Our Locations
We offer care at two convenient locations to better serve our community.
At Dermatology Associates of Ithaca, we are proud to care for patients throughout the Finger Lakes region with expert dermatologic services delivered in a welcoming and supportive environment. Whether you are visiting us for a routine skin check, treatment of a skin condition, or ongoing dermatologic care, our team is committed to making your experience comfortable and informative.
Schedule an Appointment

Ithaca Office
Our Ithaca office is our main location and offers comprehensive dermatology services for patients of all ages. Here, our experienced providers take the time to listen, evaluate your concerns, and develop personalized treatment plans focused on long-term skin health.
Address
1051 Craft Road
Ithaca, NY 14850
Ithaca, NY 14850
Phone
(607) 257-1107Office Hours
Monday through Friday
7:30 AM to 5:00 PM
7:30 AM to 5:00 PM
Closed Saturday and Sunday
Providers at This Location

Ithaca and Cortland Offices
Josephine C. McAllister, MD, FAAD
Dermatologist & Founder
Click to learn more →

Ithaca Office
Catherine Thompson, PA-C
Physician Assistant
Click to learn more →

Ithaca Office
David Mizro, PA-C, Diplomate Fellow, SDPA
Physician Assistant
Click to learn more →

Ithaca and Cortland Offices
Donna Brigham, NP
Nurse Practitioner
Click to learn more →

Ithaca and Cortland Offices
Theresa Keller, NP
Nurse Practitioner
Click to learn more →

Ithaca and Cortland Offices
Mark Wernham, PA-C
Physician Assistant
Click to learn more →
Cortland Office
Our Cortland office offers the same thoughtful, high-quality dermatologic care in a comfortable and convenient setting. Patients can expect the same level of attention, expertise, and compassion from our providers and staff.
Address
3773 Luker Road
Cortland, NY 13045
Cortland, NY 13045
Phone
(607) 257-1107Office Hours
Monday through Friday
7:30 AM to 5:00 PM
7:30 AM to 5:00 PM
Closed Saturday and Sunday
Services Available at This Location
Providers at This Location

Ithaca and Cortland Offices
Josephine C. McAllister, MD, FAAD
Dermatologist & Founder
Click to learn more →

Ithaca and Cortland Offices
Donna Brigham, NP
Nurse Practitioner
Click to learn more →

Ithaca and Cortland Offices
Theresa Keller, NP
Nurse Practitioner
Click to learn more →

Ithaca and Cortland Offices
Mark Wernham, PA-C
Physician Assistant
Click to learn more →

Cortland Office
Thomas Brown, PA-C
Physician Assistant
Click to learn more →
What to Expect at Your Visit
At both locations, our goal is to provide care that feels thorough, respectful, and easy to understand. During your visit, you can expect:
A careful review of your medical history and skin concern
A detailed skin evaluation when appropriate
Clear explanations of findings and treatment options
Time to ask questions and discuss next steps
We believe informed patients are empowered patients, and we take pride in offering education alongside treatment.

Planning Your Visit
If you have questions before your appointment, our staff is always happy to help.
We recommend all patients arrive 15 minutes early to complete any necessary paperwork and insurance checks. Please bring your insurance information, a list of current medications, and any prior dermatology records if available
Schedule an Appointment
Schedule an Appointment
Ready to book your visit or have a question for our team?
Call (607) 257-1107 to speak with our office staff or use our online request form to get started.
Schedule an Appointment
Accreditations & Affiliations
Contact Us
Have a question or ready to schedule? We’re here to help.







