Active NPI
John Matthew Sawicki, D.O.
- Child & Adolescent Psychiatry Physician
- Manhasset, NY
National Provider Identifier
1578772810
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child & Adolescent Psychiatry Physician
- License
- 235866
- Practice address
- 75 Plandome Rd
Suite 21
Manhasset, NY 11030-2301 - Phone
- (516) 562-9320
- NPI assigned
- May 22, 2007
- Last updated
- Sep 11, 2025
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 235866 | NY | |
| Child & Adolescent Psychiatry Physician | 2084P0804X | 235866 | NY | Primary |
Addresses
Primary practice location
75 Plandome Rd
Suite 21
Manhasset, NY 11030-2301
Mailing address
75 Plandome Rd
Suite 21
Manhasset, NY 11030-2301
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 Osteopathy
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1179792000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1578772810",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "75 PLANDOME RD",
"address_2": "SUITE 21",
"city": "MANHASSET",
"state": "NY",
"postal_code": "110302301"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "75 PLANDOME RD",
"address_2": "SUITE 21",
"city": "MANHASSET",
"state": "NY",
"postal_code": "110302301",
"telephone_number": "516-562-9320"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SAWICKI",
"first_name": "JOHN",
"middle_name": "MATTHEW",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-05-22",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "NY",
"license": "235866",
"primary": false
},
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "NY",
"license": "235866",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Manhasset, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.