Sullivan Internal Medicine Group

Primary Care in Monticello, New York

Address:
32 Thompson Square Suite 5
Monticello, NY 12701

County: Sullivan County

Phone: (845) 794-1600

Alt. Phone: (845) 342-4774

This facility is closed today

About This Clinic

Sullivan Internal Medicine Group is a primary care center located at 32 Thompson Square Suite 5 Monticello, NY 12701 . This provider is open 6 days a week.

Sullivan Internal Medicine Group provides dedicated healthcare services to patients of all ages, emphasizing preventative care and chronic disease management. The practice features Board Certified physicians trained in Internal Medicine and Pediatrics, catering to a wide range of health needs from infancy to adulthood. They offer various services including acute care, well child visits, women's health, and treatment for chronic conditions such as asthma and hypertension. The facility accepts new patients and fosters strong relationships with local specialists to enhance overall patient care.

Hours of Operation

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Day Hours
Monday 8:00 am - 8:00 pm
Tuesday 8:00 am - 8:00 pm
Wednesday 8:00 am - 8:00 pm
Thursday 8:00 am - 8:00 pm
Friday 8:00 am - 8:00 pm
Saturday 9:00 am - 1:00 pm

Care Services

  • Acute care
  • Allergy and immunology
  • Asthma management
  • Bronchoscopy procedures
  • Chronic disease management
  • COVID-19 monoclonal antibodies
  • Diabetes management in children and teens
  • Gastroenterology
  • Hematology and oncology
  • Hereditary cancer screening
  • Hypertension management
  • Immunizations
  • Internal medicine
  • Liver disease
  • Occupational medicine
  • Ophthalmology and optometry
  • Pain management and rehabilitation
  • Pediatric endocrinology
  • Post COVID-19 recovery
  • Primary care
  • Pulmonary and sleep medicine
  • Pulmonary function testing.
  • Radiology and ultrasound
  • Treating ADHD with TMS
  • Treating anxiety with TMS
  • Treating depression with TMS
  • Treating PTSD with TMS
  • Well child visits
  • Women’s health services

Accepted Insurance Plans

Sullivan Internal Medicine Group — along with some of the providers practicing at this location — may currently accept health insurance plans from the companies listed below. Insurance participation may vary by physician, so we recommend verifying with the practice directly to confirm current coverage.

  • Medicare

Meet Your Care Team

Browse the table below to see each provider’s name and specialty, and click the info bubble beside any listing for a plain‑language look at what that specialty means.

Name Specialization
Gary C Garfield, DO Internal Medicine (Pulmonary Disease)
MRS. Cynthia Gilmour, FNP Nurse Practitioner (Family)
Lee Ann Hubbert, FNP Nurse Practitioner (Family)
Sheldon D. Leidner, MD Internal Medicine (Gastroenterology)
Christina Strong, LPN Licensed Practical Nurse
Jonathan R. Weiss, MD, FCCP Internal Medicine (Pulmonary Disease)

Map and Location

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