DR. GRACE MINDY LEE M.D.
NPI 1023275237
Emergency Medicine in San Leandro, CA
About Dr. Grace Mindy Lee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE MINDY LEE M.D. (NPI 1023275237) is an individual emergency medicine provider in San Leandro, California, licensed in California (A120055) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Grace Mindy Lee M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Grace Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 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 94577 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.
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 Grace Lee's NPI number?
The NPI number for Grace Lee is 1023275237. It was assigned to this individual provider in the NPPES registry on May 16, 2008.
Where is Grace Lee located?
Grace Lee practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.
What is Grace Lee's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Grace Lee enrolled in Medicare?
Yes. Grace Lee is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Grace Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Lee reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). 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 Grace Lee'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 Grace Lee was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.