Doctor profile · Federal record

Dr. Javier Arias-Stella, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Duarte, CA

  • NPI 1427469758
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E. Duarte Road
Duarte, CA 91010
(626) 256-4673
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
November 4, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A157416

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427469758. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,600
Distinct HCPCS
9
Medicare allowed
$75,278
HCPCS Description Services Patients Avg allowed
G0452 Molecular pathology procedure; physician interpretation and report 983 467 $50
88341 Special stained specimen slides to examine tissue, each additional procedure 146 36 $30
88381 Preparation of specimen, manual 140 138 $25
88307 Pathology examination of tissue using a microscope, moderately high complexity 76 23 $86
88342 Special stained specimen slides to examine tissue, initial procedure 72 41 $37
88305 Pathology examination of tissue using a microscope, intermediate complexity 65 42 $39
88360 Microscopic genetic analysis of tumor, manual 59 25 $44
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 46 45 $88
88300 Pathology examination of tissue using a microscope, limited examination 13 12 $5

In context: peer comparison

Among 8 peers in Duarte Anatomic Pathology & Clinical Pathology Physician, average services per provider: 220. This provider delivers 7.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Javier Arias-Stella's medical specialty?
Dr. Javier Arias-Stella practices Anatomic Pathology & Clinical Pathology Physician in Duarte, CA.
Where does Dr. Javier Arias-Stella practice?
Dr. Javier Arias-Stella practices at 1500 E. Duarte Road, Duarte, CA 91010. Office phone: 6262564673.
What is Dr. Javier Arias-Stella's NPI?
Dr. Javier Arias-Stella's National Provider Identifier (NPI) is 1427469758, issued by NPPES.
Does Dr. Javier Arias-Stella accept Medicare assignment?
Yes. Dr. Javier Arias-Stella accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Javier Arias-Stella commonly perform?
Top Medicare-reported procedures in 2023: Molecular pathology procedure; physician interpretation and report (HCPCS G0452); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Preparation of specimen, manual (HCPCS 88381). Source: CMS Medicare Physician & Other Practitioners file.