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Summary
Dr. Katherine Olshan specializes in gastroenterology and pediatrics, bringing dual expertise to treating digestive health conditions in both children and adults. She earned her medical degree from the Medical College of Wisconsin and has practiced medicine for 11 years. Dr. Olshan is fluent in English and Spanish.
She maintains affiliations with several prestigious hospitals including Massachusetts General Hospital, Brigham and Women's Hospital, and Newton Wellesley Hospital, with practice locations spanning Massachusetts and New Hampshire. Dr. Olshan focuses on treating acid reflux and GERD in both pediatric and adult patients. Her services include virtual care consultations, complete blood count testing, and specialized antibody tests for celiac disease diagnosis.
She maintains affiliations with several prestigious hospitals including Massachusetts General Hospital, Brigham and Women's Hospital, and Newton Wellesley Hospital, with practice locations spanning Massachusetts and New Hampshire. Dr. Olshan focuses on treating acid reflux and GERD in both pediatric and adult patients. Her services include virtual care consultations, complete blood count testing, and specialized antibody tests for celiac disease diagnosis.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 11 years of experience
- speaks English, Spanish
- Medical College Of Wisconsin
- 2 specialties
- 6 areas of expertise
- 11 hospital affiliations
- 9 office locations
- Female
Office Locations
Dr. Katherine Laura Olshan has 9 locationsMassachusetts General Hospital Primary Care Boston
175 Cambridge St Ste 450Boston, MA 02114 Tel: (617) 726-1980
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Mass General For Children
789 Central AveDover, NH 03820 Tel: (603) 740-2366
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Mass General Waltham Pediatric Gastroenterology And Nutrition
52 2nd Ave Ste 340Waltham, MA 02451Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  | |  |
| Dr. Katherine Laura Olshan, MD | Chimdi Mfebe, APRN | Danielle R Lambert | Dr. Serguei Roumiantsev, MD |
| Gastroenterology | Gastroenterology | Nurse Practitioner | Neonatology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 11 Years of Experience | 32 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English, Spanish | |
| Dover , NH | Little Rock , AR | Hampton , NH | Boston , MA |
| Med School: Medical College Of Wisconsin | Med School: Chamberlain University College of Nursing | Med School: RUSSIAN STATE MEDICAL UNIVERSITY | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Katherine Laura Olshan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Katherine Laura Olshan has the following 2 specialties
Specialty Expertise
Dr. Katherine Laura Olshan has the following 6 areas of expertise
Certifications, License, & Education
11 Years Experience
Dr. Katherine Laura Olshan holds expired and active medical licenses in the states of Massachusetts and New Hampshire.
Medical License
Medical Doctor with an expired medical license in the state of Massachusetts that expired in 2025 and an active medical license in the state of New Hampshire that expires in 2027.
Education & Training
Medical School
Graduated from Medical College Of Wisconsin in 2015.
NPI Number
Dr. Olshan's NPI number is 1932596855.
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Frequently Asked Questions
- Is Dr. Katherine Olshan accepting new patients?
- Dr. Katherine Olshan is accepting new patients on Vitals. View Dr. Katherine Olshan's profile on Vitals to make an appointment.
- Where is Dr. Katherine Olshan's office located?
- Dr. Katherine Olshan's office is located at 789 Central Ave, Dover, NH, 03820.
- How can I make an appointment with Dr. Katherine Olshan?
- You can find contact information for Dr. Katherine Olshan here on Vitals.
- What languages does Dr. Katherine Olshan speak?
- Dr. Katherine Olshan speaks English and Spanish.
- Does Dr. Katherine Olshan accept my insurance?
- You can see the insurance plans that Dr. Katherine Olshan accepts on their Vitals profile.
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