Joseph M. Duvall, MD

Medicare activity in 2024

Official CMS public-use data for Joseph M. Duvall, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)919 services
2. Biopsy of related skin growth, first growth (11102)331 services
3. Destruction of precancer skin growth, 2-14 growths (17003)306 services
4. Destruction of skin growth, 1-14 growths (17110)221 services
5. Destruction of precancer skin growth, 1 growth (17000)175 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 cholesterol75%
• High blood pressure67%
• Arthritis48%
• Ischemic heart disease24%
• Chronic kidney disease22%
• Diabetes20%

Hospitals where Joseph M. Duvall works

Medicare's Facility Affiliation Data lists Joseph M. Duvall 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 St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020

Practice locations

Addresses where Joseph M. Duvall is enrolled with Medicare (CMS data updated October 2, 2026).

• 615 S New Ballas RdSaint Louis, MO 63141
• 615 S New Ballas Rd, Mercy Jfk ClinicSt Louis, MO 63141 (314) 251‑6382
• 615 S New Ballas Rd Administration BSt Louis, MO 63141
• 621 S New Ballas Rd, Suite 5002bSaint Louis, MO 63141 (314) 432‑3033

Group practices

Medicare enrollment lists Joseph M. Duvall as a member of these groups (CMS data updated October 2, 2026).

• Mercy Hospitals East Communities98 clinicians in the group
• Vitalskin Medical Group Il PLLC56 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in Missouri →

Other dermatologists in Saint Louis

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

• Lawrence S. Feigenbaum
• Martha L. Council, MD
• Sino Mehrmal, DO
• William H. McCoy Iv, MD
• Sunaina Rengarajan, MD
• Aibing M. Guo, MD
• Jason B. Amato, MD
• Saniya Shaikh, DO

All dermatologists in Saint Louis →

Other clinicians in Mercy Hospitals East Communities

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

• John H. Wilmas Jr., MD
• Marc J. Bernstein, MD
• Kelly Thomas
• Anne Laird, CNM
• Kallie Harrison, MD
• Octavio R. Chirino, 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