Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BRETT LEE GILLESPIE DO
NPI 1700588365
Internal Medicine in Nampa, ID

Active since March 20, 2023PECOS Enrolled
4300 E FLAMINGO AVE, NAMPA, ID 83687(208) 463-5000 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Brett Lee Gillespie Do NPPES

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

BRETT LEE GILLESPIE DO (NPI 1700588365) is an individual internal medicine provider in Nampa, Idaho, licensed in Idaho (4681800) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Brandon.

NPPES Registry Identity

NPI1700588365
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBRETT LEE GILLESPIECredential: DO
Location Address4300 E FLAMINGO AVENampa, ID 83687-3138
Mailing AddressPo Box 190930Boise, ID 83719-0930 · (208) 367-5170 · Fax (208) 367-5180
Sole ProprietorNo
Enumeration DateMarch 20, 2023
Last NPPES UpdateJune 19, 2026
NPPES CertifiedJune 19, 2026
NPI 1700588365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in ID · 4681800
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4300 E FLAMINGO AVE, Nampa, ID 83687

Secondary Practice Location 1

Location 1119 Oakfield DrBrandon, FL 33511-5779 · Phone (813) 916-2348

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Brett Lee Gillespie Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83687 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
$121.27 typical visit price
range $52.44 – $160.17
Typical copayment $30.31 (range $13.11 – $40.04)
Most-billed visit code 99204
Established Patient
$93.26 typical visit price
range $16.68 – $130.93
Typical copayment $23.31 (range $4.17 – $32.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
4300 E FLAMINGO AVE
NAMPA, ID 83687
General Acute Care Hospital
4300 E FLAMINGO AVE
NAMPA, ID 83687
Psychiatry & Neurology (Neurology)
4300 E FLAMINGO AVE
NAMPA, ID 83687
Social Worker
4300 E FLAMINGO AVE
NAMPA, ID 83687
Physician Assistant
4300 E FLAMINGO AVE
NAMPA, ID 83687
Social Worker (Clinical)
4300 E FLAMINGO AVE
NAMPA, ID 83687
Nurse Practitioner
4300 E FLAMINGO AVE
NAMPA, ID 83687
Physician Assistant
4300 E FLAMINGO AVE
NAMPA, ID 83687

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 Brett Gillespie's NPI number?

The NPI number for Brett Gillespie is 1700588365. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Brett Gillespie located?

Brett Gillespie practices at 4300 E Flamingo Ave, Nampa, ID 83687. The listed phone number is (208) 463-5000.

What is Brett Gillespie's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Brett Gillespie enrolled in Medicare?

Yes. Brett Gillespie is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brett Gillespie was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days 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.