Crystal Nour Silbak, CNS

Primary specialty

Critical Care Medicine Clinical Nurse SpecialistTaxonomy code 364SC0200X

License

CS00234 Issued in MD

Practice address

8600 Old Georgetown Rd BLDG 3433
Bethesda, MD 20814-1497

Phone

(667) 776-1583

Fax

(667) 776-1583

NPI assigned

Aug 20, 2025

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Certified Nurse Specialist

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1755648000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755648000000",
    "number": "1437036571",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3116 E BALTIMORE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212241350",
            "telephone_number": "571-529-0655",
            "fax_number": "571-529-0655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8600 OLD GEORGETOWN RD BLDG 3433",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208141497",
            "telephone_number": "667-776-1583",
            "fax_number": "667-776-1583"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SILBAK",
        "first_name": "CRYSTAL",
        "middle_name": "NOUR",
        "name_prefix": "Ms.",
        "credential": "CNS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-20",
        "last_updated": "2025-08-20",
        "certification_date": "2025-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "364SC0200X",
            "taxonomy_group": "",
            "desc": "Clinical Nurse Specialist, Critical Care Medicine",
            "state": "MD",
            "license": "CS00234",
            "primary": true
        },
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "MD",
            "license": "R225813",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sightrite Medical MD LLC
• Aaron Wayne Sigler, PHARM.D.
• Elaine Sigman
• Sijaro Medical PA
• Keith Andrew Sikora, M.D.
• Annie Silbergeld, LCSW-C
• Sara Silbert
• Jareratt Silprasert, PHARM.D.
• Katie Silva
• Keila Silva, LCSW-C

• Clinical Nurse Specialist in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Clinical Nurse Specialist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.