John Belzer, M.D.
Sports Medicine Orthopaedic Surgery
John Belzer is a Sports Medicine Orthopaedic Surgery specialist based in San Francisco, CA with over 38 years of clinical experience. Offers virtual telehealth visits.
John Belzer, M.D. has practiced orthopaedic surgery for 38+ years, working in group practice. A Yale University School of Medicine graduate since 1988, he brings 38+ years of experience. CMS Medicare data shows his patients commonly have arthritis, high cholesterol, and hypertension.
Older · 1925dNPPES updated 2021-02-16 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
3838 California St Suite 715, San Francisco, CA 94118-1522
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Arthritis, High Cholesterol, and Hypertension.
Joint inflammation causing pain, swelling, and stiffness
Elevated cholesterol or triglycerides that increase heart disease risk
High blood pressure — a leading risk factor for heart disease and stroke
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Excessive worry or fear that interferes with daily life
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Yale University School of Medicine
Board certified · Feb 15, 2021
Self-reported via NPPES
38 years in practice
Senior practitioner
An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.
Taxonomy: 207XX0005X
Education & Training
Yale University School of Medicine (Class of 1988)
Virtual Sports Medicine Care With John Belzer
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Belzer for arthritis follow-ups, cholesterol management, blood pressure monitoring — no travel to San Francisco required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about John Belzer
Dr. Belzer is listed as active in the NPI registry with telehealth listed in San Francisco, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 592-2014.
Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.
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Contact John Belzer
Practice Location
3838 California St Suite 715, San Francisco, CA 94118-1522
This is a provider directory. Contact the office directly to schedule appointments.
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