Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Sharon K Sierra-Koscinski, MSW, LCSW-C

Individual provider Clinical Social Worker · NPI 1841409414

Sharon K Sierra-Koscinski, MSW, LCSW-C is a Clinical Social Worker in Olney, Maryland. Qualified in 1983, 43 years ago. Practices as a sole proprietor, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Delaware, Maryland and Virginia.

Years since qualifying
43
Licensed in
DE, MD, VA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

18528 Denhigh Cir
Olney, MD 20832-1883
Phone: (301) 633-0872
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3520 Colmar Quarter, Norfolk, VA 23509-1247 — (240) 916-2464

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 10114 (MD)
Clinical Social Worker Taxonomy 1041C0700X · Licence Q1-0012709 (DE)
Clinical Social Worker Taxonomy 1041C0700X · Licence 0904018300 (VA)

Record details

NPI number1841409414
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW-C
Sole proprietorYes
NPI enumeratedMay 21, 2007
Last updated in NPPESJanuary 1, 2026
Certification dateJanuary 1, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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