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JULIA MAHAFFEY NP
NPI 1659476166
Nurse Practitioner - Primary Care in Boise, ID

Active since September 13, 2006PECOS Enrolled
500 W FORT ST, BOISE, ID 83702(208) 422-1000(208) 422-1148 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Julia Mahaffey Np NPPES

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

JULIA MAHAFFEY NP (NPI 1659476166) is an individual primary care provider in Boise, Idaho, licensed in Idaho (NP-621A) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659476166
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameJULIA MAHAFFEYCredential: NP
Location Address500 W FORT STBoise, ID 83702-4501
Mailing Address414 Brookdale DrBoise, ID 83712-8219
Phone(208) 422-1000
Fax(208) 422-1148
Sole ProprietorYes
Enumeration DateSeptember 13, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1659476166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in ID · NP-621A
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License NP-621A (ID)
500 W FORT ST, Boise, ID 83702
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julia Mahaffey Np 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 83702 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
$81.13 typical visit price
range $52.44 – $160.17
Typical copayment $20.28 (range $13.11 – $40.04)
Most-billed visit code 99203
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.

JESSICA ANN BERNOTSKI RDH
Dental Hygienist
500 W FORT ST
BOISE, ID 83702
Ada County (208) 422-1000
ROBERT FISHER
Registered Nurse (Gastroenterology)
500 W FORT ST
BOISE, ID 83702
Ada County (208) 422-1092
LUKE DANIEL HANSEN MD
Psychiatry & Neurology (Psychiatry)
500 W FORT ST
BOISE, ID 83702
Ada County (208) 422-1000
CHRISTOPHER M GUTIERREZ
Registered Nurse (Gastroenterology)
500 W FORT ST
BOISE, ID 83702
Ada County (208) 422-1000
DR. MICHAEL GLOVER M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
500 W FORT ST, MAIL CODE #112
BOISE, ID 83702
Ada County (208) 422-1000
DR. ANN DECKER TROTTER PHD
Psychologist (Clinical)
500 W FORT ST
BOISE, ID 83702
Ada County (208) 422-1000
REBECCA COTTERELL RN-BC, BSN
Registered Nurse
500 W FORT ST
BOISE, ID 83702
Ada County (208) 422-1000
PHILIP RESIN ELACKATT RN
Registered Nurse (Pain Management)
500 W FORT ST
BOISE, ID 83702
Ada County (986) 256-1766

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 Julia Mahaffey's NPI number?

The NPI number for Julia Mahaffey is 1659476166. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Julia Mahaffey located?

Julia Mahaffey practices at 500 W Fort St, Boise, ID 83702. The listed phone number is (208) 422-1000.

What is Julia Mahaffey's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Julia Mahaffey enrolled in Medicare?

Yes. Julia Mahaffey is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Julia Mahaffey was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.