Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Jennifer M. Mariani

Works at hospitals in Sebring, FL · Wauchula, FL · Winter Haven, FL · Florida

Summary

Jennifer M. Mariani is a nurse practitioner at 596 US Hwy 27 N, Avon Park, FL 33825. Accepts Medicare assignment. In 2024, Jennifer M. Mariani had 456 Original Medicare patients and 54,642 services. NPI 1245687805. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer M. Mariani, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer M. Mariani accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer M. Mariani 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 Jennifer M. Mariani see?
In 2024, CMS data shows 456 Original Medicare patients and 54,642 services for Jennifer M. Mariani. This counts Original Medicare only and measures volume, not quality.
What is Jennifer M. Mariani's NPI number?
1245687805. 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 Jennifer M. Mariani, 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 patients456
Services billed to Medicare54,642
Different services or procedures66
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, tocilizumab, 1 mg (J3262)22,452 services
  2. Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)16,000 services
  3. Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)4,800 services
  4. Injection, denosumab, 1 mg (J0897)1,920 services
  5. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,498 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%
  • Arthritis75%
  • Osteoporosis42%
  • Depression40%
  • Anxiety37%

Hospitals where Jennifer M. Mariani works

Medicare's Facility Affiliation Data lists Jennifer M. Mariani 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.

  • AdventHealth SebringSebring, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100109
  • AdventHealth WauchulaWauchula, FL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 101300
  • Winter Haven HospitalWinter Haven, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100052

Practice locations

Addresses where Jennifer M. Mariani is enrolled with Medicare (CMS data updated October 2, 2026).

  • 596 US Hwy 27 NAvon Park, FL 33825

Group practices

Medicare enrollment lists Jennifer M. Mariani as a member of this group (CMS data updated October 2, 2026).

  • Highlands Advanced Rheumatology and Arthritis Center Pl4 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Florida →

Other nurse practitioners in Avon Park

Clinicians with the same Medicare primary specialty in Avon Park, FL — not a recommendation.

All nurse practitioners in Avon Park →

Other clinicians in Highlands Advanced Rheumatology and Arthritis Center Pl

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245687805
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians