CONCESA MARGARITA RUIZ RAMIREZ FNP-C
NPI 1962288423
Nurse Practitioner - Family in Fontana, CA

Active since August 31, 2023PECOS Enrolled
16839 RAMONA AVE STE 401, FONTANA, CA 92336(909) 429-2864 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Concesa Margarita Ruiz Ramirez Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CONCESA MARGARITA RUIZ RAMIREZ FNP-C (NPI 1962288423) is an individual family provider in Fontana, California, licensed in California (95026859) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1962288423
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCONCESA MARGARITA RUIZ RAMIREZCredential: FNP-C
Location Address16839 RAMONA AVE STE 401Fontana, CA 92336-2014
Mailing Address16839 Ramona Ave Ste 401Fontana, CA 92336-2014 · (909) 429-2864
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 31, 2023
Last NPPES UpdateSeptember 23, 2025
NPPES CertifiedSeptember 23, 2025
✔ NPI 1962288423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95026859
16839 RAMONA AVE STE 401, Fontana, CA 92336

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Concesa Margarita Ruiz Ramirez Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1052894789
PECOS Enrollment IDI20260311002088
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Concesa Ruiz Ramirez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Infectious Disease
11103 VENICE BLVD
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Minghsun Liu MD PC
  • 95 clinicians in this Medicare group
Infectious Disease
11103 VENICE BLVD
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • 40 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 92336 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine
16839 RAMONA AVE STE 401
FONTANA, CA 92336
Nurse Practitioner (Family)
16839 RAMONA AVE STE 401
FONTANA, CA 92336

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 Concesa Ruiz Ramirez's NPI number?

The NPI number for Concesa Ruiz Ramirez is 1962288423. It was assigned to this individual provider in the NPPES registry on August 31, 2023.

Where is Concesa Ruiz Ramirez located?

Concesa Ruiz Ramirez practices at 16839 Ramona Ave Ste 401, Fontana, CA 92336. The listed phone number is (909) 429-2864.

What is Concesa Ruiz Ramirez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Concesa Ruiz Ramirez enrolled in Medicare?

Yes. Concesa Ruiz Ramirez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Concesa Ruiz Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Concesa Ruiz Ramirez reassigns Medicare benefits to 2 organizations: Minghsun Liu, M.D., PC (Los Angeles, CA) and Wt Health Of California LLC (Los Angeles, 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 Concesa Ruiz Ramirez'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 Concesa Ruiz Ramirez 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 12 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.