Manassas Iop Inc

Primary specialty

Community/Behavioral Health AgencyTaxonomy code 251S00000X

Legal business name

MANASSAS IOP INC

Practice address

8859 Sudley Rd Ste E101
Manassas, VA 20110-4744

Phone

(703) 239-3602

Fax

(855) 888-8410

NPI assigned

Nov 11, 2024

Organization subpart

No

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

Authorized official

Name

Nancye L. Sadler, NPNPI 1508818790

Title

Owner

Phone

(703) 944-9018

Specialties & licenses 4

Addresses

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Nancye Lynn Sadler, NP

  • Addiction Medicine (Family Medicine) Physician
  • Manassas, VA
  • NPI 1508818790
  NPD Authorized official
• Christopher Hunsberger, FNP-BC, FNP-C

  • Family Medicine Physician
  • Manassas, VA
  • NPI 1801576376
  NPD (past)

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

{
    "created_epoch": "1731283200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783296000000",
    "number": "1326862947",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8859 SUDLEY RD STE 101",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201104745",
            "telephone_number": "703-239-3602",
            "fax_number": "855-888-8410"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8859 SUDLEY RD STE E101",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201104744",
            "telephone_number": "703-239-3602",
            "fax_number": "855-888-8410"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MANASSAS IOP INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-11-11",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A",
        "authorized_official_last_name": "SADLER",
        "authorized_official_first_name": "NANCYE",
        "authorized_official_middle_name": "L.",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "703-944-9018",
        "authorized_official_credential": "NP"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Primary Care",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Manassas Foot Clinic PLLC
• Manassas Hands-on Physical Therapy and Sports Medicine Inc
• Manassas Health Care LLC (Manassas Health & Rehab Center)
• Manassas Heart Center LLC
• Manassas Internal Medicine PC (Manassas Internal Medicine)
• Manassas Midwifery and Women's Health Center
• Manassas Midwifery and Women's Health Center
• Manassas Modern Dentistry PLLC
• Manassas Neurology Associates PLLC
• Manassas Neurology LLC

• Community/Behavioral Health Agency in Manassas, VA
• Providers in Manassas, VA by specialty
• Community/Behavioral Health Agency in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.