John G. Adams Jr., MD

Medicare activity in 2024

Official CMS public-use data for John G. Adams Jr., 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. Fusion of lower spine bone through abdomen with partial removal of disc (22558)27 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 services
3. Fusion of spine bones through front of body with partial removal of disc, each additional disc (22585)13 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)12 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 cholesterol75%
• Arthritis75%
• Depression41%
• Anxiety41%

Hospitals where John G. Adams Jr. works

Medicare's Facility Affiliation Data lists John G. Adams Jr. 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.

• SSM Health St. Mary's Hospital - Jefferson CityJefferson City, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260011
• University of Missouri Health CareColumbia, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260141

Practice locations

Addresses where John G. Adams Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 2505 Mission Dr, Suite 130Jefferson City, MO 65109 (573) 681‑3585

Group practices

Medicare enrollment lists John G. Adams Jr. as a member of this group (CMS data updated October 2, 2026).

• SSM Regional Health Services166 clinicians in the group

Specialties

• Vascular Surgeryprimary
• General Surgeryalso

Find other Vascular Surgery doctors in Missouri →

Other vascular surgeons in Missouri

Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.

• Vipul Khetarpaul, MD
• David Kull, MD
• Jack R. Oak, MD
• Jennifer L. Sanford, MD
• Ryan M. McEnaney, MD
• Randy G. Brown, MD
• Thomas D. Creeden, DO
• Ketan M. Desai, MD

All vascular surgeons in Missouri →

Other clinicians in SSM Regional Health Services

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

• Benjamin M. Kinderknecht, DO
• Phyllis Eason, MD
• Donald R. Thompson, MD
• Jacob Bly
• Robert P. Snyder
• Sonya L. Bradford Varner

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