Active NPI
William Dycus, PH.D.
- Psychologist
- Oklahoma City, OK
National Provider Identifier
1649221896
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 3064
- Practice address
- 435 NW 19TH St
Oklahoma City, OK 73103-1911 - Phone
- (405) 343-9407
- NPI assigned
- May 12, 2006
- Last updated
- Sep 11, 2025
- 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 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cognitive & Behavioral Psychologist | 103TB0200X | 3064 | NC | |
| Clinical Psychologist | 103TC0700X | 3064 | NC | |
| Counseling Psychologist | 103TC1900X | 3064 | NC | |
| Clinical Child & Adolescent Psychologist | 103TC2200X | 3064 | NC | |
| Family Psychologist | 103TF0000X | 3064 | NC | |
| Psychologist | 103T00000X | 3064 | NC | Primary |
Addresses
Primary practice location
435 NW 19TH St
Oklahoma City, OK 73103-1911
Mailing address
435 NW 19TH St
Oklahoma City, OK 73103-1911
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 6000686 | Medicaid | NC |
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 Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3064 | NC | MD | Professional Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147392000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1649221896",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "435 NW 19TH ST",
"city": "OKLAHOMA CITY",
"state": "OK",
"postal_code": "731031911"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "435 NW 19TH ST",
"city": "OKLAHOMA CITY",
"state": "OK",
"postal_code": "731031911",
"telephone_number": "405-343-9407"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DYCUS",
"first_name": "WILLIAM",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-12",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103TB0200X",
"taxonomy_group": "",
"desc": "Psychologist, Cognitive & Behavioral",
"state": "NC",
"license": "3064",
"primary": false
},
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "NC",
"license": "3064",
"primary": false
},
{
"code": "103TC1900X",
"taxonomy_group": "",
"desc": "Psychologist, Counseling",
"state": "NC",
"license": "3064",
"primary": false
},
{
"code": "103TC2200X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical Child & Adolescent",
"state": "NC",
"license": "3064",
"primary": false
},
{
"code": "103TF0000X",
"taxonomy_group": "",
"desc": "Psychologist, Family",
"state": "NC",
"license": "3064",
"primary": false
},
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "NC",
"license": "3064",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "6000686",
"state": "NC"
}
],
"endpoints": [],
"other_names": []
}Other providers in Oklahoma City, OK
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.