Zachary R. Barker, DO

Medicare activity in 2024

Official CMS public-use data for Zachary R. Barker, 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. X-ray of chest, 2 views (71046)32 services
2. X-ray of lower and sacral spine, 2-3 views (72100)19 services
3. Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)13 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 cholesterol62%
• Arthritis59%
• COPD38%
• Diabetes35%
• Ischemic heart disease33%

Hospitals where Zachary R. Barker works

Medicare's Facility Affiliation Data lists Zachary R. Barker 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.

• Mercy Hospital SoutheastCape Girardeau, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260110
• Missouri Delta Medical CenterSikeston, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260113
• Saint Francis Medical CenterCape Girardeau, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260183

Practice locations

Addresses where Zachary R. Barker is enrolled with Medicare (CMS data updated October 2, 2026).

• 1102 Sikes AveSikeston, MO 63801
• 112 W Commercial St, Saint Francis Clinic CharlestonCharleston, MO 63834 (573) 683‑4010
• 186 Millar RdEast Prairie, MO 63845 (573) 649‑3551
• 320 N Lincoln St, Saint Francis Clinic East PrairieEast Prairie, MO 63845 (573) 649‑3026

Group practices

Medicare enrollment lists Zachary R. Barker as a member of these groups (CMS data updated October 2, 2026).

• Saint Francis Medical Center443 clinicians in the group
• Health Facilities Rehab Services Inc154 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Missouri →

Other family doctors in Sikeston

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

• Theodore J. Kapanjie, DO
• Jamie D. Harrison, MD
• Claire-Louise S. Young, MD
• Nathan S. Sprengel, DO
• Marc J. Lumsden, DO
• Sarah H. Curry, MD
• Roger L. Troxel, MD
• Monica A. Unterreiner, DO

All family doctors in Sikeston →

Other clinicians in Saint Francis Medical Center

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

• Meera Krishnan, MD
• Shahid K. Choudhary, MD
• Jacob B. Manier, DO
• Michelle E. Propst, CNA
• Chukwuma T. Apakama, MD
• Yen Hui Huang, 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