Shirley Billiot, PMHNP
NPI 1649581992 · Psychiatric/Mental Health Nurse Practitioner · Webster, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shirley Billiot, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Webster, TX (NPI 1649581992).
Provider details
- NPI number
- 1649581992
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN0000151201 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
21 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $138 |
Typical Medicare-allowed amounts for these services range $138–$138 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 35 | 15 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 35 | 14 |
| Trazodone Hcl | 34 | 13 |
| Duloxetine Hcl | 33 | 11 |
| Quetiapine Fumarate | 29 | — |
| Buspirone Hcl | 18 | — |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-01
- Last updated
- 2022-11-30
- Certified
- 2022-11-30
Frequently asked questions
- What is Shirley Billiot's NPI number?
- Shirley Billiot's National Provider Identifier (NPI) is 1649581992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Billiot's specialty?
- Shirley Billiot is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shirley Billiot located?
- Shirley Billiot's practice location on file with NPPES is 150 E Medical Center Blvd, Webster, TX 77598-4373.
- What is Shirley Billiot's phone number?
- The practice phone number listed in the NPPES registry for Shirley Billiot is (281) 481-4646.
- Does Shirley Billiot accept Medicare?
- Shirley Billiot is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shirley Billiot's NPI active?
- Yes — Shirley Billiot's NPI (1649581992) is active in the NPPES registry as of the last update on 2022-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.