Active NPI
Leslie Walter, MD
- Internal Medicine Physician
- Bronx, NY
National Provider Identifier
1912001249
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 106113
- Practice address
- 75 E Gun Hill Rd
Bronx, NY 10467-2103 - Phone
- (718) 655-1313
- Fax
- (718) 655-3873
- NPI assigned
- Sep 8, 2006
- Last updated
- Jul 15, 2026
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 106113 | NY | Primary |
| Nephrology Physician | 207RN0300X | 106113 | NY |
Addresses
Primary practice location
75 E Gun Hill Rd
Bronx, NY 10467-2103
Mailing address
50 Lovell Rd
New Rochelle, NY 10804-2117
Phone (718) 655-1313
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00186030 | Medicaid | NY |
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: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20100803000443 | NY | Practitioner - Internal Medicine | 9032242698 | Practice locations: Bronx, NY |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- State University of New York Downstate Medical Center, 1969
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
75 E Gun Hill Rd
Bronx, NY 10467-2103
Phone (718) 655-1313
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 106113 | NY | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Laconia Nursing Home Inc. | Past | Accepting new patients | |
| Montefiore Medical Center | Past | Accepting new patients |
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Skilled Nursing Facility
- Bronx, NY
- NPI 1457435877
-
- General Acute Care Hospital
- Bronx, NY
- NPI 1952476988
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Brooklyn, NY
- NPI 1699165811
Dialysis facility
-
dba Advent Renal Care
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Bronx, NY
- NPI 1407587017
Dialysis facility
-
- General Acute Care Hospital
- Bronx, NY
- NPI 1952476988
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1157673600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784073600000",
"number": "1912001249",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "50 LOVELL RD",
"city": "NEW ROCHELLE",
"state": "NY",
"postal_code": "108042117",
"telephone_number": "718-655-1313",
"fax_number": "718-655-3873"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "75 E GUN HILL RD",
"city": "BRONX",
"state": "NY",
"postal_code": "104672103",
"telephone_number": "718-655-1313",
"fax_number": "718-655-3873"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALTER",
"first_name": "LESLIE",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-09-08",
"last_updated": "2026-07-15",
"certification_date": "2026-07-15",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "106113",
"primary": true
},
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "NY",
"license": "106113",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00186030",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}Other providers in Bronx, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.