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TAMMY L COSTIC DNP, APRN, CPNP-AC
NPI 1255894846
Nurse Practitioner - Pediatrics, Critical Care in Houston, TX

Active since April 10, 2019
6621 FANNIN ST, HOUSTON, TX 77030(888) 226-4343 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 15, 2022, Apr 25, 2019, Apr 10, 2019 (3 updates tracked since 2019).

About Tammy L Costic Dnp, Aprn, Cpnp-ac NPPES

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

TAMMY L COSTIC DNP, APRN, CPNP-AC (NPI 1255894846) is an individual pediatrics, critical care provider in Houston, Texas, licensed in Texas (AP1411171) and active in the NPI registry since April 2019.

NPPES Registry Identity

NPI1255894846
Entity TypeIndividualFemale
Primary Taxonomy363LP0222X
Provider Legal NameTAMMY L COSTICCredential: DNP, APRN, CPNP-AC
Location Address6621 FANNIN STHouston, TX 77030-2358
Mailing Address6621 Fannin StHouston, TX 77030-2358
Phone(888) 226-4343
Sole ProprietorNo
Enumeration DateApril 10, 2019
Last NPPES UpdateOctober 23, 20253 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
✔ NPI 1255894846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Pediatrics, Critical CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0222X
Licenses✔ Licensed in TX · AP1411171✔ Licensed in TN · 32097
Also ListedPediatrics · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License AP141171 (TX)
6621 FANNIN ST, Houston, TX 77030
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc..Insurance ›

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.

DR. TAKETO BABA M.D.
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
ZACHARY FOUGHTY
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1173
ASHIRA MORGAN KLEIN MD
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
CINDY ANN MILLER PT
Physical Therapist
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 826-1000
JENNA AUSTIN DAVIS PA-C
Physician Assistant
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (804) 955-7043
RONALD EASLEY M.D.
Anesthesiology
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
DENNIS BIER MD
Pediatrics (Pediatric Endocrinology)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 798-7022
DR. DONALD WILLIAMS PARSONS M.D., PH.D.
Pediatrics (Pediatric Hematology-Oncology)
6621 FANNIN ST, MC 3-3320
HOUSTON, TX 77030
Harris County (832) 822-4556

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 Tammy Costic's NPI number?

The NPI number for Tammy Costic is 1255894846. It was assigned to this individual provider in the NPPES registry on April 10, 2019.

Where is Tammy Costic located?

Tammy Costic practices at 6621 Fannin St, Houston, TX 77030. The listed phone number is (888) 226-4343.

What is Tammy Costic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.

What insurance does Tammy Costic accept?

Health plans from Moda Health Plan, Inc. list Tammy Costic 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 Tammy Costic was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.