ALEXANDRA LAURYN GEFFREY
NPI 1245790591
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Seattle, WA
About Alexandra Lauryn Geffrey NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA LAURYN GEFFREY (NPI 1245790591) is an individual neurology with special qualifications in child neurology provider in Seattle, Washington, licensed in Washington (MD.MD.70107993) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alexandra Lauryn Geffrey is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexandra Geffrey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: The Association Of Chrmc And University Physicians
- 1,443 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SEATTLE, WA 98109
SEATTLE, WA 98109
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 Geffrey's NPI number?
The NPI number for Alexandra Geffrey is 1245790591. It was assigned to this individual provider in the NPPES registry on March 22, 2019.
Where is Alexandra Geffrey located?
Alexandra Geffrey practices at 825 Eastlake Ave E, Seattle, WA 98109. The listed phone number is (206) 520-5000.
What is Alexandra Geffrey's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.
Is Alexandra Geffrey enrolled in Medicare?
Yes. Alexandra Geffrey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexandra Geffrey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Geffrey reassigns Medicare benefits to Association Of Chmc And University Physicians (Seattle, WA). 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 Alexandra Geffrey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexandra Geffrey affiliated with any hospitals?
According to CMS data, Alexandra Geffrey is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Alexandra Geffrey was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.
# Alexandra Lauryn Geffrey · NPI 1245790591
Neurology with Special Qualifications in Child Neurology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 22, 2019.
## Identity
- **NPI:** 1245790591 (Entity type: Individual)
- **Enumerated:** March 22, 2019
- **Primary specialty:** Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology · taxonomy 2084N0402X
- **State license:** MD.MD.70107993 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 825 EASTLAKE AVE E, Seattle, WA 98109-4405
- **Phone:** (206) 520-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Association Of Chmc And University Physicians (NPI 1215153671, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** September 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245790591) · Data from the CMS NPPES public registry.