Doctor profile · Federal record

Dr. Alberto Diaz-Arias, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Columbia, MO

  • NPI 1124072335
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Portland St Ste 110
Columbia, MO 652017390
(573) 886-4600
fax (573) 886-4695

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 20, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Missouri #36752
Medicaid
MO #203171103

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124072335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,644
Distinct HCPCS
10
Medicare allowed
$190,658
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 2,226 820 $34
88305 Pathology examination of tissue using a microscope, intermediate complexity 883 336 $63
88341 Special stained specimen slides to examine tissue, each additional procedure 557 154 $26
88342 Special stained specimen slides to examine tissue, initial procedure 324 255 $32
88360 Microscopic genetic analysis of tumor, manual 211 128 $38
88341 Special stained specimen slides to examine tissue, each additional procedure 107 37 $73
88342 Special stained specimen slides to examine tissue, initial procedure 93 75 $83
88304 Pathology examination of tissue using a microscope, moderately low complexity 63 57 $10
88377 Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 48 47 $60
88108 Cell examination of specimen, concentration technique 41 41 $57

In context: peer comparison

Among 16 peers in this city , average services per provider: 160. This provider delivers 29× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alberto Diaz-Arias's medical specialty?
Dr. Alberto Diaz-Arias practices Anatomic Pathology & Clinical Pathology Physician in Columbia, MO.
Where does Dr. Alberto Diaz-Arias practice?
Dr. Alberto Diaz-Arias practices at 300 Portland St Ste 110, Columbia, MO 652017390. Office phone: 5738864600.
What is Dr. Alberto Diaz-Arias's NPI?
Dr. Alberto Diaz-Arias's National Provider Identifier (NPI) is 1124072335, issued by NPPES.
Does Dr. Alberto Diaz-Arias accept Medicare assignment?
Yes. Dr. Alberto Diaz-Arias accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alberto Diaz-Arias commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.