Active NPI
Ian Anton Passwaters, PHARMD
- Pharmacist
- Seaford, DE
National Provider Identifier
1275477358
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pharmacist
- License
- A1-0005291
- Practice address
- 801 Middleford Rd
Seaford, DE 19973-3636 - Phone
- (302) 629-6611
- NPI assigned
- Apr 17, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pharmacist | 183500000X | 20165 | MD | |
| Pharmacist | 183500000X | A1-0005291 | DE | Primary |
Addresses
Primary practice location
801 Middleford Rd
Seaford, DE 19973-3636
Mailing address
801 Middleford Rd
Seaford, DE 19973-3636
Phone (302) 629-6611
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 Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A1-0005291 | DE | MD | Pharmacist |
| 20165 | MD | MD | Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1776384000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776384000000",
"number": "1275477358",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "801 MIDDLEFORD RD",
"city": "SEAFORD",
"state": "DE",
"postal_code": "199733636",
"telephone_number": "302-629-6611"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 MIDDLEFORD RD",
"city": "SEAFORD",
"state": "DE",
"postal_code": "199733636",
"telephone_number": "302-629-6611"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PASSWATERS",
"first_name": "IAN",
"middle_name": "ANTON",
"name_prefix": "Dr.",
"credential": "PHARMD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-04-17",
"last_updated": "2026-04-17",
"certification_date": "2026-04-17",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "MD",
"license": "20165",
"primary": false
},
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "DE",
"license": "A1-0005291",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Seaford, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.