Mark Simmons: Email & Phone Number

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Clinical Psychologist at LifeStance Health|Boston, Massachusetts, United States

Position:

Clinical Psychologist at LifeStance Health

Location:

Boston, Massachusetts, United States

View Mark Simmons's Email

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Last updated: 2026-07-03

Updated: 2026-07-03

Found email addresses for Mark Simmons:

Business emails:

m**********s@lifestance.com

Personal emails:

m***************d@gmail.com

Found phones for Mark Simmons:

+1-870-***-**71,

+1-623-***-**52

A different Mark Simmons?

Work Experience 23 years

Clinical Psychologist at LifeStance Health

Dec 2021 - Current

Executive Director at LifeStance Health

Sep 2020 - Nov 2021

Interim Director of Primary Care at LifeStance Health

Nov 2020 - Apr 2021

Regional Clinical Director at LifeStance Health

Jan 2018 - Aug 2020

Directory of Psychotherapy Services at Child and Family Psychological Services, PLLC

Jun 2010 - Dec 2017

Clinical Psychologist at Child and Family Psychological Services, PLLC

Nov 2006 - May 2010

Clinical Psychologist at Boundaries Therapy Center

Nov 2004 - Nov 2006

Postdoctoral Fellow at Children and the Law Program - Massachusetts General Hospital

Sep 2003 - Sep 2004

Mark Simmons started working in 2003, then the employee has changed 3 companies and 5 jobs. On average, Mark Simmons works for one company for 2 years 10 months.

Their professional focus is Counseling Psychology, Employee Training, and Leadership across 3 core areas.

Education

Doctor of Psychology at Massachusetts School of Professional Psychology

Bachelor of Arts - BA at Bates College

Frequently Asked Questions

What is Mark Simmons's email address?

SignalHire found verified email addresses for Mark Simmons, both business and personal. Their business email is m**********s@lifestance.com, and personal emails include m***************d@gmail.com.

What is Mark Simmons's phone number?

SignalHire found multiple verified phone numbers for Mark Simmons: +1-870-***-**71, and +1-623-***-**52.

How do I contact Mark Simmons at LifeStance Health?

You can reach Mark Simmons 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 Mark Simmons's professional background?

Mark Simmons has 23 years of professional experience. They have held roles including Executive Director, Interim Director of Primary Care, and Regional Clinical Director at companies such as LifeStance Health, LifeStance Health, and LifeStance Health. Their education includes Doctor of Psychology from Massachusetts School of Professional Psychology, and Bachelor of Arts - BA from Bates College.

Is Mark Simmons's contact information up to date?

Yes. Mark Simmons's SignalHire profile was last updated on 3 July 2026, reflecting their current position as Clinical Psychologist at LifeStance Health in Scottsdale, Arizona, United States.

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