Arun S. Varadhachary, MD

Medicare activity in 2024

Official CMS public-use data for Arun S. Varadhachary, 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. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)55 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)33 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)33 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)24 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 pressure71%
• High cholesterol69%
• Arthritis51%
• Anxiety35%
• Ischemic heart disease30%
• Diabetes29%

Hospitals where Arun S. Varadhachary works

Medicare's Facility Affiliation Data lists Arun S. Varadhachary 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.

• Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
• Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260191
• Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
• Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
• Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108

Practice locations

Addresses where Arun S. Varadhachary is enrolled with Medicare (CMS data updated October 2, 2026).

• 4921 Parkview Pl, Suite 6cSaint Louis, MO 63110 (314) 362‑1408

Group practices

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

• Washington University3,029 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Missouri →

Other neurologists in Saint Louis

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

• Jee Young Han, MD
• Andrew Findlay, MD
• Jameson Holloman, MD
• Richard A. Head, MD
• Brent A. Huffman, MD
• Ksenija Kos, MD
• Francesca M. Pastrana, MD
• Mwiza Ushe, MD

All neurologists in Saint Louis →

Other clinicians in Washington University

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

• Nicole Schweiss
• Dianne S. Deck, NP
• Samuel A. Urrutia Argueta, MD
• Jee Young Han, MD
• David B. Schwartz, MD
• Bradley D. Freeman, 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