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DIANA ISABEL MIJARES APRN
NPI 1457189565
Nurse Practitioner - Acute Care in Austin, TX

Active since July 22, 2024PECOS EnrolledAccepts Medicare Assignment
1301 W 38TH ST STE 514, AUSTIN, TX 78705(512) 681-0500(512) 681-0501 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 20, 2025, Jul 22, 2024 (2 updates tracked since 2024).

About Diana Isabel Mijares Aprn NPPES

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

DIANA ISABEL MIJARES APRN (NPI 1457189565) is an individual acute care provider in Austin, Texas, licensed in Texas (1169470) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1457189565
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameDIANA ISABEL MIJARESCredential: APRN
Location Address1301 W 38TH ST STE 514Austin, TX 78705-1014
Mailing Address1301 W 38th St Ste 514Austin, TX 78705-1014 · (512) 681-0500 · Fax (512) 681-0501
Phone(512) 681-0500
Fax(512) 681-0501
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 22, 2024
Last NPPES UpdateJune 29, 20262 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
✔ NPI 1457189565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · 1169470
Also ListedNurse PractitionerTaxonomy 363L00000X · License 1169470 (TX)
1301 W 38TH ST STE 514, Austin, TX 78705
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company and more.Insurance ›

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

Diana Isabel Mijares Aprn 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 ID5193246106
PECOS Enrollment IDI20250306002580
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 Diana Mijares reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Seton Family Of Doctors
2.1 mi
Neurological Surgery
1601 TRINITY ST STOP 704
Austin, TX 78712
  • Reassigned Medicare billing, Texas enrollment
  • 1,188 clinicians in this Medicare group
NPI 1588997233 (512) 324-8300
Bhs Physicians Network, Inc
65 mi
Family Medicine
502 MADISON OAK DR STE 310
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 964 clinicians in this Medicare group
NPI 1598958431 (210) 483-8883

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 78705 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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 11

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

MS. CAROL A SCHAUF F.N.P.
Nurse Practitioner (Family)
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
LINDSEY BETH MARTIN NP
Nurse Practitioner (Acute Care)
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
DR. ANNA KEJR DVORAK MD
Internal Medicine (Pulmonary Disease)
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
MRS. AMY KALISEK FNP-C
Nurse Practitioner
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
ASCENSION MEDICAL GROUP
Nurse Practitioner
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
MRS. ANNE MARIE SCHUMAKER ACNP
Nurse Practitioner (Acute Care)
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
TAMMIE GENERETTE APRN, FNP-C
Nurse Practitioner (Family)
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500
ANDREW J CHENG MD
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
1301 W 38TH ST STE 514
AUSTIN, TX 78705
Travis County (512) 681-0500

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 Diana Mijares's NPI number?

The NPI number for Diana Mijares is 1457189565. It was assigned to this individual provider in the NPPES registry on July 22, 2024.

Where is Diana Mijares located?

Diana Mijares practices at 1301 W 38th St Ste 514, Austin, TX 78705. The listed phone number is (512) 681-0500.

What is Diana Mijares's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Diana Mijares enrolled in Medicare?

Yes. Diana Mijares 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 organizations bill Medicare for Diana Mijares's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Mijares reassigns Medicare benefits to 2 organizations: Seton Family Of Doctors (Austin, TX) and Bhs Physicians Network, Inc (San Antonio, TX). 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 Diana Mijares's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Mijares accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Diana Mijares as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diana Mijares was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.