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MRS. TAMMIE WARREN APRN, CPNP-AC/PC
NPI 1386850667
Nurse Practitioner - Pediatrics in Austin, TX

Active since May 15, 2007PECOS Enrolled
1301 BARBARA JORDAN BLVD, SUITE 400, AUSTIN, TX 78723(512) 708-1234(512) 708-4567 Get Directions Write a Review

NPPES record last updated: March 10, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Tammie Warren Aprn, Cpnp-ac/pc NPPES

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

MRS. TAMMIE WARREN APRN, CPNP-AC/PC (NPI 1386850667) is an individual pediatrics provider in Austin, Texas, licensed in Texas (700730) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386850667
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. TAMMIE WARRENCredential: APRN, CPNP-AC/PC
Location Address1301 BARBARA JORDAN BLVD, SUITE 400Austin, TX 78723-3077
Mailing Address5503 Westminster DrAustin, TX 78723-2616 · (512) 534-6614
Phone(512) 708-1234
Fax(512) 708-4567
Sole ProprietorNo
Enumeration DateMay 15, 2007
Last NPPES UpdateMarch 10, 2020
NPPES CertifiedMarch 10, 2020
✔ NPI 1386850667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in TX · 700730
1301 BARBARA JORDAN BLVD, Austin, TX 78723
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, 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)

Mrs. Tammie Warren Aprn, Cpnp-ac/pc 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 78723 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 20

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

ERICH J GRETHEL MD
Surgery
1301 BARBARA JORDAN BLVD, SUITE 400
AUSTIN, TX 78723
Travis County (512) 708-1234
MATTHEW DAVID ELLINGTON M.D.
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
1301 BARBARA JORDAN BLVD, SUITE 300
AUSTIN, TX 78723
Travis County (512) 478-8116
TAYLOR ANN MELIAN PA-C
Physician Assistant
1301 BARBARA JORDAN BLVD, SUITE 300
AUSTIN, TX 78723
Travis County (512) 478-8116
DR. BRIAN E KAUFMAN M.D.
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
1301 BARBARA JORDAN BLVD, SUITE 300
AUSTIN, TX 78723
Travis County (512) 478-8116
MARK B SMITH MD
Surgery
1301 BARBARA JORDAN BLVD, SUITE 400
SAN ANTONIO, TX 78723
Travis County (512) 708-1234
DR. BHARANI CHALLA M.D.
Pediatrics (Pediatric Gastroenterology)
1301 BARBARA JORDAN BLVD, SUITE 200
AUSTIN, TX 78723
Travis County (512) 628-1800
LAURA SERIS APRN, CPNP-AC
Nurse Practitioner (Pediatrics)
1301 BARBARA JORDAN BLVD, SUITE 400
AUSTIN, TX 78723
Travis County (512) 708-1234
SUSAN RUSSO CPNP-PC
Nurse Practitioner (Pediatrics)
1301 BARBARA JORDAN BLVD, SUITE 200
AUSTIN, TX 78723
Travis County (512) 628-1820

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 Tammie Warren's NPI number?

The NPI number for Tammie Warren is 1386850667. It was assigned to this individual provider in the NPPES registry on May 15, 2007.

Where is Tammie Warren located?

Tammie Warren practices at 1301 Barbara Jordan Blvd Suite 400, Austin, TX 78723. The listed phone number is (512) 708-1234.

What is Tammie Warren's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Tammie Warren enrolled in Medicare?

Yes. Tammie Warren is registered in the Medicare PECOS enrollment system.

What insurance does Tammie Warren accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Tammie Warren 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 Tammie Warren was last updated on March 10, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.