Active NPI
Marc I Lipkus, PSYD.
- Psychologist
- Morris Plains, NJ
National Provider Identifier
1720142987
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 35SI00200700
- Practice address
- 30 Ellis Drive
Greystone Park Psychiatric Hospital
Morris Plains, NJ 07950 - Phone
- (973) 538-1800
- NPI assigned
- Dec 21, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychologist | 103T00000X | 35SI00200700 | NJ | Primary |
| Clinical Psychologist | 103TC0700X | 35SI00200700 | NJ | |
| Health Service Psychologist | 103TH0100X | 35SI00200700 | NJ |
Addresses
Primary practice location
30 Ellis Drive
Greystone Park Psychiatric Hospital
Morris Plains, NJ 07950
Mailing address
30 Ellis Drive
Greystone Park Psychiatric Hospital
Morris Plains, NJ 07950
Phone (973) 538-1800
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 35SI00200700 | NJ | MD | Health Service Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1166659200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1720142987",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "30 ELLIS DRIVE",
"address_2": "GREYSTONE PARK PSYCHIATRIC HOSPITAL",
"city": "MORRIS PLAINS",
"state": "NJ",
"postal_code": "07950",
"telephone_number": "973-538-1800"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "30 ELLIS DRIVE",
"address_2": "GREYSTONE PARK PSYCHIATRIC HOSPITAL",
"city": "MORRIS PLAINS",
"state": "NJ",
"postal_code": "07950",
"telephone_number": "973-538-1800"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LIPKUS",
"first_name": "MARC",
"middle_name": "I",
"name_prefix": "Dr.",
"credential": "PSYD.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-12-21",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "NJ",
"license": "35SI00200700",
"primary": true
},
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "NJ",
"license": "35SI00200700",
"primary": false
},
{
"code": "103TH0100X",
"taxonomy_group": "",
"desc": "Psychologist, Health Service",
"state": "NJ",
"license": "35SI00200700",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Morris Plains, NJ
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.