Active NPI
Fenella Greig, M.D.
- Pediatric Allergy/Immunology Physician
- New York, NY
National Provider Identifier
1871562470
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Allergy/Immunology Physician
- License
- 138843
- Practice address
- 1 Gustave L Levy PL
Box 1200
New York, NY 10029-6500 - Phone
- (212) 241-9464
- NPI assigned
- Mar 16, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Allergy/Immunology Physician | 2080P0201X | 138843 | NY | Primary |
Addresses
Primary practice location
1 Gustave L Levy PL
Box 1200
New York, NY 10029-6500
Mailing address
1 Gustave L Levy PL
Box 1200
New York, NY 10029-6500
Phone (212) 241-9464
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)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 138843 | NY | MD | Pediatric Allergy/Immunology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1142467200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1871562470",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1 GUSTAVE L LEVY PL",
"address_2": "BOX 1200",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100296500",
"telephone_number": "212-241-9464"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1 GUSTAVE L LEVY PL",
"address_2": "BOX 1200",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100296500",
"telephone_number": "212-241-9464"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GREIG",
"first_name": "FENELLA",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-16",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080P0201X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Allergy/Immunology",
"state": "NY",
"license": "138843",
"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 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.