Doctor profile · Federal record
Dr. Gil Grattan, PSY.D.
Clinical Psychologist · Pasadena, CA
- NPI 1578996872
- Accepts Medicare
- 20 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
446 S Marengo Ave, Suite A
Pasadena, CA 911013113
(818) 317-8866
Credentials & registration
- NPI registered
- August 2013 — 13 yrs on file
- Profile last updated
- December 26, 2015
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- California #PSY25878
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578996872. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,864
Distinct HCPCS
4
Medicare allowed
$288,173
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 1,915 | 265 | $91 | |
90834 |
Psychotherapy, 45 minutes | 687 | 42 | $105 | |
90791 |
Psychiatric diagnostic evaluation | 249 | 240 | $156 | |
90791 |
Psychiatric diagnostic evaluation | 13 | 12 | $185 |
In context: peer comparison
Among 11 peers in Pasadena Clinical Psychologist, average services per provider: 607. This provider delivers 4.7× the peer median.Frequently asked questions
What is Dr. Gil Grattan's medical specialty?
Dr. Gil Grattan practices Clinical Psychologist in Pasadena, CA.
Where does Dr. Gil Grattan practice?
Dr. Gil Grattan practices at 446 S Marengo Ave, Pasadena, CA 911013113. Office phone: 8183178866.
What is Dr. Gil Grattan's NPI?
Dr. Gil Grattan's National Provider Identifier (NPI) is 1578996872, issued by NPPES.
Does Dr. Gil Grattan accept Medicare assignment?
Yes. Dr. Gil Grattan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gil Grattan commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.