LYDIA HERRERA-MATA
NPI 1811900558
Family Medicine in Fresno, CA
About Lydia Herrera-mata NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYDIA HERRERA-MATA (NPI 1811900558) is an individual family medicine provider in Fresno, California, licensed in California (A75245) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1999).
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 and accepts Medicare assignment
Lydia Herrera-mata is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Lydia Herrera-mata reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fresno, CA 93721
- Reassigned Medicare billing, California enrollment
- 320 clinicians in this Medicare group
Fresno, CA 93721
- Reassigned Medicare billing, California enrollment
- 295 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 93721 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 6
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FRESNO, CA 93721
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 Lydia Herrera-mata's NPI number?
The NPI number for Lydia Herrera-mata is 1811900558. It was assigned to this individual provider in the NPPES registry on August 14, 2006. The provider is also known as Lydia Herrera MD.
Where is Lydia Herrera-mata located?
Lydia Herrera-mata practices at 2823 Fresno St, Fresno, CA 93721. The listed phone number is (559) 499-6450.
What is Lydia Herrera-mata's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Lydia Herrera-mata enrolled in Medicare?
Yes. Lydia Herrera-mata is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lydia Herrera-mata's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Herrera-mata reassigns Medicare benefits to 2 organizations: University Faculty Associates, Inc. (Fresno, CA) and Central California Faculty Medical Group, Inc. (Fresno, CA). Each 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 Lydia Herrera-mata'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 Lydia Herrera-mata was last updated on January 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Lydia Herrera-Mata · NPI 1811900558
Family Medicine physician in Fresno, California. Individual provider, active in the CMS NPPES registry since August 14, 2006.
## Identity
- **NPI:** 1811900558 (Entity type: Individual)
- **Enumerated:** August 14, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A75245 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2823 FRESNO ST, Fresno, CA 93721-1324
- **Phone:** (559) 499-6450
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Faculty Associates, Inc. (NPI 1235537283, Fresno, CA); Central California Faculty Medical Group, Inc. (NPI 1457603573, Fresno, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** January 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811900558) · Data from the CMS NPPES public registry.