Quick answers
- Does Arne Sippens Groenewegen accept Medicare assignment?
- Yes. Medicare's clinician data says Arne Sippens Groenewegen 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 Arne Sippens Groenewegen see?
- In 2024, CMS data shows 1,052 Original Medicare patients and 6,217 services for Arne Sippens Groenewegen. This counts Original Medicare only and measures volume, not quality.
- What is Arne Sippens Groenewegen's NPI number?
- 1316990997. 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 Arne Sippens Groenewegen, 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 | 1,052 |
|---|---|
| Services billed to Medicare | 6,217 |
| Different services or procedures | 68 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,053 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)1,048 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)811 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)498 services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)399 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%
- Arthritis55%
- Ischemic heart disease55%
- Diabetes42%
Hospitals where Arne Sippens Groenewegen works
Medicare's Facility Affiliation Data lists Arne Sippens Groenewegen 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.
- Ascension St Vincent's RiversideJacksonville, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100040
- Ascension St Vincent's SouthsideJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100307
- Bacon County HospitalAlma, GA · Critical Access Hospital · Emergency services: not listed by Medicare · CCN 111327
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100088
- Memorial Satilla HealthWaycross, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110003
Practice locations
Addresses where Arne Sippens Groenewegen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1506 Alice StWaycross, GA 31501 (912) 285‑3087
- 1658 St Vincent'S WayMiddleburg, FL 32068
- 1801 Barrs St, Suite 120Jacksonville, FL 32204 (904) 308‑2006
- 4205 Belfort RdJacksonville, FL 32216
Group practices
Medicare enrollment lists Arne Sippens Groenewegen as a member of this group (CMS data updated October 2, 2026).
- St Vincent's Ambulatory Care Inc310 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Other cardiac electrophysiologists in Waycross
Clinicians with the same Medicare primary specialty in Waycross, GA — not a recommendation.
Other clinicians in St Vincent's Ambulatory Care Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316990997 |
| 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