Active NPI
Isabelle Siegel, PSY.D.
- Clinical Psychologist
- Monmouth Junction, NJ
National Provider Identifier
1124938196
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 263-070
- Practice address
- 939 Ridge Rd
Monmouth Junction, NJ 08852-3200 - Phone
- (609) 497-3936
- NPI assigned
- Sep 10, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 263-070 | NJ | Primary |
Addresses
Primary practice location
939 Ridge Rd
Monmouth Junction, NJ 08852-3200
Mailing address
939 Ridge Rd
Monmouth Junction, NJ 08852-3200
Phone (609) 497-3936
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788998400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788998400000",
"number": "1124938196",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "939 RIDGE RD",
"city": "MONMOUTH JUNCTION",
"state": "NJ",
"postal_code": "088523200",
"telephone_number": "609-497-3936"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "939 RIDGE RD",
"city": "MONMOUTH JUNCTION",
"state": "NJ",
"postal_code": "088523200",
"telephone_number": "609-497-3936"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIEGEL",
"first_name": "ISABELLE",
"name_prefix": "Dr.",
"credential": "PSY.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-09-10",
"last_updated": "2026-09-10",
"certification_date": "2026-09-10",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "NJ",
"license": "263-070",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Monmouth Junction, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.