DR. ELIZABETH GUTRECHT LYSTER M.D.
NPI 1851461230
Obstetrics & Gynecology - Gynecology in Aliso Viejo, CA
About Dr. Elizabeth Gutrecht Lyster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH GUTRECHT LYSTER M.D. (NPI 1851461230) is an individual gynecology provider in Aliso Viejo, California, licensed in California (G72094) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Elizabeth Gutrecht Lyster M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Elizabeth Lyster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fremont, CA 94539
- Reassigned Medicare billing, California enrollment
- 38 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 92656 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 Elizabeth Lyster's NPI number?
The NPI number for Elizabeth Lyster is 1851461230. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Elizabeth Lyster located?
Elizabeth Lyster practices at 26671 Aliso Creek Rd Suite 205, Aliso Viejo, CA 92656. The listed phone number is (949) 831-0300.
What is Elizabeth Lyster's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Elizabeth Lyster enrolled in Medicare?
Yes. Elizabeth Lyster is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Elizabeth Lyster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Lyster reassigns Medicare benefits to Infusion Express Of California Inc (Fremont, 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 Elizabeth Lyster'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 Elizabeth Lyster was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.