0 reviews
Summary
Dr. Margaret Mass practices family medicine in Seattle, Washington. She earned her medical degree from the University of Illinois at Chicago College of Medicine and has four years of experience. Patients see her for bacterial infections, chronic sinusitis, and upper respiratory infections.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 4 years of experience
- 5 insurance plans accepted
- speaks English
- University Of Illinois At Chicago College Of Medicine
- 1 specialty
- 1 area of expertise
- 1 office location
- Female
Office Location
Optum - Madison Center
904 7th AveSeattle, WA 98104 Tel: (206) 860-4413
Mon6:30 am - 7:00 pm
Tue6:30 am - 7:00 pm
Wed6:30 am - 7:00 pm
Thu6:30 am - 7:00 pm
Fri6:30 am - 6:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Margaret Mass, MD | Marissa Bowen, FNP | Nicole Baldwin, APRN, FNP-BC | Atul S. Vellappally, DNP, CRNP, FNP-BC |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 4 Years of Experience | 14 Years of Experience | 8 Years of Experience | 5 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | Speaks English |
| Seattle , WA | Phoenix , AZ | Orlando , FL | Philadelphia , PA |
| Med School: University Of Illinois At Chicago College Of Medicine | |||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Margaret Mass
Medical Specialties
Margaret Mass has the following specialty
Specialty Expertise
Margaret Mass has the following area of expertise
Certifications, License, & Education
4 Years Experience
Margaret Mass holds an active medical license in the state of Pennsylvania.
Medical License
Medical Doctor with an active medical license in the state of Pennsylvania.
Education & Training
Medical School
Graduated from University Of Illinois At Chicago College Of Medicine in 2022.
NPI Number
Margaret Mass' NPI number is 1083343107.
Similar doctors
Frequently Asked Questions
- Is Margaret Mass accepting new patients?
- Margaret Mass is accepting new patients on Vitals. View Margaret Mass's profile on Vitals to make an appointment.
- Does Margaret Mass accept my insurance?
- You can see the insurance plans that Margaret Mass accepts on their Vitals profile.
- Does Margaret Mass accept virtual/telehealth appointments?
- Margaret Mass 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 Margaret Mass?
- You can find contact information for Margaret Mass here on Vitals.
- Where is Margaret Mass's office located?
- Margaret Mass's office is located at 904 7th Ave, Seattle, WA, 98104.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
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.






