MRS. JENNIFER LYNN HEMMINGER MSW
NPI 1639200272
Social Worker - Clinical in Los Angeles, CA
About Mrs. Jennifer Lynn Hemminger Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JENNIFER LYNN HEMMINGER MSW (NPI 1639200272) is an individual clinical provider in Los Angeles, California, licensed in California (ASW 15678) and active in the NPI registry since March 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)
Mrs. Jennifer Lynn Hemminger Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jennifer Hemminger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jamestown, CA 95327
- Reassigned Medicare billing, Texas enrollment
- 17 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 90031 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 90031
LOS ANGELES, CA 90031
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 Jennifer Hemminger's NPI number?
The NPI number for Jennifer Hemminger is 1639200272. It was assigned to this individual provider in the NPPES registry on March 7, 2007.
Where is Jennifer Hemminger located?
Jennifer Hemminger practices at 1721 Griffin Ave, Los Angeles, CA 90031. The listed phone number is (323) 221-4134.
What is Jennifer Hemminger's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Jennifer Hemminger enrolled in Medicare?
Yes. Jennifer Hemminger is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jennifer Hemminger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Hemminger reassigns Medicare benefits to Mathiesen Memorial Health Clinic (Jamestown, 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 Jennifer Hemminger'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 Jennifer Hemminger was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.