1. Home
  2. Directory
  3. Texas
  4. Austin
  5. Emergency Medicine
  6. NPI Profile

DR. CAROLINA VELEZ ISAZA M.D.
NPI 1700164829
Emergency Medicine in Austin, TX

Active since July 22, 2011PECOS Enrolled
4015 SOUTH LAMAR BLVD, AUSTIN, TX 78704(512) 440-8333 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 29, 2026, Jun 26, 2018 (2 updates tracked since 2018).

About Dr. Carolina Velez Isaza M.d. NPPES

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

DR. CAROLINA VELEZ ISAZA M.D. (NPI 1700164829) is an individual emergency medicine provider in Austin, Texas, licensed in Texas (P7998) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700164829
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. CAROLINA VELEZ ISAZACredential: M.D.
Location Address4015 SOUTH LAMAR BLVDAustin, TX 78704
Mailing Address2204 E Side DrAustin, TX 78704-5213 · (512) 440-8333
Phone(512) 440-8333
Sole ProprietorNo
Enumeration DateJuly 22, 2011
Last NPPES UpdateJanuary 29, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1700164829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · P7998
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4015 SOUTH LAMAR BLVD, Austin, TX 78704
Open in Google Maps ↗

Other Names 1

Other Name (5)Carolina Velez Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carolina Velez Isaza M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78704 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.

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 Carolina Velez Isaza's NPI number?

The NPI number for Carolina Velez Isaza is 1700164829. It was assigned to this individual provider in the NPPES registry on July 22, 2011. The provider is also known as Carolina Velez MD.

Where is Carolina Velez Isaza located?

Carolina Velez Isaza practices at 4015 South Lamar Blvd, Austin, TX 78704. The listed phone number is (512) 440-8333.

What is Carolina Velez Isaza's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Carolina Velez Isaza enrolled in Medicare?

Yes. Carolina Velez Isaza is registered in the Medicare PECOS enrollment system.

What insurance does Carolina Velez Isaza accept?

Health plans from Oscar Insurance Company list Carolina Velez Isaza 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 Carolina Velez Isaza was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.