Wilian Grijalva
NPI 1831872357 · Family Nurse Practitioner · Bonsall, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wilian Grijalva is a Family Nurse Practitioner provider in Bonsall, CA (NPI 1831872357).
Provider details
- NPI number
- 1831872357
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95026675 (CA)
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 tenure38% of score
2 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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 116 | 54 |
| Atorvastatin Calcium | 103 | 44 |
| Rosuvastatin Calcium | 90 | 37 |
| Empagliflozinbrand: Jardiance | 66 | 21 |
| Semaglutidebrand: Ozempic | 64 | 21 |
| Gabapentin | 51 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-10
- Last updated
- 2023-08-15
- Certified
- 2023-08-15
Frequently asked questions
- What is Wilian Grijalva's NPI number?
- Wilian Grijalva's National Provider Identifier (NPI) is 1831872357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilian Grijalva's specialty?
- Wilian Grijalva is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wilian Grijalva located?
- Wilian Grijalva's practice location on file with NPPES is 5459 Meridian Pl, Bonsall, CA 92003-3739.
- What is Wilian Grijalva's phone number?
- The practice phone number listed in the NPPES registry for Wilian Grijalva is (949) 547-0486.
- Does Wilian Grijalva accept Medicare?
- Wilian Grijalva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wilian Grijalva's NPI active?
- Yes — Wilian Grijalva's NPI (1831872357) is active in the NPPES registry as of the last update on 2023-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.