Active NPI
William Lee Hook Jr., D.M.D., M.S.D.
- Orthodontics and Dentofacial Orthopedics Dentistry
- Gap, PA
National Provider Identifier
1073595302
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthodontics and Dentofacial Orthopedics Dentistry
- License
- DS018645L
- Practice address
- 91 Newport Pike
Suite 304
Gap, PA 17527-9579 - Phone
- (717) 442-3639
- Fax
- (171) 442-4281
- NPI assigned
- Nov 14, 2005
- 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 |
|---|---|---|---|---|
| Orthodontics and Dentofacial Orthopedics Dentistry | 1223X0400X | DS018645L | PA | Primary |
Addresses
Primary practice location
91 Newport Pike
Suite 304
Gap, PA 17527-9579
Mailing address
91 Newport Pike
Suite 304
Gap, PA 17527-9579
Phone (717) 442-3639
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DS018645L | PA | MD | Orthodontics and Dentofacial Orthopedic Dentist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Friendly Smiles Orthodontics LLC | Orthodontics and Dentofacial Orthopedics | Past | Accepting new patients |
| Dr. William L. Hook DMD PC | Orthodontics and Dentofacial Orthopedics | 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.
-
- Orthodontics and Dentofacial Orthopedics Dentistry
- Gap, PA
- NPI 1720459027
Orthodontics and Dentofacial Orthopedics
-
- Orthodontics and Dentofacial Orthopedics Dentistry
- Gap, PA
- NPI 1730550229
Orthodontics and Dentofacial Orthopedics
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1131926400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1073595302",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "91 NEWPORT PIKE",
"address_2": "SUITE 304",
"city": "GAP",
"state": "PA",
"postal_code": "175279579",
"telephone_number": "717-442-3639",
"fax_number": "171-442-4281"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "91 NEWPORT PIKE",
"address_2": "SUITE 304",
"city": "GAP",
"state": "PA",
"postal_code": "175279579",
"telephone_number": "717-442-3639",
"fax_number": "171-442-4281"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOOK",
"first_name": "WILLIAM",
"middle_name": "LEE",
"name_suffix": "Jr.",
"credential": "D.M.D., M.S.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1223X0400X",
"taxonomy_group": "",
"desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
"state": "PA",
"license": "DS018645L",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Gap, PA
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.