MRS. CAROLYN ALICE DIAZ FNP
NPI 1366495368
Nurse Practitioner - Family in Porterville, CA
About Mrs. Carolyn Alice Diaz Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CAROLYN ALICE DIAZ FNP (NPI 1366495368) is an individual family provider in Porterville, California, licensed in California (470229) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Carolyn Alice Diaz Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carolyn Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 28 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93257 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTERVILLE, CA 93257
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 Diaz's NPI number?
The NPI number for Carolyn Diaz is 1366495368. It was assigned to this individual provider in the NPPES registry on May 19, 2006. The provider is also known as Carolyn Alice Parsons, Pugh Fnp.
Where is Carolyn Diaz located?
Carolyn Diaz practices at 222 W Henderson Ave, Porterville, CA 93257. The listed phone number is (559) 784-5483.
What is Carolyn Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Carolyn Diaz enrolled in Medicare?
Yes. Carolyn Diaz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carolyn Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Diaz reassigns Medicare benefits to Erick Madrigal, MD, Mba, Inc. (Porterville, 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 Diaz'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 Diaz was last updated on January 6, 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.