Active NPI
Alyssa Korenstein, MD
- Family Medicine Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 303024
- Practice address
- 25 Hudson St
New York, NY 10013-3802 - Phone
- (888) 663-6331
- Fax
- (415) 252-7176
- NPI assigned
- Apr 17, 2017
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 0000000 | AZ | |
| Family Medicine Physician | 207Q00000X | 303024 | NY | Primary |
Addresses
Primary practice location
25 Hudson St
New York, NY 10013-3802
Mailing address
129 W 29TH St FL 10
New York, NY 10001-5105
Phone (415) 658-6791
Other practice location 1
1300 N 12th St
suite 605
Phoenix, AZ 85006-2848
Phone (602) 839-5271
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
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- University of Arizona College of Medicine, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
25 Hudson St
New York, NY 10013-3919
Phone (888) 663-6331
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0000000 | AZ | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Montefiore Medical Center | Current | Accepting new patients | |
| One Medical of Ny, P.C. | Family Medicine | Current | Accepting new patients |
| Montefiore Medical Center | Current | Accepting new patients |
Locations
111 E 210th St
Bronx, NY 10467
919 3rd Ave
Ste 105
New York, NY 10022
Phone (212) 530-0650
25 Hudson St
New York, NY 10013
Phone (212) 441-4401
Organizations & group practices 3
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.
-
- Family Medicine Physician
- New York, NY
- NPI 1861709487
-
- Anesthesiology Physician
- Bronx, NY
- NPI 1063525152
-
- Community/Retail Pharmacy
- Bronx, NY
- NPI 1194183715
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1492387200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1742342400000",
"number": "1801320825",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "129 W 29TH ST FL 10",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100015105",
"telephone_number": "415-658-6791",
"fax_number": "415-520-0904"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25 HUDSON ST",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100133802",
"telephone_number": "888-663-6331",
"fax_number": "415-252-7176"
}
],
"practiceLocations": [
{
"address_1": "1300 N 12th St",
"address_2": "suite 605",
"address_purpose": "LOCATION",
"city": "Phoenix",
"state": "AZ",
"postal_code": "850062848",
"country_code": "US",
"telephone_number": "602-839-5271",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KORENSTEIN",
"first_name": "ALYSSA",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-04-17",
"last_updated": "2025-03-19",
"certification_date": "2025-03-19",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "AZ",
"license": "0000000",
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "NY",
"license": "303024",
"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 Mar 19, 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.