Mark Sullivan

Clinical Social Worker

Mark Sullivan is a Clinical Social Worker based in Silver Spring, MD with over 17 years of clinical experience. Offers virtual telehealth visits.

(202) 264-0070Silver Spring, MD
Telehealth Available
NPI Active per CMS — Q2 2026

Mark Sullivan runs an independent clinical social worker practice in Silver Spring, MD. He has been in practice for 17+ years. A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two ...

1 of 634 Social Worker providers in MDSee all Social Worker in Silver Spring17+ years experienceNPI since 2015

Older · 808dNPPES updated 2024-03-07 · verify NPI on CMS · Verify license at Maryland Board of Physicians

Contact & Location

Practice Location

8703 Milford Ave, Silver Spring, MD 20910-5030

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Mar 6, 2024

    Self-reported via NPPES

  2. 17 years in practice

    Experienced

Social WorkerBehavioral Health & Social Service Providers

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Taxonomy: 1041C0700X

Virtual Social Work Care With Mark Sullivan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mark Sullivan for follow-ups, medication reviews, and ongoing care — no travel to Silver Spring required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Mark Sullivan

Dr. Sullivan is listed as active in the NPI registry with telehealth listed in Silver Spring, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (202) 264-0070.

Verified across 2 federal data sources

Sourced from CMS NPPES · OIG LEIE. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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