

Dr. Mathias Masem, MD
Dr. Mathias Masem, MD is an orthopedic surgeon in San Francisco, CA and has over 45 years of experience in the medical field. He graduated from UNIVERSITY OF MINNESOTA / TWIN CITIES CAMPUS in 1975. He is affiliated with medical facilities such as Alta Bates Summit Medical Center-Alta Bates Campus and UCSF Helen Diller Medical Center at Parnassus Heights. He is accepting new patients and telehealth appointments.
Hand, Elbow & Upper Extremity Surgery Center
1500 Owens St San Francisco, CA 94158Make an Appointment
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Dr. Masem's Reviews
Likelihood to recommend Dr. Masem
3.2
5 Star | 46% | 46% |
4 Star | 8% | 8% |
3 Star | 0% | 0% |
2 Star | 15% | 15% |
1 Star | 31% | 31% |
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How was your experience with Dr. Masem?Overall Patient Satisfaction
Likelihood of recommending Dr. Masem to family and friends is 3.2307692 out of 5
About Me
care philosophy
Dr Mathias Masem is an orthopedic surgeon with more than 20 years of experience in surgeries of the hand and upper extremities. Masem earned his medical degree at the University of Minnesota. He completed general surgery training and a residency...read morebiography
Dr. Mathias Masem is an orthopedic surgeon with more than 20 years of experience in surgeries of the hand and upper extremities.Masem earned his medical degree at the University of Minnesota. He completed general surgery training and a residency...read moreOrthopedic Surgery
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University Of Minnesota / Twin Cities Campus
Medical School, 1975
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Learn more about medical license public record checkCalifornia Orthopaedic Association, Member
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Locations
Hand, Elbow & Upper Extremity Surgery Center
Affiliated Hospitals
- Recipient of 33
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsOutstanding Patient Experience Award™ (2024, 2023, 2022)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home4% higher than the national average
81%Patients said that doctors always listened to them and explained things well5% higher than the national average
- Recipient of 3
hospital awardsJoint Replacement Excellence Award™ (2024, 2023)
Superior clinical outcomes in knee and hip replacement
View all awardsOutstanding Patient Experience Award™ (2022)
Superior clinical outcomes in knee and hip replacement
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
76%Patients said that doctors always listened to them and explained things well - Recipient of 25
hospital awardsAmerica’s 100 Best Hospitals for Joint Replacement Award™ (2025, 2024)
Superior clinical outcomes in knee and hip replacement
View all awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Superior clinical outcomes in knee and hip replacement
View all patient feedbackHow patients felt about the care they received at this hospital.
81%Patients said they were given information about recovering at home3% lower than the national average
72%Patients said that doctors always listened to them and explained things well4% lower than the national average
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