GWENDOLYN PRESTON FNP
NPI 1053752485
Nurse Practitioner - Psychiatric/Mental Health in Los Angeles, CA
About Gwendolyn Preston Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GWENDOLYN PRESTON FNP (NPI 1053752485) is an individual psychiatric/mental health provider in Los Angeles, California, licensed in California (21719) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gwendolyn Preston Fnp 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.
Medicare Billing Reassignment
Medicare enrollment records show Gwendolyn Preston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90005
- Reassigned Medicare billing, California enrollment
- 156 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90005
LOS ANGELES, CA 90005
LOS ANGELES, CA 90005
LOS ANGELES, CA 90005
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 Gwendolyn Preston's NPI number?
The NPI number for Gwendolyn Preston is 1053752485. It was assigned to this individual provider in the NPPES registry on July 15, 2013.
Where is Gwendolyn Preston located?
Gwendolyn Preston practices at 679 S New Hampshire Ave, Los Angeles, CA 90005. The listed phone number is (213) 639-0251.
What is Gwendolyn Preston's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Gwendolyn Preston enrolled in Medicare?
Yes. Gwendolyn Preston 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.
Which organization bills Medicare for Gwendolyn Preston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gwendolyn Preston reassigns Medicare benefits to Pacific Clinics (Los Angeles, CA). The 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 Gwendolyn Preston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gwendolyn Preston was last updated on October 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Gwendolyn Preston, FNP · NPI 1053752485
Psychiatric/Mental Health physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 15, 2013.
## Identity
- **NPI:** 1053752485 (Entity type: Individual)
- **Enumerated:** July 15, 2013
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 21719 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 679 S NEW HAMPSHIRE AVE, Los Angeles, CA 90005-1355
- **Phone:** (213) 639-0251
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pacific Clinics (NPI 1659038180, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 23, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1053752485) · Data from the CMS NPPES public registry.