Sierra Lujan, PHYSICIAN ASSISTANT
NPI 1710847041 · Medical Physician Assistant · Upland, CA
Sierra Lujan, PHYSICIAN ASSISTANT is a Medical Physician Assistant provider in Upland, CA (NPI 1710847041).
Provider details
- NPI number
- 1710847041
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHYSICIAN ASSISTANT
- Sex
- Female
- Sole proprietor
- No
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
Under 1 yr in registry
- Profile completeness38% of score
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-11-18
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Sierra Lujan's NPI number?
- Sierra Lujan's National Provider Identifier (NPI) is 1710847041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Lujan's specialty?
- Sierra Lujan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sierra Lujan located?
- Sierra Lujan's practice location on file with NPPES is 1162 E 19th St, Upland, CA 91784-9217.
- What is Sierra Lujan's phone number?
- The practice phone number listed in the NPPES registry for Sierra Lujan is (909) 938-3828.
- Is Sierra Lujan's NPI active?
- Yes — Sierra Lujan's NPI (1710847041) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.