Alberto A. Diaz-Arias, MD

Medicare activity in 2024

Official CMS public-use data for Alberto A. Diaz-Arias, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Pathology examination of tissue using a microscope, intermediate complexity (88305)2,282 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)327 services
3. Special stained specimen slides to examine tissue, initial procedure (88342)313 services
4. Microscopic genetic analysis of tumor, manual (88360)90 services
5. Pathology examination of tissue using a microscope, moderately low complexity (88304)70 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol66%
• Arthritis41%
• Diabetes29%
• Depression25%
• COPD25%

Hospitals where Alberto A. Diaz-Arias works

Medicare's Facility Affiliation Data lists Alberto A. Diaz-Arias at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Fitzgibbon HospitalMarshall, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260142
• Macon County Samaritan Memorial HospitalMacon, MO · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 261313
• Northeast Regional Medical CenterKirksville, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260022
• Ozarks HealthcareWest Plains, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260078
• Pershing Memorial HospitalBrookfield, MO · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 261307

Practice locations

Addresses where Alberto A. Diaz-Arias is enrolled with Medicare (CMS data updated October 2, 2026).

• 601 E 14th StSedalia, MO 65301

Group practices

Medicare enrollment lists Alberto A. Diaz-Arias as a member of this group (CMS data updated October 2, 2026).

• Boyce and Bynum Pathology Professional Services Inc15 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Missouri →

Other pathologists in Sedalia

Clinicians with the same Medicare primary specialty in Sedalia, MO — not a recommendation.

• Lawrence D. Henry, MD
• Steven J. Haas, MD
• Grant V. Darkow, MD
• James T. Edinger, MD
• Michael D. Curry

All pathologists in Sedalia →

Other clinicians in Boyce and Bynum Pathology Professional Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Alexander S. Taylor, MD
• Lawrence D. Henry, MD
• Leslie K. Handlin, MD
• Grant V. Darkow, MD
• Anna C. Venneman, MD
• Steven J. Haas, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians