Quick answers
- Does Andrew J. Bierhals accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew J. Bierhals accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Andrew J. Bierhals see?
- In 2024, CMS data shows 3,028 Original Medicare patients and 4,192 services for Andrew J. Bierhals. This counts Original Medicare only and measures volume, not quality.
- What is Andrew J. Bierhals's NPI number?
- 1649208976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Andrew J. Bierhals, 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.
| Original Medicare patients | 3,028 |
|---|---|
| Services billed to Medicare | 4,192 |
| Different services or procedures | 131 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)887 services
- X-ray of chest, 2 views (71046)448 services
- Ct scan of abdomen and pelvis with contrast (74177)361 services
- Ct scan of chest without contrast (71250)316 services
- Ct scan of chest with contrast (71260)287 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%
- Arthritis61%
- Ischemic heart disease42%
- Chronic kidney disease40%
- Diabetes35%
Hospitals where Andrew J. Bierhals works
Medicare's Facility Affiliation Data lists Andrew J. Bierhals 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
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- Phelps County Regional Medical CenterRolla, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260017
Practice locations
Addresses where Andrew J. Bierhals is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 362‑7000
- 10 Hospital DrSaint Peters, MO 63376 (636) 916‑9000
- 1000 W 10th St, Phelps HealthRolla, MO 65401 (573) 364‑9000
- 11133 Dunn RdSaint Louis, MO 63136
- 1225 Graham RdFlorissant, MO 63031
Group practices
Medicare enrollment lists Andrew J. Bierhals as a member of these groups (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
- Washington University Physicians in Illinois Inc175 clinicians in the group
- Miracl LLC98 clinicians in the group
- BJC Outpatient Imaging LLC25 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649208976 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians