Doctor profile · Federal record
Dr. John Powell, PH.D.
Clinical Psychologist · Clinical Neuropsychologist · Olympia, WA
- NPI 1194793737
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2118 Caton Way Sw
Olympia, WA 98502
(360) 352-4602
fax (360) 352-3289
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 22, 2018
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Washington #2082
- Medicaid
- WA #2048911
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194793737. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
239
Distinct HCPCS
1
Medicare allowed
$31,069
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 239 | 19 | $130 |
In context: peer comparison
Among 4 peers in Olympia Clinical Psychologist, average services per provider: 172. This provider delivers 1.4× the peer median.Frequently asked questions
What is Dr. John Powell's medical specialty?
Dr. John Powell practices Clinical Psychologist in Olympia, WA.
Where does Dr. John Powell practice?
Dr. John Powell practices at 2118 Caton Way Sw, Olympia, WA 98502. Office phone: 3603524602.
What is Dr. John Powell's NPI?
Dr. John Powell's National Provider Identifier (NPI) is 1194793737, issued by NPPES.
Does Dr. John Powell accept Medicare assignment?
Dr. John Powell does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. John Powell commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.