Liwayway Guadalquiver, FNP
NPI 1396181079 · Family Nurse Practitioner · Brownsville, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liwayway Guadalquiver, FNP is a Family Nurse Practitioner provider in Brownsville, TX (NPI 1396181079).
Provider details
- NPI number
- 1396181079
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP123584 (TX)
Specialties & taxonomies
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 tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
263 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $74 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 35 | $91 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 32 | $16 |
| Automated Urinalysis Test81003 | 29 | $2 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 26 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 79 | 48 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 53 | 49 |
| Amlodipine Besylate | 52 | 32 |
| Gabapentin | 44 | 27 |
| Cephalexin | 40 | 40 |
| Lisinopril | 40 | 24 |
| Methylprednisolone | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$114 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-21
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Liwayway Guadalquiver's NPI number?
- Liwayway Guadalquiver's National Provider Identifier (NPI) is 1396181079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liwayway Guadalquiver's specialty?
- Liwayway Guadalquiver is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Liwayway Guadalquiver located?
- Liwayway Guadalquiver's practice location on file with NPPES is 3772 Calle Nortena, Brownsville, TX 78526.
- What is Liwayway Guadalquiver's phone number?
- The practice phone number listed in the NPPES registry for Liwayway Guadalquiver is (956) 455-8510.
- Does Liwayway Guadalquiver accept Medicare?
- Liwayway Guadalquiver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liwayway Guadalquiver's NPI active?
- Yes — Liwayway Guadalquiver's NPI (1396181079) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.