Active NPI
Marcellus A Williams
- Physical Therapy Assistant
- Fredericksburg, VA
National Provider Identifier
1134089840
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapy Assistant
- License
- 2306606833
- Practice address
- 3310 Fall Hill Ave
Fredericksburg, VA 22401-3000 - Phone
- (540) 373-7133
- Fax
- (540) 373-7133
- NPI assigned
- Nov 14, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Therapy Assistant | 225200000X | 2306606833 | VA | Primary |
Addresses
Primary practice location
3310 Fall Hill Ave
Fredericksburg, VA 22401-3000
Mailing address
12621 Plantation Dr
Spotsylvania, VA 22551-8037
Phone (540) 842-9756
Other practice location 1
9530 Cosner Dr Ste 100
Fredericksburg, VA 22408-7760
Phone (540) 735-0401
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2306606833 | VA | MD | Physical Therapy Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1763078400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763078400000",
"number": "1134089840",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12621 PLANTATION DR",
"city": "SPOTSYLVANIA",
"state": "VA",
"postal_code": "225518037",
"telephone_number": "540-842-9756"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3310 FALL HILL AVE",
"city": "FREDERICKSBURG",
"state": "VA",
"postal_code": "224013000",
"telephone_number": "540-373-7133",
"fax_number": "540-373-7133"
}
],
"practiceLocations": [
{
"address_1": "9530 Cosner Dr Ste 100",
"address_purpose": "LOCATION",
"city": "Fredericksburg",
"state": "VA",
"postal_code": "224087760",
"country_code": "US",
"telephone_number": "540-735-0401",
"fax_number": "540-735-0401",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMS",
"first_name": "MARCELLUS",
"middle_name": "A",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-11-14",
"last_updated": "2025-11-14",
"certification_date": "2025-11-14",
"status": "A"
},
"taxonomies": [
{
"code": "225200000X",
"taxonomy_group": "",
"desc": "Physical Therapy Assistant",
"state": "VA",
"license": "2306606833",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fredericksburg, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.