GERONTOLOGI
NPI 1407449374
Nurse Practitioner - Psychiatric/Mental Health in Mission Viejo, CA
About Gerontologi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GERONTOLOGI (NPI 1407449374) is a healthcare organization registered as a psychiatric/mental health in Mission Viejo, California and active in the NPI registry since February 2021. The organization lists Summer Brown, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gerontologi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Gerontologi, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Summer Brown, A Nursing Corporation's NPI number?
The NPI number for Summer Brown, A Nursing Corporation is 1407449374. It was assigned to this organization in the NPPES registry on February 11, 2021. The provider is doing business as Gerontologi.
Where is Summer Brown, A Nursing Corporation located?
Summer Brown, A Nursing Corporation is located at 24351 Regina St, Mission Viejo, CA 92691. The listed phone number is (714) 655-3365.
What is Summer Brown, A Nursing Corporation's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Summer Brown, A Nursing Corporation enrolled in Medicare?
Yes. Summer Brown, A Nursing Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Summer Brown, A Nursing Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Summer Brown, A Nursing Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Summer Brown, A Nursing Corporation was last updated on October 4, 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.
# Gerontologi · NPI 1407449374
Psychiatric/Mental Health organization in Mission Viejo, California. Organization record, active in the CMS NPPES registry since February 11, 2021.
## Identity
- **NPI:** 1407449374 (Entity type: Organization)
- **Enumerated:** February 11, 2021
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Legal business name:** Summer Brown, A Nursing Corporation
- **Organization subpart:** No
- **Authorized official:** Summer Brown, PRESIDENT
## Practice location
- **Address:** 24351 REGINA ST, Mission Viejo, CA 92691-4714
- **Phone:** (714) 655-3365
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 4, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1407449374) · Data from the CMS NPPES public registry.