Doctor profile · Federal record
Dr. Tammy Ouellette, PSY.D.
Clinical Psychologist · Clinical Neuropsychologist · Health Psychologist · Fullerton, CA
- NPI 1669432589
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1370 Brea Blvd Ste 210
Fullerton, CA 928354128
(714) 732-1773
fax (714) 441-1761 - Mailing address
-
1370 Brea Blvd, Suite 210
Fullerton, CA 928354125
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 1, 2024
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State licenses (2)
- California #PSY 20145 · California #PSY20145
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669432589. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
199
Distinct HCPCS
2
Medicare allowed
$30,544
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 186 | 16 | $152 | |
90791 |
Psychiatric diagnostic evaluation | 13 | 13 | $176 |
In context: peer comparison
Among 4 peers in Fullerton Clinical Psychologist, average services per provider: 260. This provider delivers 0.8× the peer median.Frequently asked questions
What is Dr. Tammy Ouellette's medical specialty?
Dr. Tammy Ouellette practices Clinical Psychologist in Fullerton, CA.
Where does Dr. Tammy Ouellette practice?
Dr. Tammy Ouellette practices at 1370 Brea Blvd Ste 210, Fullerton, CA 928354128. Office phone: 7147321773.
What is Dr. Tammy Ouellette's NPI?
Dr. Tammy Ouellette's National Provider Identifier (NPI) is 1669432589, issued by NPPES.
Does Dr. Tammy Ouellette accept Medicare assignment?
Yes. Dr. Tammy Ouellette accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Ouellette commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.