MS. ESTELA MONTES NURSE PRACTITIONER
NPI 1629631197
Nurse Practitioner in Los Angeles, CA

Active since April 19, 2019PECOS Enrolled
1100 N STATE ST, LOS ANGELES, CA 90033(323) 409-1000 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2026, Apr 19, 2019 (2 updates tracked since 2019).

About Ms. Estela Montes Nurse Practitioner NPPES

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

MS. ESTELA MONTES NURSE PRACTITIONER (NPI 1629631197) is an individual nurse practitioner in Los Angeles, California, licensed in California (95009931) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629631197
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. ESTELA MONTESCredential: NURSE PRACTITIONER
Location Address1100 N STATE STLos Angeles, CA 90033-5000
Mailing Address1100 N State StLos Angeles, CA 90033-5000 · (323) 409-1000
Sole ProprietorNo
Enumeration DateApril 19, 2019
Last NPPES UpdateAugust 12, 20262 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1629631197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95009931
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1100 N STATE ST, Los Angeles, CA 90033

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Estela Montes Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Estela Montes reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
2208 W 7TH ST
Los Angeles, CA 90057
  • Reassigned Medicare billing, California enrollment
  • 29 clinicians in this Medicare group
Multi-Specialty
672 S CARONDELET ST
Los Angeles, CA 90057
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
Multi-Specialty
11001 MAIN ST STE 301
El Monte, CA 91731
  • Reassigned Medicare billing, California enrollment
  • 30 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 90033 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.

Social Worker (Clinical)
1100 N STATE ST
LOS ANGELES, CA 90033
Pediatrics
1100 N STATE ST, CLINIC TOWER, SUITE A7D
LOS ANGELES, CA 90033
Social Worker (Clinical)
1100 N STATE ST
LOS ANGELES, CA 90033
Registered Nurse (Ambulatory Care)
1100 N STATE ST
LOS ANGELES, CA 90033
Social Worker (Clinical)
1100 N STATE ST
LOS ANGELES, CA 90033
Social Worker (Clinical)
1100 N STATE ST
LOS ANGELES, CA 90033
General Acute Care Hospital
1100 N STATE ST, CLINIC TOWER A4E
LOS ANGELES, CA 90033
Registered Nurse (Ambulatory Care)
1100 N STATE ST
LOS ANGELES, CA 90033

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 Estela Montes's NPI number?

The NPI number for Estela Montes is 1629631197. It was assigned to this individual provider in the NPPES registry on April 19, 2019.

Where is Estela Montes located?

Estela Montes practices at 1100 N State St, Los Angeles, CA 90033. The listed phone number is (323) 409-1000.

What is Estela Montes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Estela Montes enrolled in Medicare?

Yes. Estela Montes is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Estela Montes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Estela Montes reassigns Medicare benefits to 3 organizations: Los Angeles Clinica Medica General Medical Center, Inc. (Los Angeles, CA), Allmed Of Los Angeles, Inc (Los Angeles, CA) and El Monte Clinica Medica General Medical Center, Inc (El Monte, 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 Estela Montes'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 Estela Montes was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.