MRS. SUMMER RHIANNON HOLDEN PMHNP-BC
NPI 1285827949
Nurse Practitioner - Psychiatric/Mental Health in Los Angeles, CA
About Mrs. Summer Rhiannon Holden Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SUMMER RHIANNON HOLDEN PMHNP-BC (NPI 1285827949) is an individual psychiatric/mental health provider in Los Angeles, California, licensed in New York (F403012) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Mrs. Summer Rhiannon Holden Pmhnp-bc 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 Reassignments
3Medicare enrollment records show Summer Holden reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hollywood, CA 90046
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, New York enrollment
- 59 clinicians in this Medicare group
Mason, OH 45040
- Reassigned Medicare billing, Ohio enrollment
- 31 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90025 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 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
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 Holden's NPI number?
The NPI number for Summer Holden is 1285827949. It was assigned to this individual provider in the NPPES registry on August 24, 2007.
Where is Summer Holden located?
Summer Holden practices at 12301 Wilshire Blvd Ste 512, Los Angeles, CA 90025. The listed phone number is (888) 684-2779.
What is Summer Holden's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Summer Holden enrolled in Medicare?
Yes. Summer Holden 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 organizations bill Medicare for Summer Holden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Summer Holden reassigns Medicare benefits to 3 organizations: Mellow Medical Inc A Professional Corporation (West Hollywood, CA), Hltx2 PA (Dallas, TX) and Lee Side Wellness Associates, LLC (Mason, OH). Each 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 Summer Holden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Summer Holden accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 5 other insurers list Summer Holden as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Summer Holden was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Mrs. Summer Rhiannon Holden, PMHNP-BC · NPI 1285827949
Psychiatric/Mental Health physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since August 24, 2007.
## Identity
- **NPI:** 1285827949 (Entity type: Individual)
- **Enumerated:** August 24, 2007
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** F403012 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 12301 WILSHIRE BLVD STE 512, Los Angeles, CA 90025-1022
- **Phone:** (888) 684-2779
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mellow Medical Inc A Professional Corporation (NPI 1407275886, West Hollywood, CA); Hltx2 PA (NPI 1134937980, Dallas, TX); Lee Side Wellness Associates, LLC (NPI 1841731510, Mason, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** May 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1285827949) · Data from the CMS NPPES public registry.