Active NPI
Leonid Lev Topper, MD
- Neurology with Special Qualifications in Child Neurology Physician
- Warren, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology with Special Qualifications in Child Neurology Physician
- License
- 25MA07962300
- Practice address
- 34 Mountain Blvd Ste B
Warren, NJ 07059-2640 - Phone
- (908) 769-2574
- NPI assigned
- Oct 5, 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 |
|---|---|---|---|---|
| Neurology with Special Qualifications in Child Neurology Physician | 2084N0402X | 25MA07962300 | NJ | Primary |
Addresses
Primary practice location
34 Mountain Blvd Ste B
Warren, NJ 07059-2640
Mailing address
34 Mountain Blvd Ste B
Warren, NJ 07059-2640
Phone (908) 769-2574
Other practice location 1
1601 NW 12th Ave
Miami, FL 33136-1005
Phone (305) 243-3100
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, NJ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 001729 | NY | MD | Marriage & Family Therapist |
| 25MA07962300 | NJ | MD | Neurology with Special Qualifications in Child Neurology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Physician Affiliate Group of New York PC | Current | Accepting new patients | |
| Advocare , LLC | Current | Accepting new patients | |
| Downtown Bronx Medical Associates PC | Current | Accepting new patients | |
| Summit Medical Group PA | Current | Accepting new patients | |
| Harlem Medical Associates PC | Current | Accepting new patients | |
| Advocare, LLC | Current | Accepting new patients | |
| Summit Medical Group PA | Current | Accepting new patients | |
| Summit Medical Group, Inc | Past | Accepting new patients | |
| North Shore-Lij Medical PC | Past | Accepting new patients |
Locations
1 Diamond Hill Rd
Berkeley Heights, NJ 07922
Phone (908) 277-8868
132 Grove St
Ste A
Haddonfield, NJ 08033
Phone (856) 354-2211
402 Lippincott Dr
Marlton, NJ 08053
Phone (410) 763-8787
25 Lindsley Dr
Ste 205
Morristown, NJ 07960
Phone (973) 993-8777
150 Floral Ave
New Providence, NJ 07974
Phone (908) 588-3890
34 Mountain Blvd
Ste B
Warren, NJ 07059
Phone (908) 561-8600
234 Eugenio Maria de Hosto Blvd
Bronx, NY 10451
Phone (718) 579-5874
2601 Ocean Pkwy
Brooklyn, NY 11235
Phone (718) 616-5354
506 Malcolm X Blvd
New York, NY 10037
Phone (212) 939-1000
45 Research Way
Ste 206
Setauket, NY 11733
Phone (631) 575-9300
Networks
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H9678
Interoperability endpoints
- leonid.topper.1@2983.direct.athenahealth.com
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Pediatrics Physician
- Marlton, NJ
- NPI 1770538696
-
- Multi-Specialty Clinic/Center
- Berkeley Heights, NJ
- NPI 1942254347
-
- Emergency Medical Services (Emergency Medicine) Physician
- Bronx, NY
- NPI 1689618407
-
- General Practice Physician
- New York, NY
- NPI 1487957692
-
- Registered Dietitian
- New York, NY
- NPI 1013375526
-
dba Advocare Berlin Medical Associates (DME)
- Internal Medicine Physician
- Manahawkin, NJ
- NPI 1912762162
-
- Durable Medical Equipment & Medical Supplies
- Hackensack, NJ
- NPI 1043930555
-
dba NHPP Cardiology at Great Neck
- Urology Physician
- Great Neck, NY
- NPI 1053688572
-
dba St. Elizabeth Physicians
- Family Medicine Physician
- Erlanger, KY
- NPI 1750343216
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160006400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759363200000",
"number": "1851487193",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "34 MOUNTAIN BLVD STE B",
"city": "WARREN",
"state": "NJ",
"postal_code": "070592640",
"telephone_number": "908-769-2574"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "34 MOUNTAIN BLVD STE B",
"city": "WARREN",
"state": "NJ",
"postal_code": "070592640",
"telephone_number": "908-769-2574"
}
],
"practiceLocations": [
{
"address_1": "1601 NW 12th Ave",
"address_purpose": "LOCATION",
"city": "Miami",
"state": "FL",
"postal_code": "331361005",
"country_code": "US",
"telephone_number": "305-243-3100",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TOPPER",
"first_name": "LEONID",
"middle_name": "LEV",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-05",
"last_updated": "2025-10-02",
"certification_date": "2025-10-02",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0402X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
"state": "NJ",
"license": "25MA07962300",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Warren, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 2025; 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.