In case of an after-hours emergency please contact the following emergency hospital:

Veterinary Speciality Center of Delaware
290 Churchmans Road
New Castle, DE 19720
Phone: 302.322.6933

Harford Emergency & Referral Veterinary Services
526 Underwood Lane
Bel Air, MD 21014
Phone: 410.420.8000

Pets Emergency Treatment Services, INC.
930 North Queen Street
Lancaster, PA 17603
Phone: 717.295.7387

HOPE Veterinary Specialists
40 Three Tun Rd
40 Three Tun Rd
Phone: 610.296.2099
Visit Pet Portal to sign in to access your online tools
CALL US! 610.932.2093
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Meet Our Staff

Our care team provides many important services to our patients including: pre and post surgical care, monitoring symptoms, administering medications, alerting the doctors to any problems, and giving lots of hugs to frightened animals.

Lynn

Lynn Steinhauer, Customer Service Representative & Marketing Specialist

When you first step into Keystone Animal Hospital Lynn is the first person to greet you with a smile. She enjoys working with our clients and is happy to assist you with any questions or concerns.

Lynn lives in Lancaster County with her 3 children Austin, Zach & Hannah and her 2 Beagles Molly & Bella.

When not at work Lynn enjoys the outdoors,watching movies & scrap booking.

Pat

Patricia Remetz, Groomer

Pat comes to us from Lancaster County where she had her own grooming business and kennel for over 25 years. She has also worked for a Veterinary Hospital and in 2008 was voted “Best Grooming Shop” of the Year” by the Lancaster Newspaper.

She attended the M. Marie Spatz School of Dog Grooming.

In her spare time Pat enjoys her family time, horseback riding, herb gardening as well as competing in horse shows. She has three children, two horses, three birds, a cat, and three dogs.

Stefanie

Stephanie Maddalozzo, Veterinary Technician Assistant

Stef enjoys working with animals. In her free time she enjoys going to concerts and traveling. Stef loves spending time with her better half and her puppy Marvin.

Mary Ammon, Customer Service Representative

Mary has worked as a CSR for over 20 years. She loves helping clients and their pets. Mary will great you with a smile and give your pets too many treats. Mary loves spending time with her family.

Shirl

Shirl Eidson, Registered Veterinary Technician

Shirl graduated from CCBS-Essex with Vet Tech degree. Her and her husband grew up in the area. They have 2 boys that do various sports which they love to watch.

KathyG

Katherine Guerrero, Veterinary Technician

Kathy Guerrero is a Licensed Veterinary Technician since 2015. She is currently working on a Histotechnician Degree and wants to become a Histopathologist serving for both animals and human origins. She started with Keystone Animal Hospital in July 2017 and loves working along a team with a collective goal to improve the health and life of pets. Besides working at Keystone, providing quality care and dedication for patients and clients who visit the hospital, she is quite the musician! In her spare time, she plays instruments such as guitar, violin, flute, keyboard and ukulele. She has a garden back home and usually grows gladiolus and asparagus. She has a furry 7 year old Cocker Spaniel friend named Leroy. Kathy also cares for retired rats from laborator research facilities. You and your pets are in great hands with Kathy!

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