KAREN STEPHANIE VARGAS MARQUEZ FNP-C
NPI 1558195073
Nurse Practitioner - Family in Fresno, CA
About Karen Stephanie Vargas Marquez Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN STEPHANIE VARGAS MARQUEZ FNP-C (NPI 1558195073) is an individual family provider in Fresno, California, licensed in California (95030924) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Karen Stephanie Vargas Marquez Fnp-c 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 Karen Stephanie Marquez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 604 clinicians in this Medicare group
Fresno, CA 93727
- Reassigned Medicare billing, California enrollment
- 16 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 93720 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.
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 Karen Stephanie Marquez's NPI number?
The NPI number for Karen Stephanie Marquez is 1558195073. It was assigned to this individual provider in the NPPES registry on August 27, 2024.
Where is Karen Stephanie Marquez located?
Karen Stephanie Marquez practices at 1570 E Herndon Ave, Fresno, CA 93720. The listed phone number is (559) 603-7240.
What is Karen Stephanie Marquez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karen Stephanie Marquez enrolled in Medicare?
Yes. Karen Stephanie Marquez 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 Karen Stephanie Marquez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Stephanie Marquez reassigns Medicare benefits to 2 organizations: Community Health Partners (Fresno, CA) and Greater Fresno Health Organization, 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 Karen Stephanie Marquez'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 Karen Stephanie Marquez was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.