Whitney Slack Harrison, CPNP

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

0024168842 Issued in VA

Practice address

8901 Wisconsin Ave
Bethesda, MD 20889-4126

Phone

(301) 400-1613

NPI assigned

Jun 20, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Ms. Whitney Catherine Slack Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Pediatric Nurse Practitioner, Nurse Practitioner

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: wharrison322238@soc.inova.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Commonwealth Emergency Physicians PC

  • Physician Assistant
  • Leesburg, VA
  • NPI 1366061574
  NPD (past)
• Commonwealth Pediatrics

  • Specialist
  • Richmond, VA
  • NPI 1104917954
  NPD (past)

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

{
    "created_epoch": "1276992000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743120000000",
    "number": "1912228305",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890004",
            "telephone_number": "301-400-1613"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208894126",
            "telephone_number": "301-400-1613"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRISON",
        "first_name": "WHITNEY",
        "middle_name": "SLACK",
        "name_prefix": "Mrs.",
        "credential": "CPNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-20",
        "last_updated": "2025-03-28",
        "certification_date": "2025-03-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "VA",
            "license": "0024168842",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wharrison322238@soc.inova.org",
            "affiliation": "Y",
            "endpointDescription": "Health Information Exchange",
            "affiliationName": "Inova Health Care Services",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "24801 Pinebrook Rd Ste 110",
            "city": "Chantilly",
            "state": "VA",
            "country_code": "US",
            "postal_code": "201524113",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "WHITNEY",
            "last_name": "SLACK",
            "middle_name": "CATHERINE",
            "prefix": "MS.",
            "credential": "CPNP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Sharon Hobbs Harris, O.T.R./L
• Twili Harris
• Mitchell Harrison, MD
• Nicole Harrison, MD
• Sidney Harrison
• Harry H Huang MD PA
• Mandy Susan Hart, M.S., C.C.C.-S.L.P.
• Thomas Hart
• Gwendolyn Harter
• Bradley Jay Hartgerink, CRNA

• Pediatric Nurse Practitioner in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Pediatric Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 28, 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.