Gabriel Castilleja, NP
NPI 1831544808 · Family Nurse Practitioner · Laredo, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabriel Castilleja, NP is a Family Nurse Practitioner provider in Laredo, TX (NPI 1831544808).
Provider details
- NPI number
- 1831544808
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP130878 (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
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
146 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 | 67 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 | $136 |
Typical Medicare-allowed amounts for these services range $64–$136 (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 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 276 | 111 |
| Atorvastatin Calcium | 205 | 103 |
| Losartan Potassium | 168 | 76 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 140 | 66 |
| Furosemide | 131 | 65 |
| Propafenone Hcl | 111 | 35 |
| Lisinopril | 97 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$254 across 7 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
Additional practice locations (1)
- 1710 E Saunders St Fl B5Laredo, TX 78041-5443Phone: (956) 726-0033Fax: (956) 727-5201
Registry dates
- Enumerated
- 2016-04-27
- Last updated
- 2024-04-05
- Certified
- 2024-01-25
Frequently asked questions
- What is Gabriel Castilleja's NPI number?
- Gabriel Castilleja's National Provider Identifier (NPI) is 1831544808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabriel Castilleja's specialty?
- Gabriel Castilleja is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gabriel Castilleja located?
- Gabriel Castilleja's practice location on file with NPPES is 201 W Hillside Rd Ste 17, Laredo, TX 78041-3197.
- What is Gabriel Castilleja's phone number?
- The practice phone number listed in the NPPES registry for Gabriel Castilleja is (956) 394-2502.
- Does Gabriel Castilleja accept Medicare?
- Gabriel Castilleja is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabriel Castilleja's NPI active?
- Yes — Gabriel Castilleja's NPI (1831544808) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.