Quick answers
- Does Michael J. Porter Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Porter Jr. 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 Michael J. Porter Jr. see?
- In 2024, CMS data shows 790 Original Medicare patients and 2,170 services for Michael J. Porter Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Michael J. Porter Jr.'s NPI number?
- 1225074511. 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 Michael J. Porter 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.
| Original Medicare patients | 790 |
|---|---|
| Services billed to Medicare | 2,170 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)383 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)290 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)160 services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)101 services
- Programming of dual lead pacemaker system (93280)96 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 fibrillation70%
- Ischemic heart disease62%
- Arthritis53%
- Heart failure45%
Hospitals where Michael J. Porter Jr. works
Medicare's Facility Affiliation Data lists Michael J. Porter 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.
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140213
Practice locations
Addresses where Michael J. Porter Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 10260 191st St, Suite 102Mokena, IL 60448 (708) 478‑4224
Group practices
Medicare enrollment lists Michael J. Porter Jr. as a member of this group (CMS data updated October 2, 2026).
- Heart Care Centers of Illinois, S.C.38 clinicians in the group
Specialties
Other cardiac electrophysiologists in Mokena
Clinicians with the same Medicare primary specialty in Mokena, IL — not a recommendation.
Other clinicians in Heart Care Centers of Illinois, S.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225074511 |
| 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