Active NPI
Rebecca Alzfan
- Family Nurse Practitioner
- New York, NY
National Provider Identifier
1790667954
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 355833
- Practice address
- 535 E 70TH St
New York, NY 10021-4823 - Phone
- (212) 606-1589
- NPI assigned
- Jul 21, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 | 355833 | NY | Primary |
Addresses
Primary practice location
535 E 70TH St
New York, NY 10021-4823
Mailing address
519 E 78TH St Apt 3B
New York, NY 10075-1168
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2024
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
575 Lexington Ave
New York, NY 10022-6150
PO Box
New York, NY 10087
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 355833 | NY | MD | Family Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1753056000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753056000000",
"number": "1790667954",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "519 E 78TH ST APT 3B",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100751168"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "535 E 70TH ST",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100214823",
"telephone_number": "212-606-1589"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALZFAN",
"first_name": "REBECCA",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-07-21",
"last_updated": "2025-07-21",
"certification_date": "2025-07-21",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "NY",
"license": "355833",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.