Deerfield Animal Hospital

Deerfield Animal Hospital - your San Antonio veterinarians! Your pet is a part of your family, so we are committed to providing you with the best possible care for your pets.

From the moment you walk through our doors, you will see that our doctors and staff strive to provide a friendly and caring environment. What sets us apart from the rest is the service we provide. We work hard to insure you are comfortable with all the decisions made regarding your pet’s healthcare.

It is our commitment to provide complete veterinary care throughout the life of your pet with compassion and an emphasis on client education.

Our services and facilities are designed to assist in routine preventive care for young, healthy pets; early detection and treatment of disease as your pet ages; and the highest quality medical and surgical care as necessary during their lifetime. We treat your pet as we would our own.

Our compassionate and knowledgeable veterinarians are committed to staying up to date with the latest diagnostics, therapies, and preventatives.

Our Mission

"...is to provide excellent and compassionate pet health care through humble service and genuine care."
  • 14855 Blanco Road Ste. 104
  • San Antonio,TX 78216
  • Phone: (210) 492-5575
  • Fax: (210) 492-5579
  • Email Us
  • Get Directions
  • Mon-Fri: 7:30am - 6:00pm
  • Sat: 8:00am - 12:00pm
  • Sundays: Closed
  • For after hours pet emergencies, call (210) 492-5575.
  • New custom field
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    Peter M. Hey, DVM

    Veterinarian
    Dr. Pete Hey grew up on a ranch in Mason, Texas working cattle and goats. Dr. Hey then went on to College Station where he earned his DVM from the Texas A&M College of Veterinary Medicine in 1989. He met his wife, Maria, just as he was headed out the door to graduate. They were married in 1991 just a few months before Dr. Maria graduated with her DVM. They have three beautiful children, Gabriel, Malachi, and Hannah. When not providing dedicated surgical and medical care for his patients, Dr. Hey spends most of his time off with his family.He loves the beach and also enjoys getting back home to the ranch when he can. If Dr. Hey isn't driving carpool, he is searching for cool old cars or preparing something mouth watering on the grill. The Hey family has an array of pets as seen in Dr. Maria Hey's bio.
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    Jennifer A. Halberg, DVM

    Veterinarian
    Dr. Halberg was born in Houston, Texas and moved to San Antonio in the early 80's. She attended Clark High School, Mary Baldwin College for her undergrad, and Texas A&M University for her doctorate of veterinary medicine.

    Her interests include working out and staying physically fit, reading, listening to music, and going to concerts and musicals. She is married and has a daughter, a labrador retriever named Jager, a mixed breed named Madchen, a terrier mix named Sadie and a domestic short hair named Tigger. Dr. Halberg has been with the Deerfield family since 2007.
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    Anne M Faseler, DVM

    Veterinarian
    Dr. Faseler was born in McAllen, TX; moved around until she was 6 yrs old because her father was in the Army. She grew up in Plano, TX for 29yrs, then moved to San Antonio area in December of 2004. Dr. Faseler attended Texas A&M University for her bachelors in Veterinary Science and received her doctorate of veterinary medicine in 1994. She is a full-time mother/wife! She has been married to Steve Faseler for over 20 years and they have 4 beautiful daughters that keep her very busy. She enjoys being involved in her daughter's activities including band, athletics, and 4H. She loves watching football and is active in the church and women's ministries. Sadly, all this leaves little time for scrapbooking. The Faseler family have two German short-haired pointers named Wesley and Hunter, a miniature schnauzer named Dolly, a cat name Skye, two rabbits named Precious and Spot, a dumbo rat named Indy, and two amazon river frogs named Shrek and Baby. 
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    Stacey S. Kronewetter, DVM

    Veterinarian
    Dr. Kronewetter comes to us by way of El Paso, Texas. She attended Texas A&I University in Kingsville and earned a Bachelors Degree in Animal Science. While working on her Masters degree, she was accepted into Auburn University School of Veterinary Medicine, "War Eagle!" Her original plans with her DVM degree was to enter the field of animal research, but fate pushed her into general practice. She has worked all over this state as a practitioner and relief work. She loves general surgery especially cosmetic and soft tissue cases, dentistry and feline medicine. When not a War King, she is an avid DIY'er, a wood worker, an amateur chef and a beginner wine connoisseur. She has 2 pugs, Gracie and Bobi, and a Bengal-mix cat named Lily.
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    Maria T. Hey, DVM

    Practice Manager / Veterinarian
    Dr. Maria Hey grew up in Amarillo, Texas where her love of animals began. She then headed off to College Station, where she earned her bachelors degree in biochemistry and her DVM from the Texas A&M College of Veterinary Medicine. It is there where she met her husband, Dr. Pete Hey. They were married in 1991, just a few months before her graduation. They now have three beautiful children, Gabriel, Malachi, and Hannah. Dr. Maria Hey also has a passion for photography, as you will quickly notice just by stepping into Deerfield Animal Hospital's doors. In addition to her positions as Practice Manager and Mom, she runs a small part-time photography business, Maria Hey Photography. The Hey family has a number of pets including three cats (Angel, C.C. and KiKi) and three dogs (Scooby, Woody and Cliena). You can meet C.C. or Kiki when you visit Deerfield; they are our infamous "greeters".
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    Alana M. Landrum

    Office Manager
    Alana was born and raised in McAllen, Texas where upon graduating from Memorial High School moved to San Antonio to attend the University of Texas. She graduated with a bachelors degree in Business Management. Her interests include horse show jumping and spending time with her family and friends. She has two beautiful daughters, Jenna and Kendyll. She has a pembroke welsh corgi named Kayli, a terrier named Baby Girl, a boxer named Cheswick, and a long-haired tabby named Sadie.
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    Leah Mackrell

    Administrative Assistant
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    Tiffany

    Technician
    Tiffany is 24 years old and has lived in San Antonio her entire life. She has 2 cats named Marc Anthony and Cleopatra. When she is not studying or working, she enjoys cooking, arts and crafts, and going to the beach as often as possible. Her goals are to be a Veterinary Technician and even maybe a Veterinarian one day.
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    Chelsea

    Technician
    Chelsea comes to us all the way from Lodi, California. She's currently attending UTSA for her Bachelors in Biology, and then aspires to attend vet school. Her interests include running, reading and eating. She has two dogs; a 13 year old golden retriever named Chase and a rescued cocker spaniel named Lady.
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    Amanda

    Licensed Vet Technician
    Amanda was born and raised in San Antonio, Texas. She received her veterinary technician license from Palo Alto College and her bachelors in management from the University of Phoenix. Her interests include scrapbooking and jewelry making. She has two chow mixes named Casey and Shadow, a DSH named Pilgrim, and a Siamese Mix named Mr. Nibbles. Amanda also now has a very hyper Boxer named Phoenix. She got married on October 7, 2006. She has been a part of the Deerfield family since 2004.
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    Erin

    Technician
    Erin grew up in San Antonio. She enjoys jogging, horse racing, shopping, and being with her family.  She has 2 dogs named Georgia and Bailey and 2 cats named Biggie and Jack.  She got married in August of 2011 and has a beautiful daughter named Kyndal.
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    Mandy

    Technician

    Mandy was born in Rome, GA and raised in San Diego, California.  She moved to San Antonio after graduating High School in 2006.  She started working in veterinary medicine in 2009 and quickly moved to emergency medicine until October of 2014 when she was given a great opportunity to work at Deerfield Animal Hospital.  She enjoys cooking, reading and the beach:)  She has 4 fur babies, a dog named Milk Bone, 2 cats named Mickey Mouse and Madd Hatter, and a hedgehog named Jax.                 

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    Lisa

    Head Receptionist
    Lisa was born and raised in San Antonio, Texas.She enjoys baking and scrapbooking. She has a Chihuahua named Jersey and three cats named Tieken, Cayu and Kasper. Lisa had a baby girl named Jordyn on June 28, 2011. Her new collection consists of many Winnie the Pooh items, especially Eeyore, for the baby. Lisa has been with the Deerfield family since 2003.
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    Chelsey

    Receptionist
    Chelsey was born and raised in McAllen, Texas where she graduated from McAllen Memorial High School. Her interests include baking, listening to music, traveling, dancing, watching movies, and shopping. She has a 7 year old Pomeranian mix named Zeke, 2 year old mix named Zarina, and a cat named Rich Kitty. Chelsey and her husband have two beautiful boys, Cheston born 08/04/2012 and Cason born 05/03/2014. She is currently working on achieving her Bachelors Degree in Education. Chelsey has been with the Deerfield family since 2008 and loves working here, being a full-time student and most of all, she loves being a mommy!
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    David

    Technician
    David was born in Wittlich, Germany. he moved to San Antonio when he was about 4 years old. He graduated from James Madison High School in 2008. His interests include hiking, photography, skateboarding, music and art. He has two dogs named Maus and Peggy and two Sugar Gliders named Momo and Hyde.
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    Nicole

    Technician
    Nicole has worked at Deerfield since January 2014. She is currently in the veterinary technician program at Palo Alto College. She has 2 dogs, a very happy hyper lab mix named Olive that she took home from Deerfield one day, and a very large lazy lab mix name Hunter. She has land out in Hondo, TX that her fur babies love to go to run and play while Nicole helps her dad care for the cattle. She also has a very old cat named Jade who loves to snuggle!
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    Sydney

    Receptionist

    Sydney has lived in San Antonio her whole life until recently when she and her family moved to Bulverde, Texas.  Her family has 4 dogs, 3 cats and 4 horses.  She has been riding horses since she was 6 years old and competing for the past 13 years.  She graduated in Cum Laude in 2014 from Winston Churchill High School.  She has completed the pharmacy technician program at the University of the Incarnate Word and is currently studying to take her certification exam. She looks forward to bigger opportunities in the future in the medical field as a pharmacy technician.           

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    Daisy

    Kennel Staff
    I was born and raised in San Antonio, Texas where I graduated from Southwest High School. I have a lab mix named Cubby, who is full of energy. I have always been interested in a career working with animals and want to continue my education to better myself.
  • Alisha

    Receptionist

    Alisha was born in Dallas, Texas.  She spends time at UTSA studying psychology while balancing a life with her Australian Shepherd, Blaze.  She enjoys eating and working out and she loves her job!

    Years in Practice:
    Jan 28, 2016
  • Kandin

    Kennel Technician

    Kandin is from Paris, Texas.  She has four wonderful pets.  She has a pitbull named Jack, who she describes as her Prince Charming, two purrfect kitties named Whiskers and Loki, and last but not least, a prickly hedgehog by the name of Amy.  One day Kandin hopes to take all the great things she has learned from working at Deerfield Animal Hospital to becoming a Veterinarian herself.  Hopefeully, she will still have some time for her video games and books.

    Years in Practice:
    Feb 22, 2016