ELIZABETH WHITESIDE PMHNP
NPI 1285003913
Nurse Practitioner - Psychiatric/Mental Health in Port Orchard, WA
About Elizabeth Whiteside Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH WHITESIDE PMHNP (NPI 1285003913) is an individual psychiatric/mental health provider in Port Orchard, Washington, licensed in Oregon (201606700NP-PP) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
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
Elizabeth Whiteside Pmhnp 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
2Medicare enrollment records show Elizabeth Whiteside reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bremerton, WA 98311
- Reassigned Medicare billing, Washington enrollment
- 31 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 87 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 98366 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT ORCHARD, WA 98366
PORT ORCHARD, WA 98366
PORT ORCHARD, WA 98366
PORT ORCHARD, WA 98366
PORT ORCHARD, WA 98366
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 Elizabeth Whiteside's NPI number?
The NPI number for Elizabeth Whiteside is 1285003913. It was assigned to this individual provider in the NPPES registry on September 23, 2015.
Where is Elizabeth Whiteside located?
Elizabeth Whiteside practices at 320 S Kitsap Blvd, Port Orchard, WA 98366. The listed phone number is (360) 377-3776.
What is Elizabeth Whiteside's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Elizabeth Whiteside enrolled in Medicare?
Yes. Elizabeth Whiteside 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 Elizabeth Whiteside's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Whiteside reassigns Medicare benefits to 2 organizations: Kitsap Mental Health Services (Bremerton, WA) and Alliance For South Sound Health (Tacoma, WA). 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 Elizabeth Whiteside'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 Elizabeth Whiteside was last updated on September 7, 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.
# Elizabeth Whiteside, PMHNP · NPI 1285003913
Psychiatric/Mental Health physician in Port Orchard, Washington. Individual provider, active in the CMS NPPES registry since September 23, 2015.
## Identity
- **NPI:** 1285003913 (Entity type: Individual)
- **Enumerated:** September 23, 2015
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 201606700NP-PP (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 320 S KITSAP BLVD, Port Orchard, WA 98366-3778
- **Phone:** (360) 377-3776
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Kitsap Mental Health Services (NPI 1033268008, Bremerton, WA); Alliance For South Sound Health (NPI 1891298980, Tacoma, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 7, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1285003913) · Data from the CMS NPPES public registry.