MR. SAVINIEN SIEWE PMHNP - BC
NPI 1124719380
Nurse Practitioner - Psychiatric/Mental Health in Killeen, TX

Active since May 18, 2023PECOS EnrolledAccepts Medicare Assignment
809 S W S YOUNG DR, KILLEEN, TX 76543(254) 226-3090(888) 595-2540 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 15, 2026, Jul 8, 2024, May 18, 2023 (3 updates tracked since 2023).

About Mr. Savinien Siewe Pmhnp - Bc NPPES

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

MR. SAVINIEN SIEWE PMHNP - BC (NPI 1124719380) is an individual psychiatric/mental health provider in Killeen, Texas, licensed in Texas (1194536) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Manhattan, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1124719380
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. SAVINIEN SIEWECredential: PMHNP - BC
Location Address809 S W S YOUNG DRKilleen, TX 76543-4801
Mailing Address21873 Woodcock WayClarksburg, MD 20871-9527 · (301) 404-1751
Fax(888) 595-2540
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateMay 18, 2023
Last NPPES UpdateJanuary 15, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
✔ NPI 1124719380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in TX · 1194536
809 S W S YOUNG DR, Killeen, TX 76543

Secondary Practice Location 1

Location 12001 Claflin RdManhattan, KS 66502-3415 · Phone (785) 587-4300

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

Mr. Savinien Siewe Pmhnp - Bc 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 ID941656748
PECOS Enrollment IDI20250513003415
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

4

Medicare enrollment records show Savinien Siewe reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
8207 CALLAGHAN RD STE 200
San Antonio, TX 78230
  • Reassigned Medicare billing, Texas enrollment
  • 13 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Texas enrollment
  • 1,246 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
2001 CLAFLIN RD
Manhattan, KS 66502
  • Reassigned Medicare billing, Kansas enrollment
  • 57 clinicians in this Medicare group
Psychologist
4409 E WEST HWY
Riverdale, MD 20737
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 78 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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76543 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 2

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

Nurse Practitioner (Psychiatric/Mental Health)
809 S W S YOUNG DR
KILLEEN, TX 76543
Community/Behavioral Health
809 S W S YOUNG DR
KILLEEN, TX 76543

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 Savinien Siewe's NPI number?

The NPI number for Savinien Siewe is 1124719380. It was assigned to this individual provider in the NPPES registry on May 18, 2023.

Where is Savinien Siewe located?

Savinien Siewe practices at 809 S W S Young Dr, Killeen, TX 76543. The listed phone number is (254) 226-3090.

What is Savinien Siewe's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Savinien Siewe enrolled in Medicare?

Yes. Savinien Siewe 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 Savinien Siewe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Savinien Siewe reassigns Medicare benefits to 4 organizations: Freedom Behavioral Health - Killeen PLLC (San Antonio, TX), Signify Health Medical Associates, PLLC (Dallas, TX), Pawnee Mental Health Service, Inc. (Manhattan, KS) and Supportive Care Of Maryland LLC (Riverdale, MD). 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 Savinien Siewe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Savinien Siewe accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Oscar Insurance Company, UnitedHealthcare and WellPoint list Savinien Siewe 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 Savinien Siewe was last updated on January 15, 2026. 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.