Doctor profile · Federal record
Dr. Gertrudes Hernandez, PHD
Clinical Psychologist · Walnut Creek, CA
- NPI 1821259953
- Accepts Medicare
- 36 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2815 Mitchell Dr Ste 119
Walnut Creek, CA 945981622
(510) 301-8655
fax (949) 757-2537
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- July 27, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- California #PSY23706
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821259953. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
234
Distinct HCPCS
2
Medicare allowed
$34,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 167 | 20 | $164 | |
90834 |
Psychotherapy, 45 minutes | 67 | 12 | $112 |
In context: peer comparison
Among 5 peers in Walnut Creek Clinical Psychologist, average services per provider: 128. This provider delivers 1.8× the peer median.Frequently asked questions
What is Dr. Gertrudes Hernandez's medical specialty?
Dr. Gertrudes Hernandez practices Clinical Psychologist in Walnut Creek, CA.
Where does Dr. Gertrudes Hernandez practice?
Dr. Gertrudes Hernandez practices at 2815 Mitchell Dr Ste 119, Walnut Creek, CA 945981622. Office phone: 5103018655.
What is Dr. Gertrudes Hernandez's NPI?
Dr. Gertrudes Hernandez's National Provider Identifier (NPI) is 1821259953, issued by NPPES.
Does Dr. Gertrudes Hernandez accept Medicare assignment?
Yes. Dr. Gertrudes Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gertrudes Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.