Active NPI
Zelik Frischer, M.D.
- Urology Physician
- East Setauket, NY
National Provider Identifier
1770525255
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- 158739
- Practice address
- 24 Research Way
Suite 500
East Setauket, NY 11733-3453 - Phone
- (631) 444-6270
- NPI assigned
- Jun 11, 2006
- 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 |
|---|---|---|---|---|
| Urology Physician | 208800000X | 158739 | NY | Primary |
Addresses
Primary practice location
24 Research Way
Suite 500
East Setauket, NY 11733-3453
Mailing address
PO Box 1559
Stony Brook, NY 11790-0989
Phone (631) 444-6270
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00958269 | Medicaid | NY | |
| 4592825 | Other | NY | AETNA |
| 72D95 | Other | NY | EMPIRE B/C B/S |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149984000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1770525255",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 1559",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "117900989",
"telephone_number": "631-444-6270"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "24 RESEARCH WAY",
"address_2": "SUITE 500",
"city": "EAST SETAUKET",
"state": "NY",
"postal_code": "117333453",
"telephone_number": "631-444-6270"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FRISCHER",
"first_name": "ZELIK",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-11",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "NY",
"license": "158739",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00958269",
"state": "NY"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA",
"identifier": "4592825",
"state": "NY"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "EMPIRE B/C B/S",
"identifier": "72D95",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}Other providers in East Setauket, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.