Walid El-Nahal, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

0101265943 Issued in VA

Practice address

3289 Woodburn Rd Ste 200
Annandale, VA 22003-7347

Phone

(703) 560-7900

Fax

(703) 560-8408

NPI assigned

Apr 29, 2015

Reactivated

Mar 13, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in VA, DC2 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

Internal Medicine

Education

University of Virginia School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Infectious Diseases Physicians, Inc.Group PAC ID 9537267513, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: welnahal537089@direct.hopkinsmedicine.org
• FHIR API: https://fhir4.healow.com/fhir/r4/BJIGCA

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.

• Infectious Diseases Physicians, Inc

  • Infectious Disease Physician
  • Annandale, VA
  • NPI 1326113549

  DC

  Medicare reassignment Care Compare group NPD (past)

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

• Inova Health Care Services

  dba Inova Fairfax Hospital

  • Rehabilitation Hospital Unit
  • Falls Church, VA
  • NPI 1588795462
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fairfax Hospital

  • General Acute Care Hospital
  • Falls Church, VA
  • NPI 1831220714
  Care Compare affiliation

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

{
    "created_epoch": "1430265600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775692800000",
    "number": "1982081923",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3289 WOODBURN RD STE 200",
            "city": "ANNANDALE",
            "state": "VA",
            "postal_code": "220037347",
            "telephone_number": "703-560-7900",
            "fax_number": "703-560-8408"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3289 WOODBURN RD STE 200",
            "city": "ANNANDALE",
            "state": "VA",
            "postal_code": "220037347",
            "telephone_number": "703-560-7900",
            "fax_number": "703-560-8408"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EL-NAHAL",
        "first_name": "WALID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-29",
        "last_updated": "2026-04-09",
        "certification_date": "2026-04-09",
        "deactivation_date": "2026-03-11",
        "reactivation_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "VA",
            "license": "0101265943",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cassie Edgreen, MS, OTR/L
• Lesley Edwards-Gaither, PH.D. CCC SLP
• Timothy James Egan, M.D.
• Mark Eugene Egber, DDS
• Charles Edward Ehle, D.D.S.
• Elite Care LLC
• Ellis & Lindgren Orthodontics PLLC
• Ellis Orthodontics PC
• Donald Michael Ellis, D.D.S.
• Akram Elzend, PT, DPT, MBA&M

• Infectious Disease Physician in Annandale, VA
• Providers in Annandale, VA by specialty
• Infectious Disease Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 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.