Active NPI
Sarah Houser Siok, PHARMD
- Pharmacist
- Milford, DE
National Provider Identifier
1699050401
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pharmacist
- License
- A1-0003831
- Practice address
- 648 NW Front St
Milford, DE 19963-1033 - Phone
- (302) 424-6300
- Fax
- (302) 424-6308
- NPI assigned
- Oct 13, 2011
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Pharmacist | 183500000X | A1-0003831 | DE | Primary |
Addresses
Primary practice location
648 NW Front St
Milford, DE 19963-1033
Mailing address
424 Savannah Rd
Lewes, DE 19958-1462
Phone (026) 453-1003
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 |
|---|---|---|---|
| A1-0003831 | DE | MD | Pharmacist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Walgreen Co | Past | Accepting new patients | |
| Walgreen Co | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Pharmacy
- Milford, DE
- NPI 1750301552
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- Pharmacy
- Longview, TX
- NPI 1629956545
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1318464000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751932800000",
"number": "1699050401",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "424 SAVANNAH RD",
"city": "LEWES",
"state": "DE",
"postal_code": "199581462",
"telephone_number": "026-453-1003"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "648 NW FRONT ST",
"city": "MILFORD",
"state": "DE",
"postal_code": "199631033",
"telephone_number": "302-424-6300",
"fax_number": "302-424-6308"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIOK",
"first_name": "SARAH",
"middle_name": "HOUSER",
"name_prefix": "Dr.",
"credential": "PHARMD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2011-10-13",
"last_updated": "2025-07-08",
"certification_date": "2025-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "DE",
"license": "A1-0003831",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Milford, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 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.