DR. ALEXANDRA HERNDON MD
NPI 1164953857
Emergency Medicine in Vancouver, WA
About Dr. Alexandra Herndon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDRA HERNDON MD (NPI 1164953857) is an individual emergency medicine provider in Vancouver, Washington, licensed in Washington (61671131) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Legacy Salmon Creek Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Alexandra Herndon Md 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
4Medicare enrollment records show Alexandra Herndon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 108 clinicians in this Medicare group
Delano, CA 93215
- Reassigned Medicare billing, California enrollment
- 1,204 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 219 clinicians in this Medicare group
Fort Defiance, AZ 86504
- Reassigned Medicare billing, Texas enrollment
- 518 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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Salmon Creek Medical Center
Acute Care Hospitals · Vancouver, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98686 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
VANCOUVER, WA 98686
VANCOUVER, WA 98686
VANCOUVER, WA 98686
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 Alexandra Herndon's NPI number?
The NPI number for Alexandra Herndon is 1164953857. It was assigned to this individual provider in the NPPES registry on March 23, 2017.
Where is Alexandra Herndon located?
Alexandra Herndon practices at 2211 NE 139th St, Vancouver, WA 98686. The listed phone number is (360) 487-1000.
What is Alexandra Herndon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexandra Herndon enrolled in Medicare?
Yes. Alexandra Herndon 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 Alexandra Herndon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Herndon reassigns Medicare benefits to 4 organizations: Northwest Acute Care Specialists PC (Vancouver, WA), Cep America-California (Delano, CA), Regents Of The University Of (Orange, CA) and The Fort Defiance Indian Hospital Board, Incorporation (Fort Defiance, AZ). 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 Alexandra Herndon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Herndon accept?
Health plans from Blue Cross Blue Shield of Arizona list Alexandra Herndon 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.
Is Alexandra Herndon affiliated with any hospitals?
According to CMS data, Alexandra Herndon is affiliated with Legacy Salmon Creek Medical Center.
When was this NPI record last updated?
The NPPES record for Alexandra Herndon was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Alexandra Herndon, MD · NPI 1164953857
Emergency Medicine physician in Vancouver, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2017.
## Identity
- **NPI:** 1164953857 (Entity type: Individual)
- **Enumerated:** March 23, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 61671131 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 2211 NE 139TH ST, Vancouver, WA 98686-2742
- **Phone:** (360) 487-1000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Northwest Acute Care Specialists PC (NPI 1487811048, Vancouver, WA); Cep America-California (NPI 1598534216, Delano, CA); Regents Of The University Of (NPI 1154379394, Orange, CA); The Fort Defiance Indian Hospital Board, Incorporation (NPI 1477876639, Fort Defiance, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** May 5, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1164953857) · Data from the CMS NPPES public registry.