Quick answers
- Does Thomas I. Rosenfield accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas I. Rosenfield 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 Thomas I. Rosenfield see?
- In 2024, CMS data shows 710 Original Medicare patients and 1,438 services for Thomas I. Rosenfield. This counts Original Medicare only and measures volume, not quality.
- What is Thomas I. Rosenfield's NPI number?
- 1770539850. 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 Thomas I. Rosenfield, 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 | 710 |
|---|---|
| Services billed to Medicare | 1,438 |
| Different services or procedures | 25 |
| 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)602 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)254 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)157 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)101 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)87 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%
- Arthritis57%
- Ischemic heart disease38%
- Anxiety30%
- Chronic kidney disease29%
Hospitals where Thomas I. Rosenfield works
Medicare's Facility Affiliation Data lists Thomas I. Rosenfield 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.
- Bethesda Hospital EastBoynton Beach, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100002
- HCA Florida JFK HospitalAtlantis, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100080
- Wellington Regional Medical CenterWellington, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100275
Practice locations
Addresses where Thomas I. Rosenfield is enrolled with Medicare (CMS data updated October 2, 2026).
- 5401 S Congress Ave, Suite 211Atlantis, FL 33462 (214) 424‑2200
Group practices
Medicare enrollment lists Thomas I. Rosenfield as a member of this group (CMS data updated October 2, 2026).
- Gastroenterology Associates of Florida LLC12 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Atlantis
Clinicians with the same Medicare primary specialty in Atlantis, FL — not a recommendation.
Other clinicians in Gastroenterology Associates of Florida LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770539850 |
| 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