GRACE D ORTEGA-WALKER FNP
NPI 1043363294
Nurse Practitioner - Family in Aurora, CO

Q: What is Grace Ortega-walker's NPI number?

The NPI number for Grace Ortega-walker is 1043363294. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Q: What is Grace Ortega-walker's specialty?

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

Active since January 19, 2007PECOS Enrolled

3025 S PARKER RD STE 100, AURORA, CO 80014(303) 481-7030(303) 745-7935 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2026, Oct 26, 2022, Jan 22, 2016 (3 updates tracked since 2016).

On this page

About Grace D Ortega-walker Fnp NPPES

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

GRACE D ORTEGA-WALKER FNP (NPI 1043363294) is an individual family provider in Aurora, Colorado, licensed in Colorado (APN.0003072-NP) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043363294

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameGRACE D ORTEGA-WALKERCredential: FNP

Location Address3025 S PARKER RD STE 100Aurora, CO 80014-2914

Mailing Address3025 S Parker Rd Ste 100Aurora, CO 80014-2914 · (303) 481-7030 · Fax (303) 745-7935

Phone(303) 481-7030

Fax(303) 745-7935

Sole ProprietorNo

Enumeration DateJanuary 19, 2007

Last NPPES UpdateAugust 27, 20263 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1043363294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CO · APN.0003072-NP

Also ListedNurse PractitionerTaxonomy 363L00000X · License 93087 (CO)

3025 S PARKER RD STE 100, Aurora, CO 80014

Open in Google Maps ↗

Other Identifiers 1

Medicaid41185579CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grace D Ortega-walker Fnp 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

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

Oak Street Health Physicians Group Of Colorado, PLLC

4.6 mi

Primary Care

740 PEORIA ST
Aurora, CO 80011

Reassigned Medicare billing, Colorado enrollment
50 clinicians in this Medicare group

NPI 1760197891 (720) 531-7111

Pine Ridge Indian Health Service Hospital

262 mi

General Acute Care Hospital

EAST HIGHWAY 18
Pine Ridge, SD 57770

Reassigned Medicare billing, Texas enrollment
426 clinicians in this Medicare group

NPI 1497786412 (605) 837-3314

Signify Health Medical Associates, PLLC

644 mi

General Practice

4055 VALLEY VIEW LN STE 700
Dallas, TX 75244

Reassigned Medicare billing, Colorado enrollment
290 clinicians in this Medicare group

NPI 1750845863 (972) 715-3800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

15 services15 patients

Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 99347

An established patient home visit is a service where a healthcare professional visits your home for a 15-minute check-up. It's designed for patients who have previously seen the professional. The visit may include basic health assessments and discussions about your ongoing care.

15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80014 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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 6

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

DANIELA LILIANA SOUZA FNP

Nurse Practitioner (Family)