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Deactivated NPI 1073548244 Deactivated / Inactive NPI Male Practitioner

Dr. Joseph E Welsh , MD

Neurological Surgery • Mountain View, CA

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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.

Registration / Start Date July 12, 2006
NPI Deactivation Date April 30, 2026
Total Practice Duration ~20 Years of Practice (2006 – 2026)

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

Practice Address

2204 Grant Rd
Suite 105

Mountain View, CA 940403855

Telephone 6509695227
Fax 6509695151
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Mountain View, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 39.5 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
6 Specialists

Practicing in Mountain View, CA (999 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License CA G44185

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

12 Associated Practitioners
Dr. Preethi Sridhar , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1033362041

Doctor of Medicine (M.D.)

Dr. Vinita Tandon , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1124105481

Doctor of Medicine (M.D.)

Dr. Andrew Lipton , MD

Internal Medicine - Gastroenterology

NPI 1174594394

Doctor of Medicine (M.D.)

Dr. David Lewis , MD

Internal Medicine

NPI 1316017858

Doctor of Medicine (M.D.)

Dr. Soo Eng , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1316024920

Doctor of Medicine (M.D.)

Dr. Robert Mitchell , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1356431795

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated April 30, 2026

Record deactivated on April 30, 2026

NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 09, 2007

Registered at 2204 GRANT RD, SUITE 105, MOUNTAIN VIEW, CA 940403855 (Tel: 6509695227)

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Updated Business Mailing Address July 09, 2007

Registered at 2204 GRANT RD, SUITE 105, MOUNTAIN VIEW, CA 940403855 (Tel: 6509695227)

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Provider Name / Credentials Updated July 09, 2007

Recorded as JOSEPH WELSH, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Neurological Surgery (License #G44185 in CA)

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Initial NPI Registration & Enumeration July 12, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1073548244
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 12, 2006
Last Update: July 09, 2007
Deactivation Date: April 30, 2026

Mailing Address

2204 Grant Rd, Suite 105

Mountain View, CA 940403855

Phone: 6509695227

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.