Doctor profile · Federal record
Dr. Kathleen Williams, PH.D.
Clinical Psychologist · Glendale, CA
- NPI 1124158449
- 19 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
116 N Maryland Ave Ste 200
Glendale, CA 912064270
(818) 247-4751
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- March 15, 2026
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- California #PSY12786
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124158449. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
257
Distinct HCPCS
1
Medicare allowed
$27,044
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 257 | 11 | $105 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 349. This provider delivers 0.7× the peer median.Frequently asked questions
What is Dr. Kathleen Williams's medical specialty?
Dr. Kathleen Williams practices Clinical Psychologist in Glendale, CA.
Where does Dr. Kathleen Williams practice?
Dr. Kathleen Williams practices at 116 N Maryland Ave Ste 200, Glendale, CA 912064270. Office phone: 8182474751.
What is Dr. Kathleen Williams's NPI?
Dr. Kathleen Williams's National Provider Identifier (NPI) is 1124158449, issued by NPPES.
What procedures does Dr. Kathleen Williams commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.