Quick answers
- Does Sharon Shalom S. Natanzon accept Medicare assignment?
- Yes. Medicare's clinician data says Sharon Shalom S. Natanzon 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 Sharon Shalom S. Natanzon see?
- In 2024, CMS data shows 98 Original Medicare patients and 135 services for Sharon Shalom S. Natanzon. This counts Original Medicare only and measures volume, not quality.
- What is Sharon Shalom S. Natanzon's NPI number?
- 1821790650. 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 Sharon Shalom S. Natanzon, 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 | 98 |
|---|---|
| Services billed to Medicare | 135 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)19 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)13 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%
- Ischemic heart disease75%
- Heart failure74%
- Chronic kidney disease55%
- Diabetes53%
Hospitals where Sharon Shalom S. Natanzon works
Medicare's Facility Affiliation Data lists Sharon Shalom S. Natanzon 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.
- Flagler HospitalSaint Augustine, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100090
- Shands JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100001
Practice locations
Addresses where Sharon Shalom S. Natanzon is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 10475 Centurion Pkwy N, Suite 201Jacksonville, FL 32256 (904) 383‑1004
- 15255 Max Leggett PkwyJacksonville, FL 32218 (904) 383‑1000
- 15255 Max Leggett Pkwy, Suite 3600Jacksonville, FL 32218 (904) 383‑1000
- 653 W 8th StJacksonville, FL 32209
- 653 W 8th St, Ufjp Cardiology DepartmentJacksonville, FL 32209 (904) 244‑4198
Group practices
Medicare enrollment lists Sharon Shalom S. Natanzon as a member of this group (CMS data updated October 2, 2026).
- University of Florida Jacksonville Physicians, Inc.910 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Florida →
Other cardiologists in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.
Other clinicians in University of Florida Jacksonville Physicians, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821790650 |
| 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