THRESIA J ALLEN RN, NP-C
NPI 1245422203
Nurse Practitioner in Elgin, TX

Active since August 14, 2007PECOS EnrolledAccepts Medicare Assignment
1392 W US HIGHWAY 290, UNIT 2, ELGIN, TX 78621(512) 285-3315(512) 281-2872 Get Directions Write a Review

NPPES record last updated: October 24, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 24, 2022, Feb 20, 2017, Feb 13, 2017 (3 updates tracked since 2017).

About Thresia J Allen Rn, Np-c NPPES

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

THRESIA J ALLEN RN, NP-C (NPI 1245422203) is an individual nurse practitioner in Elgin, Texas, licensed in Texas (576947) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Hays, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1245422203
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameTHRESIA J ALLENCredential: RN, NP-C
Location Address1392 W US HIGHWAY 290, UNIT 2Elgin, TX 78621
Mailing Address1392 W Us Highway 290, Unit 2Elgin, TX 78621 · (512) 285-3315 · Fax (512) 281-2872
Fax(512) 281-2872
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateAugust 14, 2007
Last NPPES UpdateOctober 24, 20223 updates tracked since enumeration
NPPES CertifiedOctober 18, 2022
✔ NPI 1245422203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in TX · 576947
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1392 W US HIGHWAY 290, Elgin, TX 78621

Other Identifiers 2

Medicaid189029502TX
Medicaid189029501TX

Accepted 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

Thresia J Allen Rn, Np-c 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 ID6002906427
PECOS Enrollment IDI20071221000113
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 Thresia Allen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rural Health
630 HIGHWAY 71 W STE E
Bastrop, TX 78602
  • Reassigned Medicare billing, Texas enrollment
  • 101 clinicians in this Medicare group
Family Medicine
3708 JEFFERSON ST, SUITE A
Austin, TX 78731
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Wellmed Medical Group PA
  • 762 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
228 services132 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
174 services99 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
68 services51 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
56 services56 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
25 services20 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension Seton Hays

Acute Care Hospitals · Kyle, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670056
Location6001 Kyle PkwyKyle, TX 78640 · Hays County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78621 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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

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

Family Medicine
1392 W US HIGHWAY 290, UNIT 2
ELGIN, TX 78621

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 Thresia Allen's NPI number?

The NPI number for Thresia Allen is 1245422203. It was assigned to this individual provider in the NPPES registry on August 14, 2007.

Where is Thresia Allen located?

Thresia Allen practices at 1392 W Us Highway 290 Unit 2, Elgin, TX 78621. The listed phone number is (512) 285-3315.

What is Thresia Allen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Thresia Allen enrolled in Medicare?

Yes. Thresia Allen 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 Thresia Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thresia Allen reassigns Medicare benefits to 2 organizations: Ascension Seton (Bastrop, TX) and Wellmed Medical Group, P.A. (Austin, 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 Thresia Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thresia Allen accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Thresia Allen 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.

Is Thresia Allen affiliated with any hospitals?

According to CMS data, Thresia Allen is affiliated with Ascension Seton Hays.

When was this NPI record last updated?

The NPPES record for Thresia Allen was last updated on October 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.