Internal Medicine – Frederick


Chronic illnesses are often stressful to the patient as well as the pet owners.  At Partner Veterinary Emergency and Specialty Center in Frederick, the internal medicine team is  highly skilled and dedicated to delivering exceptional healthcare to the pet residents of Frederick and the surrounding communities.

Our internal medicine practice offers a wide range of diagnostic and therapeutic services to address various medical needs. Currently, the clinic provides state-of-the-art abdominal and thoracic ultrasounds, upper and lower endoscopy, rhinoscopy, bronchoscopy and cystoscopy. These diagnostic procedures enable precise evaluation and early detection of a variety of medical conditions, ensuring the highest level of patient care.

Drs. Kakar, Lester, and their dedicated team prioritize patient well-being and comfort. We take pride in our patient-centric approach, ensuring that each individual’s unique healthcare needs are met with compassion and expertise.

For any inquiries, appointment scheduling, or further information, please do not hesitate to reach out to us. We are eager to collaborate with your esteemed clinic/hospital and look forward to contributing to the health and well-being of our community.

Thank you for considering our services. We are excited about the opportunity to work together.


  • Diagnostic ultrasound 
  • Cholecystocentesis 
  • Sampling cavitary effusions 
  • SUB flush procedures 
  • Ultrasound guided fine needle aspirate 

Diagnostic endoscopy 

  • Bronchoscopy and bronchoalveolar lavage 
  • Colonoscopy 
  • Cystoscopy
  • Rhinoscopy and nasopharyngoscopy 
  • Upper GI endoscopy 

Interventional endoscopy 

  • Colonic stricture 
  • Esophageal stricture 
  • Nasopharyngeal stent 
  • Urethral stents 
  • Arthrocentesis (joint aspirates) 
  • Bone marrow aspirate and biopsy 
  • Fluoroscopy


For Veterinarians
Headshot of Dr. Nikita Kakar, DVM, DACVIM
Nikita Kakar, DVM, DACVIM

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Mary Lester, DVM, DACVIM

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