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GERTRUDES AQUINO HERNANDEZ PHD
NPI 1821259953
Psychologist - Clinical in Walnut Creek, CA

Active since June 20, 2008PECOS EnrolledAccepts Medicare Assignment
2815 MITCHELL DR STE 119, WALNUT CREEK, CA 94598(510) 301-8655(949) 757-2537 Get Directions Write a Review

NPPES record last updated: July 27, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 27, 2021, Jul 19, 2018 (2 updates tracked since 2018).

About Gertrudes Aquino Hernandez Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GERTRUDES AQUINO HERNANDEZ PHD (NPI 1821259953) is an individual clinical provider in Walnut Creek, California, licensed in California (PSY23706) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1821259953
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameGERTRUDES AQUINO HERNANDEZCredential: PHD
Location Address2815 MITCHELL DR STE 119Walnut Creek, CA 94598-1622
Mailing Address2815 Mitchell Dr Ste 119Walnut Creek, CA 94598-1622 · (510) 301-8655 · Fax (949) 757-2537
Phone(510) 301-8655
Fax(949) 757-2537
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateJune 20, 2008
Last NPPES UpdateJuly 27, 20212 updates tracked since enumeration
NPPES CertifiedJuly 27, 2021
✔ NPI 1821259953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY23706
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
2815 MITCHELL DR STE 119, Walnut Creek, CA 94598
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Other Names 1

Former Name (1)Vida Gertrudes Aquino Hernandez Phd

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gertrudes Aquino Hernandez Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648442814
PECOS Enrollment IDI20111012000144
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
163 services21 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
114 services15 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
55 services13 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASPIRE NEURO PSYCHOLOGICAL SERVICES, INC.
Clinical Neuropsychologist
2815 MITCHELL DR STE 119
WALNUT CREEK, CA 94598
Contra Costa County (925) 885-6070
JAIMELEE MARIE ROBERTS LMFT
Marriage & Family Therapist
2815 MITCHELL DR STE 119
WALNUT CREEK, CA 94598
Contra Costa County (925) 885-6070
DR. SIDNEY NICOLE GARDNER COLE
Psychologist (Clinical)
2815 MITCHELL DR STE 119
WALNUT CREEK, CA 94598
Contra Costa County (562) 965-2806
DR. KEIKO YAFA MILLER PSY.D., MSCP
Psychologist (Clinical)
2815 MITCHELL DR STE 119
WALNUT CREEK, CA 94598
Contra Costa County (925) 885-6070

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gertrudes Hernandez's NPI number?

The NPI number for Gertrudes Hernandez is 1821259953. It was assigned to this individual provider in the NPPES registry on June 20, 2008. The provider is also known as Vida Gertrudes Aquino Hernandez Phd.

Where is Gertrudes Hernandez located?

Gertrudes Hernandez practices at 2815 Mitchell Dr Ste 119, Walnut Creek, CA 94598. The listed phone number is (510) 301-8655.

What is Gertrudes Hernandez's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Gertrudes Hernandez enrolled in Medicare?

Yes. Gertrudes Hernandez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gertrudes Hernandez was last updated on July 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.