ELOISA NAUNGAYAN-RAMIREZ NP
NPI 1376191551
Nurse Practitioner - Critical Care Medicine in Orange, CA

Active since August 30, 2019PECOS EnrolledAccepts Medicare Assignment
101 THE CITY DR S, ORANGE, CA 92868(714) 880-7812 Get Directions Write a Review

NPPES record last updated: January 23, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 21, 2023, Aug 30, 2019 (2 updates tracked since 2019).

About Eloisa Naungayan-ramirez Np NPPES

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

ELOISA NAUNGAYAN-RAMIREZ NP (NPI 1376191551) is an individual critical care medicine provider in Orange, California, licensed in California (95011473) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1376191551
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameELOISA NAUNGAYAN-RAMIREZCredential: NP
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 30, 2019
Last NPPES UpdateJanuary 23, 20242 updates tracked since enumeration
NPPES CertifiedJanuary 23, 2024
✔ NPI 1376191551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in CA · 95011473
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 95011473 (CA)
101 THE CITY DR S, Orange, CA 92868

Secondary Practice Locations 2

Location 1333 City Blvd W Ste 2150Orange, CA 92868-5920 · Phone (714) 456-5463
Location 21309 S Silver Star WayAnaheim, CA 92808-2627 · Phone (310) 384-4955

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

Eloisa Naungayan-ramirez Np 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.

PECOS PAC ID3678906609
PECOS Enrollment IDI20191205002254
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 Reassignment

Medicare enrollment records show Eloisa Naungayan-ramirez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 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 92868 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868

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 Eloisa Naungayan-ramirez's NPI number?

The NPI number for Eloisa Naungayan-ramirez is 1376191551. It was assigned to this individual provider in the NPPES registry on August 30, 2019.

Where is Eloisa Naungayan-ramirez located?

Eloisa Naungayan-ramirez practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.

What is Eloisa Naungayan-ramirez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Eloisa Naungayan-ramirez enrolled in Medicare?

Yes. Eloisa Naungayan-ramirez 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 organization bills Medicare for Eloisa Naungayan-ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eloisa Naungayan-ramirez reassigns Medicare benefits to Regents Of The University Of (Orange, 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 Eloisa Naungayan-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 Eloisa Naungayan-ramirez was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.