Luis Tan, M.D.
NPI 1295823854 · Hospitalist Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Tan, M.D. is a Hospitalist Physician provider in Lancaster, CA (NPI 1295823854).
Provider details
- NPI number
- 1295823854
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A46580 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2025-09-11
Frequently asked questions
- What is Luis Tan's NPI number?
- Luis Tan's National Provider Identifier (NPI) is 1295823854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Tan's specialty?
- Luis Tan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Tan located?
- Luis Tan's practice location on file with NPPES is 43839 15th St W, Lancaster, CA 93534-4756.
- What is Luis Tan's phone number?
- The practice phone number listed in the NPPES registry for Luis Tan is (661) 945-5984.
- Does Luis Tan accept Medicare?
- Luis Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luis Tan's NPI active?
- Yes — Luis Tan's NPI (1295823854) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.