Jenna Elizabeth Horowitz

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

021626 Issued in NY

Practice address

3800 Reservoir Rd NW
Neurosurgery Department
Washington, DC 20007-2113

Phone

(202) 444-2000

NPI assigned

Nov 2, 2015

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Philadelphia College of Osteopathic Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Brigham and Womens Physicians Organization IncGroup PAC ID 3870405988, 2,931 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100
• Spaulding Rehabilitation Hospital - Cape Cod Inpatient rehabilitation facility, East Sandwich, MA, CCN 223032

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mgoolsby9422@direct.hss.edu
• Direct secure messaging: horowitz.jenna.bwh@direct.partners.masshiway.net

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.

• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment Care Compare group
• Brigham and Women'S Hospital

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1093885816
  NPD
• Brigham and Womens Physicians Organization Inc

  • Diagnostic Radiology Physician
  • Boston, MA
  • NPI 1265464598

  Single Specialty

  NPD (past)
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• HSS Non Par Providers

  • Orthopaedic Surgery Physician
  • New York, NY
  • NPI 1093143687

  Single Specialty

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Rehabilitation Hospital of the Cape and Islands, Corporation

  • Rehabilitation Hospital
  • E Sandwich, MA
  • NPI 1265489736

  Inpatient rehabilitation facility

  Care Compare affiliation
• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  Care Compare affiliation

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

{
    "created_epoch": "1446422400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1003289901",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "535 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214823"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "address_2": "NEUROSURGERY DEPARTMENT",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500 x25500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOROWITZ",
        "first_name": "JENNA",
        "middle_name": "ELIZABETH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-11-02",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Physician Assistant, Surgical",
            "state": "NY",
            "license": "021626",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA7843",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "DC",
            "license": "PA031203",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mgoolsby9422@direct.HSS.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "535 E 70th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100214823",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "535 E 70th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100214823",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "535 E 70th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100214823",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Victoria Horner
• Fay Horng, M.D.
• Margaret M Hornick, MD
• Julia Hornyak
• Beth Horowitz, MD
• Mercedes Virginia Horsey
• Leah Horslen, MD
• Devonne Horsley
• Kathlene Joy Horsley, PA-C
• Courtney Lee Horton, MD

• Surgical Physician Assistant in Washington, DC
• Providers in Washington, DC by specialty
• Surgical Physician Assistant in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.