Quick answers
- Does Nathan B. Tennyson accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan B. Tennyson 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 Nathan B. Tennyson see?
- In 2024, CMS data shows 456 Original Medicare patients and 5,741 services for Nathan B. Tennyson. This counts Original Medicare only and measures volume, not quality.
- What is Nathan B. Tennyson's NPI number?
- 1881986800. 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 Nathan B. Tennyson, 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 | 456 |
|---|---|
| Services billed to Medicare | 5,741 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)1,927 services
- Calculation of radiation therapy dose (77300)783 services
- Radiation treatment management, 5 treatment sessions (77427)587 services
- Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)426 services
- Design and construction of complex radiation treatment device (77334)372 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- Arthritis46%
- Ischemic heart disease40%
- Chronic kidney disease29%
Hospitals where Nathan B. Tennyson works
Medicare's Facility Affiliation Data lists Nathan B. Tennyson 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.
- Cleveland Clinic Martin North HospitalStuart, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100044
- Jupiter Medical CenterJupiter, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100253
Practice locations
Addresses where Nathan B. Tennyson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1240 S Old Dixie HwyJupiter, FL 33458 (561) 263‑4400
Group practices
Medicare enrollment lists Nathan B. Tennyson as a member of this group (CMS data updated October 2, 2026).
- Jupiter Medical Center Physicians Group Inc155 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Florida
Clinicians with the same Medicare primary specialty in Florida — not a recommendation.
Other clinicians in Jupiter Medical Center Physicians Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Florida College Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881986800 |
| 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