Zachary Nylund, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

0116042214 Issued in VA

Practice address

3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1715

Phone

(703) 391-2020

Fax

(703) 264-9861

NPI assigned

Jun 22, 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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1782086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1205762986",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331715",
            "telephone_number": "703-391-2020",
            "fax_number": "703-264-9861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331715",
            "telephone_number": "703-391-2020",
            "fax_number": "703-264-9861"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NYLUND",
        "first_name": "ZACHARY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-06-22",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0116042214",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tochi Nworu, MD
• Aubrey Anne Nwosu, LCSW
• Khulan Nyamsuren
• Rahma Mustafa Nyanganyi, M.D.
• Elizabeth Nyiiro
• Patricia J O Brien, OD
• Heather O'Brien
• Meghan O'Brien, PMHNP-BC
• Robert S O'Connell, MD
• William Edgar O'Conner IV

• Family Medicine Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Family Medicine Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.