Active NPI
Frank D. Deforest, PH.D.
- Psychologist
- Fredericksburg, VA
National Provider Identifier
1952360109
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 0810001612
- Practice address
- 600 Jackson St
Fredericksburg, VA 22401-5719 - Phone
- (540) 899-4380
- Fax
- (540) 371-3753
- NPI assigned
- Mar 17, 2006
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Psychologist | 103T00000X | 0810001612 | VA | Primary |
Addresses
Primary practice location
600 Jackson St
Fredericksburg, VA 22401-5719
Mailing address
600 Jackson St
Fredericksburg, VA 22401-5719
Phone (540) 899-4380
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)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0810001612 | VA | MD | Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1142553600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1952360109",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "600 JACKSON ST",
"city": "FREDERICKSBURG",
"state": "VA",
"postal_code": "224015719",
"telephone_number": "540-899-4380",
"fax_number": "540-371-3753"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 JACKSON ST",
"city": "FREDERICKSBURG",
"state": "VA",
"postal_code": "224015719",
"telephone_number": "540-899-4380",
"fax_number": "540-371-3753"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DEFOREST",
"first_name": "FRANK",
"middle_name": "D.",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "VA",
"license": "0810001612",
"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 Jul 13, 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.