Active NPI
Manassas Addiction Center LLC
- Substance Use Disorder Rehabilitation Clinic/Center
- Manassas, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Substance Use Disorder Rehabilitation Clinic/Center
- Legal business name
- MANASSAS ADDICTION CENTER LLC
- Practice address
- 8859 Sudley Rd Ste 101
Manassas, VA 20110-4745 - Phone
- (703) 239-3602
- Fax
- (855) 888-8410
- NPI assigned
- Apr 26, 2019
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Nancye Lynn Sadler, NP
- Title
- President
- Phone
- (703) 239-3602
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Substance Use Disorder Rehabilitation Clinic/Center | 261QR0405X | Primary |
Addresses
Primary practice location
8859 Sudley Rd Ste 101
Manassas, VA 20110-4745
Mailing address
8859 Sudley Rd Ste 101
Manassas, VA 20110-4745
Phone (703) 239-3602
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1508818790 | Medicaid | VA | |
| 8951641 | Medicaid | VA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
8609 Sudley Rd
Manassas, VA 20110
Phone (202) 641-2221
9001 Digges Rd
Ste 104
Manassas, VA 20110
Phone (703) 239-3602
8859 Sudley Rd
Ste 101
Manassas, VA 20110
Phone (703) 368-8800
Interoperability endpoints
- https://api.platform.athenahealth.com/20194/brand/1/csg/1/fhir/r4
Practitioners & affiliated clinicians
Practitioners 6
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Addiction Medicine (Family Medicine) Physician
- Manassas, VA
- NPI 1508818790
-
- Family Medicine Physician
- Manassas, VA
- NPI 1801576376
-
- Psychiatric/Mental Health Nurse Practitioner
- Manassas, VA
- NPI 1356048763
-
- Professional Counselor
- Manassas, VA
- NPI 1356938476
-
- Family Nurse Practitioner
- Manassas, VA
- NPI 1164193702
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1556236800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1783296000000",
"number": "1225692015",
"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 101",
"city": "MANASSAS",
"state": "VA",
"postal_code": "201104745",
"telephone_number": "703-239-3602",
"fax_number": "855-888-8410"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MANASSAS ADDICTION CENTER LLC",
"organizational_subpart": "NO",
"enumeration_date": "2019-04-26",
"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": "LYNN",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "703-239-3602",
"authorized_official_credential": "NP"
},
"taxonomies": [
{
"code": "261QR0405X",
"taxonomy_group": "",
"desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1508818790",
"state": "VA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "8951641",
"state": "VA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Manassas, VA
Sources for this page
- 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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.