As part of our response to the Covid-19 pandemic, we will be shifting staff around to meet the needs of our patients; this will result in a temporary change of hours at many of our locations. In the event, you are seeking medical care at a location, and it is closed, please call (845) 342-4774 because other offices close to you may be open or a telemedicine visit may be available to you from your car.
Effective Monday, March 30th, we will be changing the hours to:
Monday -Friday: 8am – 6pm
Saturday: 9am – 1pm
SPECIALTIES — monticello, ny
LOCATIONS IN MONTICELLO — sullivan county, ny
Catskill Adult & Pediatric Medicine
(845) 791-6400
Mon – Fri: 8:00am – 6:00pm
Saturday: 9:00am – 1:00pm
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
Sullivan Internal Medicine Group
(845) 794-1600
Mon – Fri: 8:00am – 6:00pm
Saturday: 9:00am – 1:00pm
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
Urgent Care
(845) 794-1600
Mon – Fri: 8:00am – 6:00pm
Saturday: 9:00am – 1:00pm
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
RADIOLOGY — hours
MONTICELLO
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
Xray
Walk-ins Welcomed!
Monday – Friday: 8:00am – 8:00pm
Saturday: 9:00am – 1:00pm
Ultrasound
Echo / Vascular
Monday, Thursday: 8:30am - 6:00pm
General / Vascular
Thursday: 9:00am - 6:00pm
MRI
Tuesday: 8:30am - 5:00pm
SERVICES — monticello, ny
Monticello
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
(845) 794-1600
Services Offered
- Urgent Care
- Worry-Free Pricing
- Walk-in X-Ray

Urgent Care
Adult & Pediatric Medicine
Catskill Adult & Pediatric Medicine
(845) 791-6400
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
Patient Portal
READ MORE
A Medical Practice with a Commitment to Excellence
Our physician is Board Certified in both Internal Medicine and Pediatrics (“Med/Peds”), providing care to patients from birth through adult years.
About Us
Catskill Adult & Pediatric Medicine (CAPM) is headed by Dr. Jeffrey Weinstein, a physician who is trained and Board Certified in Internal Medicine and Pediatrics. He provides care to all stages of life including infancy, childhood, adolescence, and adulthood. CAPM has a strong commitment to preventative and routine healthcare and believes that the best treatment of a disease is preventing it in the first place. Dr. Weinstein has been practicing in Sullivan County for serveral years, both in private practice and at Catskill Regional Medical Center, and he is familiar with the needs of the community. CAPM has established themselves as caring, dedicated, and well-qualified and have built strong relationships with the specialists in the area.


Internal Medicine, Primary Care and Women’s Health
Sullivan Internal Medicine Group
(845) 794-1600
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
READ MORE

DR. GARY C. GARFIELD, F.C.C.P.
Internal Medicine & Pulmonary Medicine
Sullivan County


JONATHAN WEISS, M.D., F.C.C.P.
Internal Medicine and Pulmonary and Sleep Medicine
Sullivan County
Cardiology
Sullivan Internal Medicine Group
(845) 794-1600
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701

Headache Medicine
Sullivan Internal Medicine Group
(845) 794-1600
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
“I look forward to helping those with chronic, severe headaches and migraines find relief. I approach every patient individually and tailor a specific plan to help alleviate their pain.” > Dr. Napchan.

Orthopedics
Sullivan Internal Medicine Group
(845) 794-1600
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701

Kaitlyn Simpson , DO
Primary Care
Dr. Kaitlyn Simpson is a dedicated and patient-focused Primary Care physician. She is Board-certified by the American Osteopathic Board of Family Physicians in Family Medicine and pending Osteopathic Manipulative Medicine certification.
Prior to joining Middletown Medical, PC, Dr. Simpson served patients with Garnet Health Medical Center located in Middletown, N.Y., where she completed her residency in Family Medicine. During her residency she held multiple leadership positions including chief resident, resident body vice president, and member of the graduate medical education committee.
Dr. Simpson earned her Doctor of Osteopathic Medicine at Touro College of Osteopathic Medicine in Middletown, N.Y. She completed her Bachelor of Arts in Biological Sciences at Binghamton University in Binghamton, N.Y.
Dr. Simpson received additional training in Integrative Medicine and Medication Assisted Treatment for opioid use disorder.
Dr. Simpson is dedicated to medical education of both future physicians and members of our community. She is an Adjunct Clinical Instructor for Family Medicine at Touro College of Osteopathic Medicine and is involved with the Garnet Health Medical Center Family Medicine Residency Program. She has also participated in community health screenings, COVID-19 vaccination clinics, awareness campaigns, and elementary health education events.
Dr. Simpson provides full spectrum Primary Care services including adult and pediatric well and sick visits, women’s annual health visits, and Osteopathic Manipulative Treatment.
She is currently accepting new patients.
Pulmonary Medicine
Sullivan Internal Medicine Group
(845) 794-1600
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701

DR. GARY C. GARFIELD, F.C.C.P.
Internal Medicine & Pulmonary Medicine
Sullivan County

JONATHAN WEISS, M.D., F.C.C.P.
Internal Medicine and Pulmonary and Sleep Medicine
Sullivan County
Endocrinology
Sullivan Internal Medicine Group
(845) 794-1600
4058 State Route 42, Suite 5
(Thompson Square Mall)
Monticello, NY 12701
