Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. ELIZABETH SAEZ FNP
NPI 1558819649
Nurse Practitioner - Primary Care in San Marcos, CA

Active since September 16, 2016PECOS EnrolledAccepts Medicare Assignment
111 CAMPUS WAY, SAN MARCOS, CA 92078(760) 658-1288 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Apr 20, 2021, Jun 20, 2018 and 3 more (6 updates tracked since 2016).

About Ms. Elizabeth Saez Fnp NPPES

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

MS. ELIZABETH SAEZ FNP (NPI 1558819649) is an individual primary care provider in San Marcos, California, licensed in California (95005326) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Carlsbad, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1558819649
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameMS. ELIZABETH SAEZCredential: FNP
Location Address111 CAMPUS WAYSan Marcos, CA 92078-4204
Mailing Address111 Campus Way Ste 103San Marcos, CA 92078-4212
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 16, 2016
Last NPPES UpdateSeptember 29, 20266 updates tracked since enumeration
NPPES CertifiedApril 20, 2021
✔ NPI 1558819649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in CA · 95005326
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License NP95005326 (CA), 2005041 (CA)
111 CAMPUS WAY, San Marcos, CA 92078

Secondary Practice Location 1

Location 12176 Salk Ave Ste 200Carlsbad, CA 92008-7346 · Phone (858) 927-5527

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

Ms. Elizabeth Saez Fnp 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 ID2062794829
PECOS Enrollment IDI20170131002226
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 Elizabeth Saez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Adult Medicine
1926 VIA CENTRE DRIVE, STE A
Vista, CA 92081
  • Reassigned Medicare billing, California enrollment
  • 8 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 92078 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Nurse Practitioner (Family)
111 CAMPUS WAY
SAN MARCOS, CA 92078
Family Medicine
111 CAMPUS WAY
SAN MARCOS, CA 92078

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 Elizabeth Saez's NPI number?

The NPI number for Elizabeth Saez is 1558819649. It was assigned to this individual provider in the NPPES registry on September 16, 2016.

Where is Elizabeth Saez located?

Elizabeth Saez practices at 111 Campus Way, San Marcos, CA 92078. The listed phone number is (760) 658-1288.

What is Elizabeth Saez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Elizabeth Saez enrolled in Medicare?

Yes. Elizabeth Saez 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 Elizabeth Saez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Saez reassigns Medicare benefits to Tri-City Primary Care Medical Group, Inc (Vista, 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 Elizabeth Saez'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 Elizabeth Saez was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.