MRS. LIOR MAYER CNM
NPI 1225217862
Advanced Practice Midwife in Berkeley, CA
About Mrs. Lior Mayer Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LIOR MAYER CNM (NPI 1225217862) is an individual advanced practice midwife in Berkeley, California, licensed in California (1739) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Berkeley.
NPPES Registry Identity
Specialties & Licenses
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)
Mrs. Lior Mayer Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Lior Mayer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 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 94705 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.
BERKELEY, CA 94705
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 Lior Mayer's NPI number?
The NPI number for Lior Mayer is 1225217862. It was assigned to this individual provider in the NPPES registry on October 31, 2007.
Where is Lior Mayer located?
Lior Mayer practices at 2450 Ashby Ave, Berkeley, CA 94705. The listed phone number is (510) 204-3977.
What is Lior Mayer's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Lior Mayer enrolled in Medicare?
Yes. Lior Mayer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lior Mayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lior Mayer reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Orinda, CA) and Obhg California, P.C. (Greenville, SC). 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 Lior Mayer'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 Lior Mayer was last updated on May 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.