Alexandra Morgan Holmes

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

035555 Issued in NY

Practice address

100 Woods Rd
Valhalla, NY 10595-1530

Phone

(914) 493-7000

NPI assigned

Apr 6, 2020

Sex

Female

Sole proprietor

Yes

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

Enrolled in NC, HI, NY3 enrollments

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 3

Specialty

Physician Assistant

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Westchester Medical Center Advanced Physician Services PCGroup PAC ID 3173660776, 879 clinicians

Queens University Medical GroupGroup PAC ID 2466831557, 614 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Queens Medical Center Hospital, Honolulu, HI, CCN 120001
• Westchester Medical Center Hospital, Valhalla, NY, CCN 330234

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aholmes86675@capefearvalley.direct-ci.com

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.

• Westchester Medical Center Advanced Physician Services, PC

  • Surgery Physician
  • Valhalla, NY
  • NPI 1912131392
  Medicare reassignment Care Compare group
• Queens University Medical Group

  • Multi-Specialty Clinic/Center
  • Honolulu, HI
  • NPI 1891441382
  Medicare reassignment Care Compare group
• Cumberland County Hospital System Inc

  dba Oncology Services

  • Hematology & Oncology Physician
  • Fayetteville, NC
  • NPI 1881946242
  Medicare reassignment
• The Carolinas Emergency Group, PLLC

  • Emergency Medicine Physician
  • Dunn, NC
  • NPI 1477508836
  Medicare reassignment
• Cumberland County Hospital System Inc

  dba Valley Medical Associates

  • Internal Medicine Physician
  • Fayetteville, NC
  • NPI 1588668396
  NPD

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

• Westchester County Health Care Corporation

  dba Westchester Medical Center

  • General Acute Care Hospital
  • Valhalla, NY
  • NPI 1932280666
  Care Compare affiliation
• The Queens Medical Center

  • General Acute Care Hospital
  • Honolulu, HI
  • NPI 1184612764
  Care Compare affiliation

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

{
    "created_epoch": "1586131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777075200000",
    "number": "1942839592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WOODS RD",
            "city": "VALHALLA",
            "state": "NY",
            "postal_code": "105951530",
            "telephone_number": "914-493-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 WOODS RD",
            "city": "VALHALLA",
            "state": "NY",
            "postal_code": "105951530",
            "telephone_number": "914-493-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLMES",
        "first_name": "ALEXANDRA",
        "middle_name": "MORGAN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-04-06",
        "last_updated": "2026-04-25",
        "certification_date": "2026-04-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "035555",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alaaeldin Yousry Hodhod, MBBCH
• Gabrielle Hodson, PHARMD
• Christopher Michael Hoff
• Samuel A Hoisington, M.D.
• Kyra Marie Hollar
• Brian Patrick Holt, MD
• Dylan James Holzgruber, MD
• Christine Hom, MD
• Richard Eugene Hong, M.D.
• Tamar Horowitz, NP

• Physician Assistant in Valhalla, NY
• Providers in Valhalla, NY by specialty
• Physician Assistant in New York

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