ALEXANDRA KRISTIN KLEIN BOR MD
NPI 1669935045
Anesthesiology in Palo Alto, CA
About Alexandra Kristin Klein Bor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA KRISTIN KLEIN BOR MD (NPI 1669935045) is an individual anesthesiology provider in Palo Alto, California, licensed in California (A182439) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of University Of Texas Medical School At Houston (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 and accepts Medicare assignment
Alexandra Kristin Klein Bor 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
2Medicare enrollment records show Alexandra Kristin Bor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
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.
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 Kristin Bor's NPI number?
The NPI number for Alexandra Kristin Bor is 1669935045. It was assigned to this individual provider in the NPPES registry on April 11, 2019. The provider is also known as Alexandra Kristin Klein.
Where is Alexandra Kristin Bor located?
Alexandra Kristin Bor practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Alexandra Kristin Bor's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alexandra Kristin Bor enrolled in Medicare?
Yes. Alexandra Kristin Bor 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 Kristin Bor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Kristin Bor reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, CA). 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 Kristin Bor'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 Alexandra Kristin Bor was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alexandra Kristin Klein Bor, MD · NPI 1669935045
Anesthesiology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since April 11, 2019.
## Identity
- **NPI:** 1669935045 (Entity type: Individual)
- **Enumerated:** April 11, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A182439 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## 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): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Stanford Health Care (NPI 1437292927, Stanford, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2019
## Record status
- **NPPES last updated:** May 19, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1669935045) · Data from the CMS NPPES public registry.