ALEXA NICOLE CARLSTED LUCAS MD
NPI 1295485316
Emergency Medicine in San Francisco, CA
About Alexa Nicole Carlsted Lucas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXA NICOLE CARLSTED LUCAS MD (NPI 1295485316) is an individual emergency medicine provider in San Francisco, California, licensed in California (A189841) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Un Of California, Irvine, College Of Medicine (2022).
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 (PECOS)
Alexa Nicole Carlsted Lucas Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Alexa Lucas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94143 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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Alexa Lucas's NPI number?
The NPI number for Alexa Lucas is 1295485316. It was assigned to this individual provider in the NPPES registry on March 24, 2022. The provider is also known as Alexa Nicole Lucas MD.
Where is Alexa Lucas located?
Alexa Lucas practices at 521 Parnassus Ave Fl 7, San Francisco, CA 94143. The listed phone number is (415) 353-1529.
What is Alexa Lucas's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexa Lucas enrolled in Medicare?
Yes. Alexa Lucas is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alexa Lucas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexa Lucas reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Alexa Lucas'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 Alexa Lucas was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.