MAREN SULLIVAN LCSW
NPI 1598948739
Social Worker - Clinical in Los Angeles, CA
About Maren Sullivan Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAREN SULLIVAN LCSW (NPI 1598948739) is an individual clinical provider in Los Angeles, California, licensed in California (25277) and active in the NPI registry since December 2007. 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)
Maren Sullivan Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Maren Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94303
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Wellmindonline Ca Licensed Clinical Social Worker Prof Corp
- 54 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 90064 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.
LOS ANGELES, CA 90064
LOS ANGELES, CA 90064
LOS ANGELES, CA 90064
LOS ANGELES, CA 90064
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 Maren Sullivan's NPI number?
The NPI number for Maren Sullivan is 1598948739. It was assigned to this individual provider in the NPPES registry on December 11, 2007.
Where is Maren Sullivan located?
Maren Sullivan practices at 11080 W Olympic Blvd, Los Angeles, CA 90064. The listed phone number is (310) 966-6500.
What is Maren Sullivan's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Maren Sullivan enrolled in Medicare?
Yes. Maren Sullivan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Maren Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maren Sullivan reassigns Medicare benefits to Wellmind Online Ca Licensed Clinical Social Worker Prof Corp (Palo Alto, 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 Maren Sullivan'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 Maren Sullivan was last updated on April 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.