Derrall S. Parker, MD

Medicare activity in 2024

Official CMS public-use data for Derrall S. Parker, 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. Measurement of corneal curvature and depth of eye (92136)645 services
2. Removal of cataract with insertion of prosthetic lens (66984)621 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)466 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)443 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)398 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 cholesterol72%
• Arthritis45%
• Diabetes26%
• Anxiety23%
• Ischemic heart disease21%

Hospitals where Derrall S. Parker works

Medicare's Facility Affiliation Data lists Derrall S. Parker 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
• 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 Derrall S. Parker is enrolled with Medicare (CMS data updated October 2, 2026).

• 1275 Cedar Court, Suite 1Carbondale, IL 62901 (573) 335‑3577
• 211 Saint Francis DrCape Girardeau, MO 63703 (573) 335‑3000
• 3415 Office Park Dr, Suite CMarion, IL 62959 (618) 993‑2080
• 360 S Mount Auburn RdCape Girardeau, MO 63703 (573) 335‑3577

Group practices

Medicare enrollment lists Derrall S. Parker as a member of this group (CMS data updated October 2, 2026).

• Eye Care Specialists LLC6 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Illinois →

Other ophthalmologists in Carbondale

Clinicians with the same Medicare primary specialty in Carbondale, IL — not a recommendation.

• Omar Ahmad, MD
• David J. Westrich, MD
• Tatyana I. Metelitsina, MD
• Todd J. Lumsden, DO

All ophthalmologists in Carbondale →

Other clinicians in Eye Care Specialists LLC

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

• Bradley J. Stuckenschneider, MD
• David J. Westrich, MD
• Tatyana I. Metelitsina, MD
• John R. Kinder, MD
• Todd J. Lumsden, DO

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