Active NPI
Alan I Harris, M.D.
- Gastroenterology Physician
- Syosset, NY
National Provider Identifier
1821026006
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 116565
- Practice address
- 25 Cedarfield Rd
Syosset, NY 11791-1416 - Phone
- (516) 692-4067
- Fax
- (516) 692-4067
- NPI assigned
- Jun 28, 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 |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 116565 | NY | Primary |
Addresses
Primary practice location
25 Cedarfield Rd
Syosset, NY 11791-1416
Mailing address
25 Cedarfield Rd
Syosset, NY 11791-1416
Phone (516) 692-4067
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00416106 | Medicaid | NY | |
| 116565 | Other | NY | LICENSE NUMBER |
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: Yes
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": "1151452800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1748563200000",
"number": "1821026006",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "25 CEDARFIELD RD",
"city": "SYOSSET",
"state": "NY",
"postal_code": "117911416",
"telephone_number": "516-692-4067",
"fax_number": "516-692-4067"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25 CEDARFIELD RD",
"city": "SYOSSET",
"state": "NY",
"postal_code": "117911416",
"telephone_number": "516-692-4067",
"fax_number": "516-692-4067"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HARRIS",
"first_name": "ALAN",
"middle_name": "I",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-28",
"last_updated": "2025-05-30",
"certification_date": "2025-05-30",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "NY",
"license": "116565",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00416106",
"state": "NY"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "LICENSE NUMBER",
"identifier": "116565",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}Other providers in Syosset, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 30, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.