Quick answers
- Does Andrew J. Krainik accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew J. Krainik 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. Krainik see?
- In 2024, CMS data shows 1,002 Original Medicare patients and 5,529 services for Andrew J. Krainik. This counts Original Medicare only and measures volume, not quality.
- What is Andrew J. Krainik's NPI number?
- 1821010968. 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. Krainik, 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 | 1,002 |
|---|---|
| Services billed to Medicare | 5,529 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)1,467 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)898 services
- Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)573 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)471 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)388 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%
- Atrial fibrillation75%
- Arthritis51%
- Heart failure50%
- Ischemic heart disease49%
Hospitals where Andrew J. Krainik works
Medicare's Facility Affiliation Data lists Andrew J. Krainik 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 St Peters HospitalSaint Peters, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260191
- 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
- Parkland Health CenterFarmington, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260163
- Progress West HospitalOfallon, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260219
Practice locations
Addresses where Andrew J. Krainik is enrolled with Medicare (CMS data updated October 2, 2026).
- 1110 Highlands Plaza Dr ESaint Louis, MO 63110 (314) 273‑0195
- 2630 Hwy KO Fallon, MO 63368 (636) 240‑5454
- 3009 N Ballas RdSaint Louis, MO 63131
- 3015 N Ballas RdSaint Louis, MO 63131 (314) 996‑5772
- 3023 N Ballas Rd, Suite 200dSaint Louis, MO 63131 (314) 996‑7272
Group practices
Medicare enrollment lists Andrew J. Krainik as a member of this group (CMS data updated October 2, 2026).
- Physician Groups LC521 clinicians in the group
Specialties
Other cardiac electrophysiologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Physician Groups LC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821010968 |
| 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