Oscar Villarreal
NPI 1043844970 · Family Nurse Practitioner · Laredo, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oscar Villarreal is a Family Nurse Practitioner provider in Laredo, TX (NPI 1043844970).
Provider details
- NPI number
- 1043844970
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- AP145321 (TX)
Specialties & taxonomies
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
6 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
91 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 91 | $104 |
Typical Medicare-allowed amounts for these services range $104–$104 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 38 | 17 |
| Memantine Hcl | 31 | 12 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 26 | — |
| Brexpiprazolebrand: Rexulti | 24 | — |
| Lamotrigine | 20 | — |
| Gabapentin | 17 | — |
| Levetiracetam | 17 | — |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$281 across 9 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
- 2020-02-29
- Last updated
- 2020-02-29
- Certified
- 2020-02-29
Frequently asked questions
- What is Oscar Villarreal's NPI number?
- Oscar Villarreal's National Provider Identifier (NPI) is 1043844970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oscar Villarreal's specialty?
- Oscar Villarreal is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Oscar Villarreal located?
- Oscar Villarreal's practice location on file with NPPES is 1019 Boston St, Laredo, TX 78041-4307.
- What is Oscar Villarreal's phone number?
- The practice phone number listed in the NPPES registry for Oscar Villarreal is (956) 726-3151.
- Does Oscar Villarreal accept Medicare?
- Oscar Villarreal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oscar Villarreal's NPI active?
- Yes — Oscar Villarreal's NPI (1043844970) is active in the NPPES registry as of the last update on 2020-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.