Active NPI
Arthur Gallagher, PSYD
- Clinical Psychologist
- Patchogue, NY
National Provider Identifier
1871397604
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 026592
- Practice address
- 196 Medford Ave
Patchogue, NY 11772-1240 - Phone
- (631) 621-2744
- NPI assigned
- Apr 2, 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 |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 026592 | NY | Primary |
Addresses
Primary practice location
196 Medford Ave
Patchogue, NY 11772-1240
Mailing address
PO Box 51
Stony Brook, NY 11790-0051
Phone (631) 621-2744
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250408000078 | NY | Order and Referring Only - Clinical Psychologist | 3577087998 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 026592 | NY | MD | Physical Rehabilitation Occupational Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1743552000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788220800000",
"number": "1871397604",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 51",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "117900051",
"telephone_number": "631-621-2744"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "196 MEDFORD AVE",
"city": "PATCHOGUE",
"state": "NY",
"postal_code": "117721240",
"telephone_number": "631-621-2744"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GALLAGHER",
"first_name": "ARTHUR",
"name_prefix": "Dr.",
"credential": "PSYD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-04-02",
"last_updated": "2026-09-01",
"certification_date": "2026-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "NY",
"license": "026592",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Patchogue, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.