Fees & Payment

After our Veterinarian has evaluated your pet, an initial exam and consultation fee is assessed.
If further diagnostic and treatment options are needed, our staff can provide you with an itemized estimate of these services prior to proceeding with your pet’s care.

Exam Fee: $95  – 24 hours a day (no higher fees for after hours)
All fees must be paid in full prior to your pets discharge.

To download the New Patient Form, please click here.

For your convenience, ANIMAL EMERGENCY HOSPITAL of MANSFIELD accepts Visa, Mastercard, Discover, AMEX, CareCredit, and checks with proper identification.



  • If your pet is seen on an out-patient basis, payment is required at the time services are provided.
  • If your pet is admitted to the hospital, you will be required to leave a deposit in the amount of the written estimate provided. Payment in full is due when your pet is discharged from the hospital. Should your pet’s stay extend beyond that anticipated in the original estimate, you may be asked to leave an additional deposit.


Emergency & Critical Care

AEHM’s ICU is staffed with emergency veterinarians and technicians 24 hours a day, 7 days a week including holidays. All emergency clinicians are well versed in emergency procedures and surgery. We are able to perform emergency procedures and surgeries at any time of the day or night. Typical critical care cases include diabetic ketoacidosis, kidney failure, heart failure, toxin ingestion, trauma, snake bites, etc.





We offer a full range of emergency services including:

  • in-house bloodwork
  • digital X-ray
  • anesthesia
  • surgery
  • oxygen support
  • ultrasound and endoscopy
  • blood and plasma transfusion capabilities


Digital Radiology & Ultrasound

AEHM Ultrasound
AEHM houses a state-of-the-art ultrasound. We offer on-site abdominal ultrasonography and basic echocardiography for emergency cases, as well as for referrals from local veterinarians.







At AEHM, endoscopy is offered as a minimally-invasive technique for removal of esophageal and gastric foreign bodies when indicated. We are also able to endoscopically perform upper/lower GI biopsies when necessary.





In-House Laboratory

We have the capability to process CBCs (complete blood counts,) blood chemistries and blood clotting analyses in-house. We have SNAP tests for Heartworms/Lyme Disease/Anaplasmosis/Ehrlichia, Parvovirus, Giardia, FIV/FeLV (Feline AIDS/Feline Leukemia,) and Pancreatitis (cPL and fPL.) We can test for ethylene glycol (antifreeze) and perform fecal flotations as well as urinalyses.

Our pharmacy is stocked with a wide range of the most current antibiotics, heart medications, pain medications, and more.




Orthopedic and Specialty Surgery

Dr. Timothy Lammers, DVM, DACVS-LA

Dr. Lammers performs various orthopedic surgeries including fracture repairs, cranial cruciate ligament repairs (TTA, TPLO), patellar luxation correction, femoral head and neck osectomy (FHO), limb amputation, bone biopsy, and hip luxation correction with toggle pin. He also performs various soft-tissue surgeries such as anal sacculectomy, hernia repair (scrotal, perineal, inguinal), salivary mucocele excision, and total ear canal ablation with bulla osteotomy. He may be available for additional procedures that are not listed – please call our hospital for more information.

Dr. Lammers

Who is Dr. Lammers?

Dr. Lammers attended veterinary school at Washington State University in Pullman, WA . He graduated in 2000 with a Doctor of Veterinary Medicine degree and moved to Texas. His aspiration after veterinary school was to become a board certified veterinary surgeon. He was accepted into the Texas A&M Large Animal Rotating Internship. Upon completion, he was selected for the Texas A&M Equine Surgery Residency. After completing the stringent requirements, Dr. Lammers was board certified by the American College of Veterinary Surgeons in Large Animal Surgery in 2005. He was in private equine referral practice for 6 years where he performed numerous orthopedic and soft tissue surgeries in the horse. He then branched out into small animal surgery and is currently pursuing dual certification from the American College of Veterinary Surgeons in Small Animal Surgery. During this time he has taken specialized courses and studied with leading small animal surgeons to learn the intricacies of small animal surgery. He has a passion for surgery in horses as well as small animals.

Orthopedics is the area of surgery he most interested in, but enjoys all aspects of surgery. Surgery of the canine knee and internal fixation of fractures are among his favorite surgical procedures.


Dr. Lammers is available for Orthopedic and Specialty surgeries on Wednesdays at AEHM as his schedule allows.
Please contact us with any questions or to schedule an appointment.

Phone: 817-473-7838

Fax: 817-473-2738

Please note that Dr. Lammers will only be performing surgery on dogs and cats at AEHM. If you are interested in equine surgery, please contact:
Peak Performance Equine Hospital


Allergy & Dermatology for Equine and Small Animals,PLLC

The ADESA is a mobile specialty service offered by a Board Certified Veterinary Dermatologist, Dr. Christine Rees.

Who is Dr. Rees?Dr Rees

Dr. Rees is a Board Certified Veterinary Dermatologist who received her DVM degree from Iowa State in 1988. She did her residency in dermatology at the University of Pennsylvania. In 1995, Dr. Rees joined the faculty at Texas A&M University (TAMU) and became tenured. While at TAMU, Dr. Rees received an award from the Veterinary Medical Teaching Hospital for Excellence in Clinical Service and a United States Patent for her involvement in the merle coat gene. Dr. Rees is nationally and internationally known. She has published numerous journals articles and book chapters dealing with equine and small animal allergy and dermatology. Dr. Rees has clinical interests in canine familial dermatomyositis, allergies, otitis, bacterial and fungal skin infections, endocrinopathies, new drug therapies in veterinary medicine and equine dermatology. Her main concern is for your pet’s well being, comfort and quality of life.

For more information go to

Dr. Rees provides her services at Animal Emergency Hospital of Mansfield one to two Fridays a month. Please call to ask about her availability!

Phone: 214-429-7205

Fax: 972-548-1798

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