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Summary
Dr. Jennifer Koestler is an internal medicine and pediatrics physician who earned her medical degree from Albany Medical College. She completed her residency training at Mount Sinai Medical Center and has been practicing medicine for over three decades. Dr. Koestler is fluent in both English and Spanish, allowing her to serve a diverse patient community.
Dr. Koestler is affiliated with Westchester Medical Center and Maria Fareri Children's Hospital, practicing in Hawthorne, New York. Her dual specialty training in internal medicine and pediatrics enables her to provide comprehensive care for patients from adolescence through adulthood. This unique combination allows families to receive coordinated care as children transition into their adult years under her continued guidance.
Dr. Koestler is affiliated with Westchester Medical Center and Maria Fareri Children's Hospital, practicing in Hawthorne, New York. Her dual specialty training in internal medicine and pediatrics enables her to provide comprehensive care for patients from adolescence through adulthood. This unique combination allows families to receive coordinated care as children transition into their adult years under her continued guidance.
Overview based on verified provider data
Quick Facts
- 31 years of experience
- speaks English, Spanish
- Mount Sinai Medical Center
- 2 specialties
- 6 areas of expertise
- 2 hospital affiliations
- 1 office location
- Female
Office Location
Bchp Saw Mill Specialty Office
40 Saw Mill River RdHawthorne, NY 10532Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 7:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
Sat10:00 am - 1:00 pm
Sun10:00 am - 1:00 pm
Compare with Similar Doctors
 |  |  |  |
| Dr. Jennifer Lyn Koestler, MD | Dr. Peter George Hasapis, MD | Dr. Eric Yoon, MD | Dr. Jenny Liu, MD, MS, LD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 31 Years of Experience | 29 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Russian, Spanish | Speaks English | Speaks Chinese, English, Spanish |
| Hawthorne , NY | New Canaan , CT | New York , NY | Warren , NJ |
| Med School: Albany Medical College | Med School: Cornell University Medical College | Med School: State University of New York | Med School: Guangdong Pharmaceutical University |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Jennifer Lyn Koestler
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Jennifer Lyn Koestler has the following 2 specialties
Specialty Expertise
Dr. Jennifer Lyn Koestler has the following 6 areas of expertise
Certifications, License, & Education
31 Years Experience
Dr. Jennifer Lyn Koestler holds an expired medical license in the state of New York.
Medical License
Medical Doctor with an expired medical license in the state of New York that expired in 2026.
Education & Training
Residency
Completed their residency at Mount Sinai Medical Center.
Medical School
Graduated from Albany Medical College in 1996 and ALBANY MEDICAL COLLEGE in 1995.
NPI Number
Dr. Koestler's NPI number is 1699785170.
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Frequently Asked Questions
- What languages does Dr. Jennifer Koestler speak?
- Dr. Jennifer Koestler speaks English and Spanish.
- Where is Dr. Jennifer Koestler's office located?
- Dr. Jennifer Koestler's office is located at 40 Saw Mill River Rd, Hawthorne, NY, 10532.
- Does Dr. Jennifer Koestler accept my insurance?
- You can see the insurance plans that Dr. Jennifer Koestler accepts on their Vitals profile.
- Which hospitals is Dr. Jennifer Koestler affiliated with?
- Dr. Jennifer Koestler is affiliated with Westchester Medical Center and Maria Fareri Childrens Hospital.
- Does Dr. Jennifer Koestler accept virtual/telehealth appointments?
- Dr. Jennifer Koestler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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