Active NPI
Benjamin Ascherman
- Hematology & Oncology Physician
- New York, NY
National Provider Identifier
1841828829
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 323421
- Practice address
- 12 E 86TH St
New York, NY 10028-0506 - Phone
- (212) 434-2000
- NPI assigned
- Mar 27, 2020
- Last updated
- Jul 20, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | 323421 | NY | Primary |
Addresses
Primary practice location
12 E 86TH St
New York, NY 10028-0506
Mailing address
1 Research Rd
Ridge, NY 11961-2701
Phone (631) 751-3000
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
- Internal Medicine
- Education
- Columbia University College of Physicians and Surgeons, 2020
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
1 Research Rd
Ridge, NY 11961-2701
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| North Shore Hematology Oncology Associates PC | Current | Accepting new patients |
Locations
1 Research Rd
Ridge, NY 11961
Interoperability endpoints
- bascherman70972@northwell.direct-ci.com
Organizations & group practices 1
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.
-
- Specialist
- Port Jefferson Station, NY
- NPI 1396794574
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1585267200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784505600000",
"number": "1841828829",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1 RESEARCH RD",
"city": "RIDGE",
"state": "NY",
"postal_code": "119612701",
"telephone_number": "631-751-3000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "12 E 86TH ST",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100280506",
"telephone_number": "212-434-2000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ASCHERMAN",
"first_name": "BENJAMIN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-03-27",
"last_updated": "2026-07-20",
"certification_date": "2026-07-20",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "NY",
"license": "323421",
"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 20, 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.