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

MS. Crystal Nour Silbak, CNS

Individual provider Critical Care Medicine Clinical Nurse Specialist · NPI 1437036571

MS. Crystal Nour Silbak, CNS is a Critical Care Medicine Clinical Nurse Specialist in Bethesda, Maryland. Licensed in Maryland. Registered with an NPI since 2025.

Licensed in
MD
In the registry since
2025
Specialties on file
2
What do these letters mean?
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

8600 Old Georgetown Rd Bldg 3433
Bethesda, MD 20814-1497
Phone: (667) 776-1583
Fax: (667) 776-1583
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine Clinical Nurse Specialist (primary) Taxonomy 364SC0200X · Licence CS00234 (MD)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence R225813 (MD)

Record details

NPI number1437036571
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNS
Sole proprietorNo
NPI enumeratedAugust 20, 2025
Last updated in NPPESAugust 20, 2025
Certification dateAugust 20, 2025