Dr. Mathias Masem
- Gender: Male
- Experience: 46 years
- Graduated from: University Of Minnesota Medical School
- Graduation year: 1975
- Sole propriator: Yes
- NPI: 1508810938
Dr. Mathias Masem M.D.
Hand Surgeon
He is located at 80 Grand Avenue Suite 600 in Oakland, CA 94612. Can help patients with the following: ACL Tear, Compartment Syndrome, Frostbite, Iliotibial Band Syndrome (ITBS), Sprained Ankle, Wrist Surgery. His National Provider Identifier (NPI) number is 1508810938. Appointment can be made via the phone number (510) 763-0884. He also has a website where you can get more information. The website can be found at https://www.ucsfhealth.org/providers/dr-mathias-masem. He is affiliated with 3 practices and 4 hospitals.
Conditions treated
Dr. Mathias A. Masem, being an hand surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mathias Masem.
- ACL Tear
- Achilles Tendon Rupture
- Arthritis
- Avascular Necrosis
- Back Pain
- Baker's Cyst
- Bone Spurs
- Broken Bone
- Bunions
- Bursitis
- Carpal Tunnel Syndrome
- Cauda Equina Syndrome
- Cervical Radiculopathy
- Compartment Syndrome
- Cubital Tunnel Syndrome
- Degenerative Disc Disease (DDD)
- Dislocated Ankle
- Dislocated Shoulder
- Dupuytren Contracture
- Elbow Pain
- Frostbite
- Ganglion
- Hammer Toe
- Herniated Disc
- Hip Replacement
- Iliotibial Band Syndrome (ITBS)
- Impingement Syndrome
- Ingrown Toenail
- Joint Fluid Extraction
- Knee Pain
- Knee Replacement
- Kyphoplasty
- Kyphosis
- Low Back Pain
- Lumbar Spinal Stenosis
- Meniscus Tear
- Metatarsal Surgery
- Morton's Neuroma
- Osgood-Schlatter Disease
- Osteoarthritis (OA)
- Osteomyelitis
- Patellofemoral Pain Syndrome (PFS)
- Plantar Fasciitis
- Repetitive Motion Disorders (RMDs)
- Rheumatoid Arthritis (RA)
- Rotator Cuff Tear
- Sciatica
- Scoliosis
- Separated Shoulder
- Spinal Stenosis
- Spondylolisthesis
- Spondylolysis
- Spondylosis
- Sprained Ankle
- Sprained Wrist
- Stress Fracture
- Tennis Elbow
- Tremor
- Trigger Finger
- Whiplash
- Wrist Surgery
Procedures Performed by Dr. Mathias Masem
Medicare Enrollment
Dr. Mathias Masem is enrolled to bill Medicare as a Practitioner - Orthopedic Surgery .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- OAKLAND, CA, 94612-3744
Bills through: University Of California San Francisco
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| TriMed | $1330 |
| Halyard Health | $113 |
| Smith \u0026 Nephew | $104 |
Other
| Food and Beverage | $1253 |
| Travel and Lodging | $586 |
Studies
UNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated in 1975Other ways to reach out
- Website: https://www.ucsfhealth.org/providers/dr-mathias-masem
Additional Specialities
- Orthopedic Surgeon
Affiliated practices
Affiliated hospitals
Looking for more Hand Surgeons?
Here are hand surgeons in California you may want to explore.
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- Address: 420 West Rowland Street Covina, 91723, CA
- Gender: Female
- Address: 4605 Brockton Avenue Suite 200 Riverside, 92506, CA
- Gender: Male
- Address: Suite 201 609 East Orangeburg Avenue Modesto, 95350, CA
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- Address: Suite 403 2222 Santa Monica Boulevard Santa Monica, 90404, CA
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- Address: 101 The City Drive South Uci Medical Center Orange, 92868, CA
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- Address: 4101 Randolph Street San Diego, 92103, CA
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- Address: Suite #300 5170 Sepulveda Boulevard Sherman Oaks, 91403, CA
- Gender: Male
- Address: Suite 200 1955 Citracado Parkway Escondido, 92029, CA
Questions & Answers
Has Dr. Mathias A. Masem affiliation with hospitals?
Dr. Mathias A. Masem is affiliated with UCSF MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. Mathias A. Masem have affiliation with practices?
Dr. Mathias A. Masem is affiliated with John Muir Health - Walnut Creek Campus. For the full list of practices see this list.
What conditions does Dr. Mathias A. Masem treat?
Dr. Mathias A. Masem provides treatment for ACL Tear, Compartment Syndrome, Frostbite, Iliotibial Band Syndrome (ITBS), Sprained Ankle, Wrist Surgery. For the full list see this list.
Where can you meet with Dr. Mathias A. Masem?
Dr. Mathias A. Masem's office is located at 80 Grand Avenue Suite 600 in Oakland, CA 94612.