Maylen Castro Guerra
NPI 1003438615 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maylen Castro Guerra is a Family Nurse Practitioner provider in Houston, TX (NPI 1003438615).
Provider details
- NPI number
- 1003438615
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 988416 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 4 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 14 | 14 |
| Metformin Hcl | 14 | 11 |
| Celecoxib | 12 | — |
| Ibuprofen | 11 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-18
- Last updated
- 2024-02-14
- Certified
- 2024-02-14
Frequently asked questions
- What is Maylen Castro Guerra's NPI number?
- Maylen Castro Guerra's National Provider Identifier (NPI) is 1003438615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maylen Castro Guerra's specialty?
- Maylen Castro Guerra is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maylen Castro Guerra located?
- Maylen Castro Guerra's practice location on file with NPPES is 1888 Barker Cypress Rd, Houston, TX 77084-4578.
- What is Maylen Castro Guerra's phone number?
- The practice phone number listed in the NPPES registry for Maylen Castro Guerra is (281) 840-1455.
- Does Maylen Castro Guerra accept Medicare?
- Maylen Castro Guerra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maylen Castro Guerra's NPI active?
- Yes — Maylen Castro Guerra's NPI (1003438615) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.