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Dr. John Grossmith — Neurosurgery, Las Vegas, NV | spine.co

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JG

John Grossmith

✓ Verified✓ Board Certified

Neurological Surgery

20+ years in practice

Accepting New Patients

On this page

Credentials
Quality Signals
Locations
Reviews

Credentials Quality Signals Locations Reviews

Credentials

Certifications

—American Board of Neurological Surgery

Clinical Quality Signals

NPI registry →

Fellowship Training

Not on record

Enrichment data

Board Certification

1 board certification

American Board of Neurological Surgery

Explore spine care

About Neurosurgeons — what they treat →
Other spine specialists in Las Vegas, NV →
Spine conditions — common diagnoses & treatments →
Spine procedures — what to expect →

© 2026 spine.co — Not a substitute for medical advice.

Enrichment data

Medicare Volume

Not available

CMS Medicare data

Industry Disclosures

No disclosures on file

CMS Open Payments (verified)

Fellowship and board certification data is sourced from professional profiles and self-reported enrichment. Medicare volume reflects CMS annual data where available. Disclosure data is sourced from the CMS Open Payments database.

Locations

Office

Suite B

10195 W Twain Ave

Las Vegas, NV 89147

NPI: 1982676888✓ Verified via NPI Registry