3
1 Rating
Summary
Dr. Katherine Seibert is an internal medicine physician with additional expertise in oncology. She earned her medical degree from Creighton University School of Medicine and has practiced for five decades, bringing extensive experience to patient care. Dr. Seibert provides medical services in both English and Spanish.
Dr. Seibert practices at Garnet Health Medical Center Catskills Harris with locations in Haverstraw and Peekskill, New York. She focuses on managing high cholesterol in children and teens, treating hyperlipidemia, and addressing obesity and weight management concerns. Her practice includes performing complete blood count tests, A1c testing for diabetes monitoring, and home blood glucose assessments. Patients have given her an average rating of 3.0 on Vitals.
Dr. Seibert practices at Garnet Health Medical Center Catskills Harris with locations in Haverstraw and Peekskill, New York. She focuses on managing high cholesterol in children and teens, treating hyperlipidemia, and addressing obesity and weight management concerns. Her practice includes performing complete blood count tests, A1c testing for diabetes monitoring, and home blood glucose assessments. Patients have given her an average rating of 3.0 on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 50 years of experience
- speaks English, Spanish
- Creighton University School Of Medicine
- 2 specialties
- 8 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 2 office locations
- Female
Office Locations
Dr. Katherine Seibert has 2 locationsHaverstraw Health Center
31 W Broad St Fl 3Haverstraw, NY 10927Mon9:00 am - 5:00 pm
Tue8:30 am - 7:00 pm
Wed9:00 am - 5:00 pm
Thu8:30 am - 7:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Sun River Health Jeannette J Phillips Urgent Care
1037 Main StPeekskill, NY 10566 Tel: (914) 402-7400
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat9:00 am - 5:00 pm
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Katherine Seibert, MD | Natalie Howard, MSN, DNP | Dr. Eric Yoon, MD | Dr. Lillian Indio, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 50 Years of Experience | 6 Years of Experience | 34 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English, Spanish |
| Haverstraw , NY | New York City , NY | New York , NY | Eastchester , NY |
| Med School: Creighton University School Of Medicine | Med School: State University of New York | Med School: Albert Einstein College Of Medicine Of Yeshiva University | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Katherine Seibert
Medical Specialties
Dr. Katherine Seibert has the following 2 specialties
Specialty Expertise
Dr. Katherine Seibert has the following 8 areas of expertise
Certifications, License, & Education
50 Years Experience
Dr. Katherine Seibert 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
Medical School
Graduated from Creighton University School Of Medicine in 1976.
NPI Number
Dr. Seibert's NPI number is 1982616991.
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Frequently Asked Questions
- Is Dr. Katherine Seibert accepting new patients?
- Dr. Katherine Seibert is accepting new patients on Vitals. View Dr. Katherine Seibert's profile on Vitals to make an appointment.
- Does Dr. Katherine Seibert accept my insurance?
- You can see the insurance plans that Dr. Katherine Seibert accepts on their Vitals profile.
- Which hospitals is Dr. Katherine Seibert affiliated with?
- Dr. Katherine Seibert is affiliated with Garnet Health Medical Center Catskills Harris.
- How can I make an appointment with Dr. Katherine Seibert?
- You can find contact information for Dr. Katherine Seibert here on Vitals.
- What languages does Dr. Katherine Seibert speak?
- Dr. Katherine Seibert speaks English and Spanish.
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