CAROLYN SUZANNE LEACH M.D.
NPI 1679650261
Pathology - Cytopathology in Colton, CA
About Carolyn Suzanne Leach M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN SUZANNE LEACH M.D. (NPI 1679650261) is an individual cytopathology provider in Colton, California, licensed in California (G60429) and active in the NPI registry since November 2006. 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)
Carolyn Suzanne Leach M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carolyn Leach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 233 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 92324 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.
COLTON, CA 92324
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 Carolyn Leach's NPI number?
The NPI number for Carolyn Leach is 1679650261. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Carolyn Leach located?
Carolyn Leach practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-0010.
What is Carolyn Leach's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Cytopathology, with taxonomy code 207ZC0500X.
Is Carolyn Leach enrolled in Medicare?
Yes. Carolyn Leach is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carolyn Leach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Leach reassigns Medicare benefits to County Of San Bernardino (Colton, 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 Carolyn Leach'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 Carolyn Leach 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.