Active NPI
Danielle Walthers, NP
- Family Nurse Practitioner
- Islip, NY
National Provider Identifier
1174398085
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- F352925-01
- Practice address
- 712 Main St
Islip, NY 11751-3620 - Phone
- (631) 666-3939
- NPI assigned
- Nov 20, 2023
- 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 |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | F352925-01 | NY | Primary |
Addresses
Primary practice location
712 Main St
Islip, NY 11751-3620
Mailing address
35 Kahn LN
West Babylon, NY 11704-7226
Phone (631) 786-0817
Other names 1
- Danielle McMahon
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700
77 Medford Ave
Patchogue, NY 11772-1281
Phone (631) 758-1910
Hospital & facility affiliations
- NYU Langone Hospitals
- NS/Lij HS Southside Hospital
- North Shore University Hospital
- Long Island Jewish Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| F352925-01 | NY | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New York University | Current | Accepting new patients | |
| New York University | Current | Accepting new patients |
Locations
712 Main St
Islip, NY 11751
Phone (631) 666-3939
14 Wall St
Fl 9
Wall Street, NY 10005
Phone (646) 501-3224
Networks
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
Interoperability endpoints
- dmcmahon616347@nyumc.direct-ci.com
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.
-
- Physical Medicine & Rehabilitation Physician
- Boynton Beach, FL
- NPI 1104787613
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New Hyde Park, NY
- NPI 1285641514
-
- General Acute Care Hospital
- Manhasset, NY
- NPI 1366459570
-
- Rehabilitation Hospital Unit
- New York, NY
- NPI 1275632895
-
- General Acute Care Hospital
- Mineola, NY
- NPI 1427616002
-
- General Acute Care Hospital
- Brooklyn, NY
- NPI 1619341716
-
- General Acute Care Hospital
- New York, NY
- NPI 1669578324
-
- General Acute Care Hospital
- New York, NY
- NPI 1801992631
-
- General Acute Care Hospital
- Bay Shore, NY
- NPI 1457369381
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1700438400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749168000000",
"number": "1174398085",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "35 KAHN LN",
"city": "WEST BABYLON",
"state": "NY",
"postal_code": "117047226",
"telephone_number": "631-786-0817"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "712 MAIN ST",
"city": "ISLIP",
"state": "NY",
"postal_code": "117513620",
"telephone_number": "631-666-3939"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALTHERS",
"first_name": "DANIELLE",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-11-20",
"last_updated": "2025-06-06",
"certification_date": "2025-06-06",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "NY",
"license": "F352925-01",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "DANIELLE",
"last_name": "MCMAHON",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Islip, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 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.
- 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.