Dr. Tammie Ferringer
Tammie Ferringer, MD
Dr. Wells Chandler
Wells Chandler, MD


John Childs, MD

Led by Dr.Tammie Ferringer, the Geisinger Medical Laboratories (GML) Dermatopathology Subspecialty Group includes Wells Chandler, MD;Jerad M. Gardner, MD; Eric Hossler, MD; Jacqueline M. Junkins-Hopkins, MD; Christine Schleich, MD; and Allen Strickler, MD, PhD. MPH They support dermatology practices in several states. Bridging the clinic and the laboratory, the GML dermatopathologists specialize in:

  • Diagnosis of skin disorders
    Merging clinical information with pathologic findings. They offer comprehensive dermatopathologic services, including diagnosis of:
    • Melanocytic lesions
    • Cutaneous lymphoma
    • Benign and malignant tumors
    • Hair loss
    • Nail disorders

  • Fast Turnaround Time
    Reports delivered via fax, mail, or the electronically, with courier service to many locations.

  • Physician-friendly, personal attention
    Our dermatopathology group encourages physician consultations and provide results right over the phone when needed.


How are specimens transported to your laboratory?

Our couriers retrieve and transport specimens from regional physicians' offices, and we provide prepaid FedEx courier services for physicians with offices beyond our courier service area.

How can I get my patients' results?

Reports can be delivered delivered via fax, mail, courier, or electronically.

Do you offer a slide consultation service for second opinion?

Yes. Our specialists offer consultative services that provide guidance for additional diagnostic workup, prognostic information, pathogenetic insight, and therapeutic direction. Please forward the slides, previous dermatopathology reports and, if possible, the paraffin blocks, along with the request.

Do you offer slide preparation and technical services?

Yes, Geisinger Medical Laboratories provides histologic preparation and immunohistochemistry in addition to comprehensive diagnostic services

Do you offer client billing?

GML offers several billing options:

  1. Contracted Client Billing: GML clients will receive monthly itemized invoices for services provided.
  2. Patient Billing: GML can bill the patient directly if complete billing information is provided on the test requisition form at the time the specimen is submitted. If you have arranged for GML to bill directly, please advise the patient to expect a bill from Geisinger Medical Laboratories
  3. Third Party Billing: GML will bill the patient's insurance company directly.

For details about billing options, please see How to...Pay Your Bill.

For additional information about Dermatopathology Services, please call 1-800-695-6491.

Jacqueline M. Junkins-Hopkins, MD
Jacqueline M. Junkins-Hopkins, MD
Christine A. Schleich, MD
Christine A. Schleich, MD

Michelle Pitch, MD

Jerad M. Gardner, MD
Dr. Allen Strickler
Allen Strickler, MD, PhD
Eric Hossler, MD
Eric Hossler, MD
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