GARRETT DEMILLE
NPI 1710856612
Nurse Anesthetist, Certified Registered in Naples, FL

Active since October 30, 2025Accepts Medicare Assignment
5442 WHITTEN DR, NAPLES, FL 34104(702) 609-6837 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Garrett Demille NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARRETT DEMILLE (NPI 1710856612) is an individual nurse anesthetist, certified registered in Naples, Florida, licensed in Arizona (12306313-3102) and active in the NPI registry since October 2025. He is a graduate of Other (2025).

NPPES Registry Identity

NPI1710856612
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameGARRETT DEMILLE
Location Address5442 WHITTEN DRNaples, FL 34104-5302
Mailing Address5442 Whitten DrNaples, FL 34104-5302
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 30, 2025
NPPES CertifiedOctober 30, 2025
✔ NPI 1710856612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in AZ · 12306313-3102
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
5442 WHITTEN DR, Naples, FL 34104

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Garrett Demille is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032694906
PECOS Enrollment IDI20260328000145

Medicare Billing Reassignments

3

Medicare enrollment records show Garrett Demille reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Anesthetist, Certified Registered
8273 GRAND RIVER RD STE 210
Brighton, MI 48114
  • Reassigned Medicare billing, Arizona enrollment
  • 370 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1111 E MCDOWELL RD
Phoenix, AZ 85006
  • Reassigned Medicare billing, Arizona enrollment
  • 17 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
7301 N 16TH ST STE 102
Phoenix, AZ 85020
  • Reassigned Medicare billing, Arizona enrollment
  • 174 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$73.00 typical visit price
range $18.44 – $144.68
Typical copayment $18.25 (range $4.61 – $36.17)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Garrett Demille's NPI number?

The NPI number for Garrett Demille is 1710856612. It was assigned to this individual provider in the NPPES registry on October 30, 2025.

Where is Garrett Demille located?

Garrett Demille practices at 5442 Whitten Dr, Naples, FL 34104. The listed phone number is (702) 609-6837.

What is Garrett Demille's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Garrett Demille enrolled in Medicare?

Yes. Garrett Demille is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Garrett Demille's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garrett Demille reassigns Medicare benefits to 3 organizations: Anesthesia Partners & Management LLC (Brighton, MI), Velaro Medical Group PLLC (Phoenix, AZ) and Guide Anesthesia Az LLC (Phoenix, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Garrett Demille's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Garrett Demille accept?

Health plans from Blue Cross Blue Shield of Arizona list Garrett Demille as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Garrett Demille was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.