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

SHIRLEY YONG BILLIOT PMHNP
NPI 1649581992
Nurse Practitioner - Psychiatric/Mental Health in Houston, TX

Active since July 01, 2010PECOS Enrolled
921 GESSNER RD, HOUSTON, TX 77024(713) 242-3768(713) 984-6854 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 21, 2026, Nov 30, 2022 (2 updates tracked since 2022).

About Shirley Yong Billiot Pmhnp NPPES

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

SHIRLEY YONG BILLIOT PMHNP (NPI 1649581992) is an individual psychiatric/mental health provider in Houston, Texas, licensed in Texas (AP123741) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Webster, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1649581992
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSHIRLEY YONG BILLIOTCredential: PMHNP
Location Address921 GESSNER RDHouston, TX 77024-2501
Mailing Address930 Frostwood Dr Ste 2.200Houston, TX 77024-2450 · (713) 338-4523 · Fax (713) 338-6500
Fax(713) 984-6854
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 1, 2010
Last NPPES UpdateSeptember 21, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2026
✔ NPI 1649581992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in TX · AP123741✔ Licensed in TN · 15157✔ Licensed in NC · 5006380
Also ListedRegistered NurseTaxonomy 163W00000X · License RN0000151201 (TN)
Also ListedClinical Nurse Specialist · Psychiatric/Mental HealthTaxonomy 364SP0808X · License 0024170526 (VA)
921 GESSNER RD, Houston, TX 77024

Secondary Practice Location 1

Location 1150 E Medical Center BlvdWebster, TX 77598-4373 · Phone (281) 481-4646 · Fax (423) 467-3644

Other Identifiers 1

Medicaid1520055TN

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 and accepts Medicare assignment

Shirley Yong Billiot Pmhnp 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 ID4385839497
PECOS Enrollment IDI20200619000468
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.

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77024 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Nurse Practitioner (Acute Care)
921 GESSNER RD
HOUSTON, TX 77024
Physician Assistant (Surgical)
921 GESSNER RD
HOUSTON, TX 77024
Physician Assistant
921 GESSNER RD
HOUSTON, TX 77024
Nurse Anesthetist, Certified Registered
921 GESSNER RD
HOUSTON, TX 77024
Hospitalist
921 GESSNER RD
HOUSTON, TX 77024
Pediatrics (Neonatal-Perinatal Medicine)
921 GESSNER RD
HOUSTON, TX 77024
Nurse Practitioner (Psychiatric/Mental Health)
921 GESSNER RD
HOUSTON, TX 77024
Hospitalist
921 GESSNER RD
HOUSTON, TX 77024

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 Shirley Billiot's NPI number?

The NPI number for Shirley Billiot is 1649581992. It was assigned to this individual provider in the NPPES registry on July 1, 2010.

Where is Shirley Billiot located?

Shirley Billiot practices at 921 Gessner Rd, Houston, TX 77024. The listed phone number is (713) 242-3768.

What is Shirley Billiot's specialty?

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

Is Shirley Billiot enrolled in Medicare?

Yes. Shirley Billiot 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.

What insurance does Shirley Billiot accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and UnitedHealthcare list Shirley Billiot 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 Shirley Billiot was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.