5
1 Rating
Summary
Dr. Susan Masonis is an internal medicine physician with 25 years of experience caring for adult patients. She earned her medical degree from Sidney Kimmel Medical College at Thomas Jefferson University, where she developed her foundation in comprehensive internal medicine care. Dr. Masonis speaks English and brings over two decades of expertise to her practice.
Dr. Masonis provides care at Swedish Medical Center First Hill Campus and maintains affiliations with Bryn Mawr Hospital, serving patients throughout Seattle, Washington. She specializes in managing complex conditions including heart rhythm disorders, diabetes, and gallbladder stones. Her comprehensive approach to internal medicine focuses on helping patients manage chronic conditions while maintaining their overall health and wellness. Patients consistently rate Dr. Masonis highly, giving her an average rating of 5.0 stars.
Dr. Masonis provides care at Swedish Medical Center First Hill Campus and maintains affiliations with Bryn Mawr Hospital, serving patients throughout Seattle, Washington. She specializes in managing complex conditions including heart rhythm disorders, diabetes, and gallbladder stones. Her comprehensive approach to internal medicine focuses on helping patients manage chronic conditions while maintaining their overall health and wellness. Patients consistently rate Dr. Masonis highly, giving her an average rating of 5.0 stars.
Overview based on verified provider data
Quick Facts
- 25 years of experience
- speaks English
- Sidney Kimmel Medical College At Thomas Jefferson University
- 1 specialty
- 6 areas of expertise
- 2 hospital affiliations
- 2 office locations
- Female
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Susan Lee Masonis has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Susan Lee Masonis, MD | Dr. Cora M. Ludwig, MD | Dr. Adama Diarra, DO | Dr. Adewumi Bakare DMSc, PA-C |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 25 Years of Experience | 18 Years of Experience | 14 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English, French, Bambara | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) |
| Seattle , WA | Clackamas , OR | Tigard , OR | Mesquite , TX |
| Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: University Of Washington School Of Medicine | Med School: Arizona College of Osteopathic Medicine | Med School: University of Lynchburg - DMSc |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Susan Lee Masonis
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Susan Lee Masonis has the following specialty
Specialty Expertise
Dr. Susan Lee Masonis has the following 6 areas of expertise
Certifications, License, & Education
25 Years Experience
Dr. Susan Lee Masonis holds expired and inactive medical licenses in the states of Washington and Pennsylvania.
Medical License
Medical Doctor with an expired medical license in the state of Washington that expired in 2026 and an inactive medical license in the state of Pennsylvania that expired in 2006.
Education & Training
Medical School
Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 2001.
NPI Number
Dr. Masonis' NPI number is 1124244207.
Similar doctors
Frequently Asked Questions
- What languages does Dr. Susan Masonis speak?
- Dr. Susan Masonis speaks English.
- Which hospitals is Dr. Susan Masonis affiliated with?
- Dr. Susan Masonis is affiliated with Swedish Medical Center First Hill Campus and Bryn Mawr Hospital.
- Does Dr. Susan Masonis accept virtual/telehealth appointments?
- Dr. Susan Masonis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Susan Masonis?
- You can find contact information for Dr. Susan Masonis here on Vitals.
- Does Dr. Susan Masonis accept my insurance?
- You can see the insurance plans that Dr. Susan Masonis accepts on their Vitals profile.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
