Active NPI
Deborah Harris O'Brien, PH.D.
- Cognitive & Behavioral Psychologist
- Laurel, MD
National Provider Identifier
1083738165
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cognitive & Behavioral Psychologist
- License
- 02677
- Practice address
- 8516 Willow Wisp CT
Laurel, MD 20723-1029 - Phone
- (301) 498-7452
- NPI assigned
- Mar 16, 2007
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychologist | 103T00000X | 02677 | MD | |
| Cognitive & Behavioral Psychologist | 103TB0200X | 02677 | MD | Primary |
| Clinical Child & Adolescent Psychologist | 103TC2200X | 02677 | MD | |
| Intellectual & Developmental Disabilities Psychologist | 103TM1800X | 02677 | MD | |
| Group Psychotherapy Psychologist | 103TP2701X | 02677 | MD |
Addresses
Primary practice location
8516 Willow Wisp CT
Laurel, MD 20723-1029
Mailing address
8516 Willow Wisp CT
Laurel, MD 20723-1029
Phone (301) 498-7452
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
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 02677 | MD | MD | Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1174003200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1083738165",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8516 WILLOW WISP CT",
"city": "LAUREL",
"state": "MD",
"postal_code": "207231029",
"telephone_number": "301-498-7452"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8516 WILLOW WISP CT",
"city": "LAUREL",
"state": "MD",
"postal_code": "207231029",
"telephone_number": "301-498-7452"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'BRIEN",
"first_name": "DEBORAH",
"middle_name": "HARRIS",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-03-16",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "MD",
"license": "02677",
"primary": false
},
{
"code": "103TB0200X",
"taxonomy_group": "",
"desc": "Psychologist, Cognitive & Behavioral",
"state": "MD",
"license": "02677",
"primary": true
},
{
"code": "103TC2200X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical Child & Adolescent",
"state": "MD",
"license": "02677",
"primary": false
},
{
"code": "103TM1800X",
"taxonomy_group": "",
"desc": "Psychologist, Intellectual & Developmental Disabilities",
"state": "MD",
"license": "02677",
"primary": false
},
{
"code": "103TP2701X",
"taxonomy_group": "",
"desc": "Psychologist, Group Psychotherapy",
"state": "MD",
"license": "02677",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Laurel, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.