Sydney Danielle Fallen, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

44055 Riverside Pkwy Ste 238
Leesburg, VA 20176-5178

Phone

(937) 823-9387

NPI assigned

Feb 24, 2025

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

Medicare fee-for-service enrollment

Enrolled in MD

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

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Maryland Physicians PAGroup PAC ID 2769394808, 395 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sfallen1314724@direct.umm.edu

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.

• University of Maryland Physicians P.a.

  • Cardiovascular Disease Physician
  • Baltimore, MD
  • NPI 1689623175
  Medicare reassignment Care Compare group NPD
• University of Maryland Physicians P.a.

  • Gastroenterology Physician
  • Largo, MD
  • NPI 1619860194
  NPD
• University of Maryland Physicians PA

  • Pulmonary Disease Physician
  • Baltimore, MD
  • NPI 1144270687
  NPD

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

{
    "created_epoch": "1740355200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1912703372",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44055 RIVERSIDE PKWY STE 238",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201765178",
            "telephone_number": "937-823-9387"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44055 RIVERSIDE PKWY STE 238",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201765178",
            "telephone_number": "937-823-9387"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FALLEN",
        "first_name": "SYDNEY",
        "middle_name": "DANIELLE",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-02-24",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sara Faiq
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• Fairfax Radiological Consultants PC
• Fairfax Radiological Consultants PC
• Elise Faith
• Family and Cosmetic Dentistry
• Family First Sleep Program
• Family Hearing Services, Inc
• Sosun Z. Faqiri, MD
• Natalie Farinas, MS, RDN

• Physician Assistant in Leesburg, VA
• Providers in Leesburg, VA by specialty
• Physician Assistant in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.