Dr. Joseph E Welsh , MD
Neurological Surgery • Mountain View, CA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Joseph Welsh has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Joseph Welsh, MD was a registered Neurological Surgery practicing in Mountain View, CA. Throughout an active medical career spanning 20 years, Dr. Welsh provided care at the practice location at 2204 GRANT RD until profile deactivation on 2026-04-30.
Practice Location & Contact Primary Location
2204 Grant Rd
Suite 105
Mountain View, CA 940403855
Specialty Benchmarks & Practice Insights
Comparative analytics for Neurological Surgery in Mountain View, CA
Practicing in Mountain View, CA (999 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207T00000X
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine - Endocrinology, Diabetes & Metabolism
Doctor of Medicine (M.D.)
Internal Medicine - Endocrinology, Diabetes & Metabolism
Doctor of Medicine (M.D.)
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine - Endocrinology, Diabetes & Metabolism
Doctor of Medicine (M.D.)
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on April 30, 2026
NPI status registered as active in NPPES database
Registered at 2204 GRANT RD, SUITE 105, MOUNTAIN VIEW, CA 940403855 (Tel: 6509695227)
Registered at 2204 GRANT RD, SUITE 105, MOUNTAIN VIEW, CA 940403855 (Tel: 6509695227)
Recorded as JOSEPH WELSH, M.D.
Neurological Surgery (License #G44185 in CA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
2204 Grant Rd, Suite 105
Mountain View, CA 940403855
Phone: 6509695227
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