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Physician Assistant

Irene A. Greivell, PA

Works at hospitals in Fort Myers, FL · Florida

Summary

Irene A. Greivell, PA is a physician assistant at 11190 Health Park Blvd, Naples, FL 34110. Phone: (239) 513-7000. Accepts Medicare assignment. In 2024, Irene A. Greivell had 75 Original Medicare patients and 129 services. NPI 1225547029. 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 Irene A. Greivell, 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 Irene A. Greivell accept Medicare assignment?
Yes. Medicare's clinician data says Irene A. Greivell 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 Irene A. Greivell see?
In 2024, CMS data shows 75 Original Medicare patients and 129 services for Irene A. Greivell. This counts Original Medicare only and measures volume, not quality.
What is Irene A. Greivell's NPI number?
1225547029. 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 Irene A. Greivell, 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 patients75
Services billed to Medicare129
Different services or procedures37
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Repair of hernia of muscle at esophagus and stomach using an endoscope (43281)24 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)23 services
  3. Removal of gallbladder with x-ray study of bile ducts using an endoscope (47563)12 services
  4. Repair of abdomen using abdominal lining graft (49905)12 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 cholesterol75%
  • High blood pressure73%
  • Arthritis60%
  • Depression41%
  • Anxiety39%
  • Ischemic heart disease32%

Hospitals where Irene A. Greivell works

Medicare's Facility Affiliation Data lists Irene A. Greivell 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.

Practice locations

Addresses where Irene A. Greivell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Irene A. Greivell as a member of these groups (CMS data updated October 2, 2026).

  • Southwest Florida Emergency Management LLC42 clinicians in the group
  • Gi Surgical Specialists PLLC2 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Florida →

Other physician assistants in Naples

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

All physician assistants in Naples →

Other clinicians in Southwest Florida Emergency Management LLC

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

Clinician information

CredentialPA
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225547029
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