Animal Hospital of Nesconset Dr. Mary Leister

Smithtown, NY

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At a glance

Facility type
Veterinary Practice
Practice tier
General
Clinic type
Standalone
Operating status
Operational
Appointment model
Both
24/7 care
No
Accepting new patients
Unknown

Species treated

Small Animal Companion

Services

General Practice Wellness Vaccination Surgery Dentistry End Of Life

Amenities & accessibility

Appointments
Appointment requiredAppointments recommended
Amenities
Restroom
Accessibility
Wheelchair accessible entranceWheelchair accessible parking lotWheelchair accessible restroom

Overview

Animal Hospital of Nesconset is a veterinary practice in Smithtown, NY, serving cats and dogs. It offers general practice, wellness and preventive care, vaccinations, surgery, dental care, and end-of-life services. The clinic sees patients by appointment or walk-in and is open on weekends

Services in detail

General practiceWellness & preventive careVaccinationsSurgeryDentistryEnd-of-life care

Frequently asked

What services does Animal Hospital of Nesconset Dr. Mary Leister offer?+

Animal Hospital of Nesconset Dr. Mary Leister offers General Practice, Wellness, Vaccination, Surgery, Dentistry, End Of Life.

What reviewers say

88% Positive sentiment
based on 149 reviews

The veterinary practice is widely recognized for providing exceptionally compassionate, thorough, and affordable care to pets and their families. The facility is clean and recently renovated, creating a welcoming and comfortable atmosphere for animals. The veterinary team is knowledgeable, patient, and highly skilled at handling anxious pets, while also offering thoughtful guidance during end-of-life care. Although scheduling new patient appointments can sometimes be challenging due to high demand, the staff is generally regarded as warm, personable, and deeply dedicated to animal well-being.

Frequently praised for

Compassionate StaffKnowledgeable VetsThorough ExplanationsFair PricingClean FacilityGood With Anxious Pets

Aggregated from reviewer feedback across multiple sources.

Practice Intel

Inside the full profile

  • Ownership & corporate structure
  • Team & DVM count
  • Hiring & expansion signals
  • Key contacts — owner & medical director
  • Practice history — ownership, pricing & quality shifts
  • Capability signals — gaps & confirmed services
  • Review intelligence — sentiment, pricing & named staff

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Data as of July 2026. VetPulse aggregates public-record and licensing data; it does not represent the practice directly.