 Cox Road
Gastonia, NC 28054

Phone: 704-898-8014

Fax: 704-898-8018

Gastonia/959 Cox Road

959 Cox Road
Gastonia, NC 28054

Phone: 704-866-7576

Fax: 704-866-0106

Hickory/Tate Blvd. Building 100

315 19th St. SE, Building 100
Hickory, NC 28602

Phone: 828-325-9849

Fax: 828-325-9879

Hickory/Tate Blvd. Building 200

315 19th St. SE, Building 200
Hickory, NC 28602

Phone: 828-328-3500

Fax: 828-328-8777


13539 Reese Blvd W.
Huntersville, NC 28078

Phone: 704-892-4878

Fax: 704-892-7453


105 Delta Park Drive
Shelby, NC 28150

Phone: 704-484-0464

Fax: 704-482-0308

Map of Locations

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Accessibility: If you are vision-impaired or have some other impairment covered by the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to using this website, please contact our Accessibility Manager at 704-542-2220.
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