General Surgeon
Current
Nov 2017 - Present
AeroLeads people directory · profile
William Hamstra Email & Phone Number
General Surgeon at TPMG/Kaiser
at
The Permanente Medical Group, Inc.
LinkedIn matched
✓ Verified August 2026
2 data sources
Profile completeness 71%
Current company
Role
General Surgeon at TPMG/Kaiser
Location
Stockton, California, United States
Company size
Who is William Hamstra? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
William Hamstra is listed as General Surgeon at TPMG/Kaiser at The Permanente Medical Group, Inc., a with 974 employees, based in Stockton, California, United States. AeroLeads shows a matched LinkedIn profile for William Hamstra.
William Hamstra previously worked as General Surgeon at The Permanente Medical Group, Inc. and General Surgeon at W. N. Hamstra, D.O..
Company email context
Email format at The Permanente Medical Group, Inc.
This section adds company-level context without repeating William Hamstra's masked contact details.
The Permanente Medical Group, Inc.
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Profile bio
About William Hamstra
William Hamstra is a General Surgeon at TPMG/Kaiser at The Permanente Medical Group, Inc..
Current workplace
William Hamstra's current company
Company context helps verify the profile and gives searchers a useful next step.
The Permanente Medical Group, Inc.
2 roles
William Hamstra work experience
A career timeline built from the work history available for this profile.
General Surgeon
W. N. Hamstra, D.O.
Team & coworkers
Colleagues at The Permanente Medical Group, Inc.
Other employees you can reach at kpsantateresa.org. View company contacts for 974 employees →
AB
Allan Bernstein
Colleague at The Permanente Medical Group, Inc.Redwood City, California, United States
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PF
Pelly Fan
Colleague at The Permanente Medical Group, Inc.Oakland, California, United States
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JL
Jason Lee
Colleague at The Permanente Medical Group, Inc.Martinez, California, United States
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SW
Sara Wilkinson
Colleague at The Permanente Medical Group, Inc.San Francisco, California, United States
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JT
Jeanne Taylor
Colleague at The Permanente Medical Group, Inc.United States
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KH
Kris Houck
Colleague at The Permanente Medical Group, Inc.Walnut Creek, California, United States
View →
VV
Vijay Venugopal, Do
Colleague at The Permanente Medical Group, Inc.Ripon, California, United States
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RB
Rebecca Bastian
Colleague at The Permanente Medical Group, Inc.Berkeley, California, United States
View →
IX
Irene X Wilson
Colleague at The Permanente Medical Group, Inc.San Francisco Bay Area, United States
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SK
Sharon Krejci Mowat Md
Colleague at The Permanente Medical Group, Inc.Danville, California, United States
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Allan Bernstein
Colleague at The Permanente Medical Group, Inc.Redwood City, California, United States
View →
PF
Pelly Fan
Colleague at The Permanente Medical Group, Inc.Oakland, California, United States
View →
JL
Jason Lee
Colleague at The Permanente Medical Group, Inc.Martinez, California, United States
View →
SW
Sara Wilkinson
Colleague at The Permanente Medical Group, Inc.San Francisco, California, United States
View →
JT
Jeanne Taylor
Colleague at The Permanente Medical Group, Inc.United States
View →
KH
Kris Houck
Colleague at The Permanente Medical Group, Inc.Walnut Creek, California, United States
View →
VV
Vijay Venugopal, Do
Colleague at The Permanente Medical Group, Inc.Ripon, California, United States
View →
RB
Rebecca Bastian
Colleague at The Permanente Medical Group, Inc.Berkeley, California, United States
View →
IX
Irene X Wilson
Colleague at The Permanente Medical Group, Inc.San Francisco Bay Area, United States
View →
SK
Sharon Krejci Mowat Md
Colleague at The Permanente Medical Group, Inc.Danville, California, United States
View →
FAQ
Frequently asked questions about William Hamstra
Quick answers generated from the profile data available on this page.
What company does William Hamstra work for?
William Hamstra works for The Permanente Medical Group, Inc..
What is William Hamstra's role at The Permanente Medical Group, Inc.?
William Hamstra is listed as General Surgeon at TPMG/Kaiser at The Permanente Medical Group, Inc..
Where is William Hamstra based?
William Hamstra is based in Stockton, California, United States while working with The Permanente Medical Group, Inc..
What companies has William Hamstra worked for?
William Hamstra has worked for The Permanente Medical Group, Inc. and W. N. Hamstra, D.O..
Who are William Hamstra's colleagues at The Permanente Medical Group, Inc.?
William Hamstra's colleagues at The Permanente Medical Group, Inc. include Allan Bernstein, Pelly Fan, Jason Lee, Sara Wilkinson, and Jeanne Taylor.
How can I contact William Hamstra?
You can use AeroLeads to view verified contact signals for William Hamstra at The Permanente Medical Group, Inc., including work email, phone, and LinkedIn data when available.
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