Sylvia Casas de Leon, MD

Primary specialty

Cornea and External Diseases Specialist PhysicianTaxonomy code 207WX0120X

License

0101268905 Issued in VA

Practice address

1800 Town Center Dr Ste 317
Reston, VA 20190-3239

Phone

(703) 437-3900

Fax

(703) 437-9426

NPI assigned

Apr 2, 2015

Last updated

May 15, 2020By the provider in NPPES

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 DC, VA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Ophthalmology

Education

Baylor College of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sylvia.casas.de.leon.1@8042.direct.athenahealth.com

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

• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480

  DC, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Privia Medical Group, LLC

  • Pain Medicine (Psychiatry & Neurology) Physician
  • Rockville, MD
  • NPI 1811715436

  Multi-Specialty

  NPD
• Pulmonologists, PC

  • Pulmonary Disease Physician
  • Gaithersburg, MD
  • NPI 1245270719

  Multi-Specialty

  NPD (past)

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

{
    "created_epoch": "1427932800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1589500800000",
    "number": "1619362993",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 TOWN CENTER DR STE 317",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201903239",
            "telephone_number": "703-437-3900",
            "fax_number": "703-437-9426"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 TOWN CENTER DR STE 317",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201903239",
            "telephone_number": "703-437-3900",
            "fax_number": "703-437-9426"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "635 W 165th St # 96",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100323724",
            "country_code": "US",
            "telephone_number": "212-305-6709",
            "fax_number": "212-305-5523",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASAS DE LEON",
        "first_name": "SYLVIA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-04-02",
        "last_updated": "2020-05-15",
        "certification_date": "2020-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NY",
            "license": "297778",
            "primary": false
        },
        {
            "code": "207WX0120X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Cornea and External Diseases Specialist",
            "state": "VA",
            "license": "0101268905",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carrie S. Welch, D. C. , PLLC
• Aaron Henry Carter, M.D.
• Judith S Carter, CRNA
• Mary Katherine Carter, PA-C
• Zachary A Casagrande, DDS MS
• Tristen Ruthanne Case, PA-C
• Britney Casey, BCBA, LBA
• Catalyst Health
• William Joseph Cauley Jr.
• Center for Life Strategies, LLC

• Cornea and External Diseases Specialist Physician in Reston, VA
• Providers in Reston, VA by specialty
• Cornea and External Diseases Specialist Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2020; 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.