Matt Diffley: Email & Phone Number

Director of Recruiting, Onboarding, and Mentoring, Diablo Service Area at The Permanente Medical Group, Inc.|Walnut Creek, California, United States

Position:

Director of Recruiting, Onboarding, and Mentoring, Diablo Service Area at The Permanente Medical Group, Inc.

Location:

Walnut Creek, California, United States

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Last updated: 2026-08-06

Updated: 2026-08-06

Found email addresses for Matt Diffley:

Business emails:

d***t@permanente.org

Personal emails:

m***@yahoo.com,

d***@permanente.org,

d***@gmail.com,

d***@aol.com

Found phones for Matt Diffley:

+1-323-***-**46,

+1-870-***-**17,

+1-870-***-**47,

+1-870-***-**58

A different Matt Diffley?

Work Experience 14 years

Director of Recruiting, Onboarding, and Mentoring, Diablo Service Area at The Permanente Medical Group, Inc.

Mar 2025 - Current

Pediatric Hospitalist at The Permanente Medical Group, Inc.

Oct 2014 - Current

Chief, Inpatient Pediatrics, Diablo Service Area at The Permanente Medical Group, Inc.

Jan 2018 - Mar 2025

President, Medical Executive Committee, Kaiser Walnut Creek Hospital at The Permanente Medical Group, Inc.

Jan 2022 - Dec 2022

Associate Chief, Inpatient Pediatrics, Diablo Service Area at The Permanente Medical Group, Inc.

Jan 2017 - Jan 2018

Outpatient Pediatrician / Hybrid at The Permanente Medical Group, Inc.

Jul 2012 - Oct 2014

Matt Diffley started working in 2012, then the employee has changed 5 jobs. On average, Matt Diffley works for one company for 4 years 1 month.

Education

Pediatric Residency at Children's Hospital Oakland (UCSF Benioff)

Doctor of Medicine - MD at University of Oklahoma College of Medicine

Post-baccalaureate at San Diego State University

Bachelor of Science - BS at UNSW

Bachelor of Science - BS at University of California, Berkeley

Frequently Asked Questions

What is Matt Diffley's email address?

SignalHire found verified email addresses for Matt Diffley, both business and personal. Their business email is d***t@permanente.org, and personal emails include m***@yahoo.com, d***@permanente.org, and d***@gmail.com.

What is Matt Diffley's phone number?

SignalHire found multiple verified phone numbers for Matt Diffley: +1-323-***-**46, +1-870-***-**17, and +1-870-***-**47.

How do I contact Matt Diffley at The Permanente Medical Group, Inc.?

You can reach Matt Diffley through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Matt Diffley's professional background?

Matt Diffley has 14 years of professional experience. They have held roles including Pediatric Hospitalist, Chief, Inpatient Pediatrics, Diablo Service Area, and President, Medical Executive Committee, Kaiser Walnut Creek Hospital at companies such as The Permanente Medical Group, Inc., The Permanente Medical Group, Inc., and The Permanente Medical Group, Inc.. Their education includes Pediatric Residency from Children's Hospital Oakland (UCSF Benioff), and Doctor of Medicine - MD from University of Oklahoma College of Medicine.

Is Matt Diffley's contact information up to date?

Yes. Matt Diffley's SignalHire profile was last updated on 6 August 2026, reflecting their current position as Director of Recruiting, Onboarding, and Mentoring, Diablo Service Area at The Permanente Medical Group, Inc. in Pleasanton, California, United States.

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