Javier Arias-Stella, M.D.
NPI 1427469758 · Anatomic Pathology & Clinical Pathology Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Javier Arias-Stella, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Duarte, CA (NPI 1427469758).
Provider details
- NPI number
- 1427469758
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A157416 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,772 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Molecular Pathology Procedure; Physician Interpretation and ReportG0452 | 319 | $50 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 288 | $44 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 215 | $87 |
| Molecular Pathology Procedure; Physician Interpretation and ReportG0452 | 186 | $50 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 155 | $39 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 143 | $30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-08
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Javier Arias-Stella's NPI number?
- Javier Arias-Stella's National Provider Identifier (NPI) is 1427469758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Javier Arias-Stella's specialty?
- Javier Arias-Stella is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Javier Arias-Stella located?
- Javier Arias-Stella's practice location on file with NPPES is 1500 E. Duarte Road, Duarte, CA 91010.
- What is Javier Arias-Stella's phone number?
- The practice phone number listed in the NPPES registry for Javier Arias-Stella is (626) 256-4673.
- Does Javier Arias-Stella accept Medicare?
- Javier Arias-Stella is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Javier Arias-Stella's NPI active?
- Yes — Javier Arias-Stella's NPI (1427469758) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.