Andrew T. Valleroy, MD

Medicare activity in 2024

Official CMS public-use data for Andrew T. Valleroy, 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 moderate level of decision making, if using time, 30 minutes or more (99214)199 services
2. 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)110 services
3. Insertion of needle into vein for collection of blood sample (36415)84 services
4. Blood test, comprehensive group of blood chemicals (80053)72 services
5. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)68 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 pressure73%
• Arthritis46%
• Chronic kidney disease32%
• Diabetes30%
• Ischemic heart disease27%

Hospitals where Andrew T. Valleroy works

Medicare's Facility Affiliation Data lists Andrew T. Valleroy 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
• Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260052

Practice locations

Addresses where Andrew T. Valleroy is enrolled with Medicare (CMS data updated October 2, 2026).

• 3195 Phoenix Ctr DrWashington, MO 63090 (636) 231‑3020

Group practices

Medicare enrollment lists Andrew T. Valleroy as a member of this group (CMS data updated October 2, 2026).

• American Multispecialty Group Inc116 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Missouri →

Other family doctors in Washington

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

• David P. Guss, MD
• Megan R. Landis
• Michael W. Nash, MD
• Kristin Weidle, MD
• Shannon E. Witty, MD
• Andrea R. Richards, MD
• Gina M. Seeck, MD
• Alissa N. Galas, MD

All family doctors in Washington →

Other clinicians in American Multispecialty Group Inc

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

• Brian Bergfeld, MD
• David P. Guss, MD
• Ashley J. McIntyre
• Elizabeth A. Gordon
• Erin R. Fick, DO
• Christopher B. Espana, 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