Active NPI
Jeffrey Michael Brensilver, MD
- Internal Medicine Physician
- New Rochelle, NY
National Provider Identifier
1861452039
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 113064
- Practice address
- 16 Guion PL
New Rochelle, NY 10801-5503 - Phone
- (914) 632-5000
- NPI assigned
- Mar 23, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 113064 | NY | Primary |
| Nephrology Physician | 207RN0300X | 113064 | NY |
Addresses
Primary practice location
16 Guion PL
New Rochelle, NY 10801-5503
Mailing address
PO Box 1019
Spring Valley, NY 10977-0819
Phone (914) 637-1357
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00204908 | Medicaid | NY |
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
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 113064 | NY | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New Rochelle Medical Services, PC Division of OBGYN | Past | Accepting new patients | |
| Richard G. Karanfilian, M.D.,P.C. | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Obstetrics & Gynecology Physician
- New Rochelle, NY
- NPI 1033183132
-
- Vascular Surgery Physician
- New Rochelle, NY
- NPI 1508020082
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143072000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1861452039",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 1019",
"city": "SPRING VALLEY",
"state": "NY",
"postal_code": "109770819",
"telephone_number": "914-637-1357"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16 GUION PL",
"city": "NEW ROCHELLE",
"state": "NY",
"postal_code": "108015503",
"telephone_number": "914-632-5000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BRENSILVER",
"first_name": "JEFFREY",
"middle_name": "MICHAEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "113064",
"primary": true
},
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "NY",
"license": "113064",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00204908",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}
Other providers in New Rochelle, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.