Mathias A. Masem
Expertise in
9
conditions
Expertise in
9
conditions
1500 Owens St., 
San Francisco, CA 

Overview

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 in orthopedic surgery at UCSF, then completed a hand surgery fellowship under esteemed hand surgeon Dr. Jack Tupper in Oakland. He spent the following two years as an orthopedic research physician in Switzerland at the University of Bern and the Laboratory for Experimental Surgery. He furthered his training in hand and upper extremity surgery and microsurgery as a clinical and research fellow at Massachusetts General Hospital and Harvard Medical School. In addition to his work at UCSF, Masem has a private practice in Oakland and is chief of hand surgery at Alta Bates Summit Medical Center. He also is a consultant on hand and upper extremity injuries for the University of California, Berkeley athletic teams. Masem has authored numerous articles and given many lectures on upper extremity orthopedic surgery.

Dr. Masem is highly rated in 9 conditions, according to our data. His clinical expertise encompasses Carpal Tunnel Syndrome, Synovitis, Rhizarthrosis, and Dupuytren Contracture.

Dr. Masem is board certified in American Board Of Orthopaedic Surgery., Hand Surgery and American Board Of Orthopaedic Surgery., Orthopaedic Surgery. Dr. Masem is currently accepting new patients.

Graduate Institution

University Of Minnesota, MD

Specialties

Orthopedics
Hand Surgery

Licenses

Orthopaedic Surgery in CA

Board Certifications

American Board Of Orthopaedic Surgery., Hand Surgery
American Board Of Orthopaedic Surgery., Orthopaedic Surgery

Fellowships

UCSF Medical Center GME/RESEARCH, Orthopaedic Surgery

Hospital Affiliations

Alta Bates Summit Medical Center
Ucsf Medical Center
Alta Bates Summit Medical Center - Alta Bates Camp

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Alignment Health Plan
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
SCAN Health Plan
  • INSURANCE PLAN
  • MEDICARE MAPD
Sutter Health
  • HMO
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 12 Less Insurance Carriers -

Locations

Hand, Elbow and Peripheral Nerve Surgery
1500 Owens St., San Francisco, CA 94158

Additional Areas of Focus

Dr. Masem has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Ganglion Cyst
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Frequently Asked Questions about Dr. Mathias A. Masem

How do I make an appointment with Dr. Mathias A. Masem?

You can book an appointment with Dr. Mathias A. Masem by calling their office at 415-353-2808. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Mathias A. Masem a top-rated expert for Carpal Tunnel Syndrome?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mathias A. Masem is classified as an Advanced expert for Carpal Tunnel Syndrome, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Mathias A. Masem specialize in?

While Dr. Mathias A. Masem is a Orthopedics, they have specific expertise in Carpal Tunnel Syndrome, Synovitis, and Rhizarthrosis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Orthopedics.

Does Dr. Mathias A. Masem accept my insurance?

Dr. Mathias A. Masem accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 415-353-2808 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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