ANNETTE LUO M.D.
NPI 1629658455
Anesthesiology in San Francisco, CA
About Annette Luo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNETTE LUO M.D. (NPI 1629658455) is an individual anesthesiology provider in San Francisco, California, licensed in California (206638) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
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)
Annette Luo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Annette Luo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75244
- Reassigned Medicare billing, Illinois enrollment
- 712 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 Annette Luo's NPI number?
The NPI number for Annette Luo is 1629658455. It was assigned to this individual provider in the NPPES registry on April 14, 2021.
Where is Annette Luo located?
Annette Luo practices at 1975 4th St, San Francisco, CA 94143. The listed phone number is (415) 476-1000.
What is Annette Luo's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Annette Luo enrolled in Medicare?
Yes. Annette Luo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Annette Luo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annette Luo reassigns Medicare benefits to Signify Health Medical Associates, PLLC (Dallas, TX). 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 Annette Luo'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 Annette Luo was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.