Skip to main content

HSCSN Provider Services Team

Provider Services

Contact provider services at 202-495-7526 if you:

  • Are a provider with contracting, credentialing or operational issues
  • Are a provider with a question or complaint
  • Are a provider with a question regarding the status of a claim

Nadine Coy, Chief Operating Officer

Phone: 202-495-7563 | Email: ncoy@hschealth.org

Awa Sall, Associate Director of Contracting

Phone: 202-495-7570 | Email: asall@hschealth.org

Direct questions to our Associate Director of Contracting if you:

  • Have an interest in becoming an HSCSN provider
  • Have questions about your contract.

Yvonne Okyere, Contract Coordinator

Phone: 202-495-7667 | Email: yokyere@hschealth.org

Direct questions to our Contract Coordinator if you:

  • Have questions specific to single case agreements.

Charisse Vickerie, Provider Relations Manager

Phone: 202-495-7695 | Email:cvickerie@hschealth.org

Direct questions to our Provider Relations Manager if you are a:

  • Federally Qualified Healthcare Centers 
  • United Medical Center 
  • Howard University Hospital & Faculty Practice Plan (FPP) 
  • Vision/Hearing Providers 
  • Physical Therapists, Occupational Therapists & Speech Therapists 
  • Applied Behavioral Analysts (ABA) Providers
  • Early Intervention Providers

Chawleen Smith, Senior Network Coordinator

Phone: 202-580-6480 | Email: csmith@hschealth.org

Direct questions to our Senior Network Coordinator if you are a:

  • Home Health Providers (including HSC Home Care)
  • HSC Pediatric Center 
  • Respite Care Providers
  • Durable Medical Equipment Suppliers/Providers
  • Local Pharmacies 
  • Other Specialists (i.e. Cardiologists) 
  • Children's National Medical System & Children's Pediatricians & Associates (CPA)

Leon Johnson Jr., Provider Relations Representative

Phone: 202-467-2743 | Email: ljohnson@hschealth.org

Direct questions to our Provider Relations Representative if you are a:

  • Behavioral Health Providers (including Core Service Agencies & Free Standing Mental Health Clinics)
  • Psychiatric Residential Treatment Facilities 
  • Obstetricians & Gynecologists 
  • Private Practice Primary Care Practitioners (non-hospital systems/non FQHCs)
  • MedStar Hospital System & Practices 
  • George Washington University Hospital & Medical Faculty Association (MFA)

Tyhisia Thompson, Credentialing Coordinator

Phone: 202-507-7560 | Email: tthompson@hschealth.org

Direct questions to our Credentialing Coordinator or Credentialing Specialist if you have questions specific to the HSCSN credentialing process.

Tirsit Desta, Credentialing Specialist

Phone: 202-974-4693 | Email: tdesta@hschealth.org

Direct questions to our Credentialing Coordinator or Credentialing Specialist if you have questions specific to the HSCSN credentialing process.