MR. MENDEL JONATHAN FELDSHER MD
NPI 1326090127
Psychiatry & Neurology - Psychiatry in Patton, CA
About Mr. Mendel Jonathan Feldsher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MENDEL JONATHAN FELDSHER MD (NPI 1326090127) is an individual psychiatry provider in Patton, California, licensed in California (A64028) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Mendel Jonathan Feldsher Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mendel Feldsher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norwalk, CA 90650
- Reassigned Medicare billing, California enrollment
- 755 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 92369 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PATTON, CA 92369
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 Mendel Feldsher's NPI number?
The NPI number for Mendel Feldsher is 1326090127. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Mendel Feldsher located?
Mendel Feldsher practices at 3102 East Highland Avenue, Patton, CA 92369. The listed phone number is (909) 425-6564.
What is Mendel Feldsher's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mendel Feldsher enrolled in Medicare?
Yes. Mendel Feldsher is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mendel Feldsher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mendel Feldsher reassigns Medicare benefits to Department Of State Hospitals (Norwalk, 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 Mendel Feldsher'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 Mendel Feldsher was last updated on September 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.