Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. TAMMIE WARREN APRN, CPNP-AC/PC
NPI 1386850667
Nurse Practitioner - Acute Care in Fort Worth, TX

Active since May 15, 2007PECOS Enrolled
1500 COOPER ST, FORT WORTH, TX 76104(682) 885-4007(682) 885-3914 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 1, 2026, Aug 24, 2026, Mar 10, 2020 (3 updates tracked since 2020).

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 acute care provider in Fort Worth, Texas, licensed in Texas (AP114957) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386850667
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. TAMMIE WARRENCredential: APRN, CPNP-AC/PC
Location Address1500 COOPER STFort Worth, TX 76104-2710
Mailing AddressPo Box 733784Dallas, TX 75373-3784 · (682) 885-6483 · Fax (682) 885-3113
Fax(682) 885-3914
Sole ProprietorNo
Enumeration DateMay 15, 2007
Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
NPI 1386850667 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 · AP114957
Also ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License 700730 (TX)
1500 COOPER ST, Fort Worth, TX 76104

Accepted 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 76104 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
$87.20 typical visit price
range $56.47 – $171.07
Typical copayment $21.80 (range $14.11 – $42.76)
Most-billed visit code 99203
Established Patient
$99.68 typical visit price
range $18.18 – $139.68
Typical copayment $24.92 (range $4.54 – $34.92)
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.

Pediatrics (Neurodevelopmental Disabilities)
1500 COOPER ST
FORT WORTH, TX 76104
Social Worker (Clinical)
1500 COOPER ST
FORT WORTH, TX 76104
Pediatrics (Pediatric Cardiology)
1500 COOPER ST
FORT WORTH, TX 76104
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1500 COOPER ST
FORT WORTH, TX 76104
Physician Assistant
1500 COOPER ST
FORT WORTH, TX 76104
Physician Assistant
1500 COOPER ST
FORT WORTH, TX 76104
Pediatrics (Pediatric Pulmonology)
1500 COOPER ST
FORT WORTH, TX 76104
Pediatrics (Pediatric Pulmonology)
1500 COOPER ST
FORT WORTH, TX 76104

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 1500 Cooper St, Fort Worth, TX 76104. The listed phone number is (682) 885-4007.

What is Tammie Warren's specialty?

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

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 September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.