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Darrel Slack

Licensed Marriage and Family Therapist

mental health San Francisco, CA Private Practice
j.doe@example.com (555) 123-4567 linkedin.com/in/...
Reveal Contact Info
Overview
Level
Staff
Function
Healthcare
Tenure
8 years at Private Practice
Gender
Male
Connections
374
Position in HealthTal Database
  • 59,200 healthcare professionals in HealthTal hold the mental health specialty. Darrel Slack is one of them.
  • 8,522 mental health professionals are based in CA (out of 155,461 total healthcare contacts in that state).
  • 2,526 contacts at Private Practice are tracked in HealthTal.
  • Typical mental health compensation in CA: $47,000 – $118,000 (median $68,000). Source: BLS OEWS adjusted for state cost of labor.
  • Top employers of mental health professionals in CA: Private Practice (419), Kaiser Permanente (290), Sole Proprietor (278).
  • 3% of mental health professionals in CA hold a senior title (Director, Manager, Chief, VP, etc.).
  • 87% of mental health professionals in CA have verified education credentials on file.
  • Data refreshed June 2026.

Public records & verifications
  • Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
  • Professional LinkedIn profile on file (subscribers only).
  • Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.
Education
Stanford University
1997
California Institute of Intergral Studies
MA
2014
United States Air Force Academy
BS
1985
Barrington College
1981
About Private Practice
Industry
Hospitals & Physicians Clinics
Employees
20 to 99
Revenue
<$1M
Office Location
5243 Nebraska Ave Nw, Washington, DC
Professional Overview

Darrel Slack is a Licensed Marriage and Family Therapist, currently affiliated with Private Practice, based in San Francisco, CA. As a mental health, Slack contributes to patient care, clinical workflows, and healthcare operations in San Francisco, CA. They have been with Private Practice for 8 years. Slack holds academic credentials, including MA and BS, from Stanford University and California Institute of Intergral Studies. Private Practice operates in the Hospitals & Physicians Clinics sector with a workforce of 20 to 99 employees. Healthcare organizations seeking to recruit mental health professionals can use HealthTal to access verified direct email addresses and personal phone numbers sourced from NPI records and professional licensing databases. Direct outreach to mental health specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The San Francisco, CA healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.

Recruiting mental health

Healthcare professionals with mental health expertise are recruited nationwide. Direct outreach via verified email and phone produces significantly faster placements than relying on job boards or passive candidates. HealthTal's database provides personal contact data verified against NPI and state licensing records.

Browse all mental health professionals →

Frequently Asked Questions

Where is Darrel Slack located?
Darrel Slack is based in San Francisco, CA. They are currently affiliated with Private Practice.
What is Darrel Slack's specialty?
Darrel Slack specializes in mental health. Their current role is Licensed Marriage and Family Therapist.
Where does Darrel Slack currently work?
Darrel Slack currently works at Private Practice. They have been there for 8 years.
What is Darrel Slack's educational background?
Darrel Slack attended Stanford University and California Institute of Intergral Studies.
How do I contact Darrel Slack for recruiting?
HealthTal provides verified direct email address and phone number for Darrel Slack. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.
How do I recruit a mental health professional?
Recruiting mental health professionals typically involves reaching out via direct email or phone. HealthTal's database provides verified contact data for mental health professionals across all 50 states, allowing you to contact candidates directly without going through job boards.
What is the average salary for a mental health professional in CA?
mental health professionals in CA typically earn $47,000 to $118,000 annually, with a median of $68,000. Figures derive from BLS OEWS data, adjusted for state cost of labor. Senior-titled roles (Director, Manager, Chief) and high-acuity practice settings push the upper end.

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