Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Sullivan

Individual provider Clinical Social Worker · NPI 1346614641

Mark Sullivan is a Clinical Social Worker in Silver Spring, Maryland. Qualified in 2009, 17 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia.

Years since qualifying
17
Licensed in
DC
In the registry since
2015
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Practice location Address checks out

8703 Milford Ave
Silver Spring, MD 20910-5030
Phone: (202) 264-0070
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC50079401 (DC)

Record details

NPI number1346614641
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 24, 2015
Last updated in NPPESMarch 7, 2024
Certification dateMarch 7, 2024
Mailing address8703 Milford Ave, Silver Spring, MD 20910-5030

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Silver Spring