ANDREW MATTHEWS IRWIN MD
NPI 1942959556
Internal Medicine in Boise, ID

Active since March 21, 2022PECOS EnrolledAccepts Medicare Assignment
190 E BANNOCK ST, BOISE, ID 83712(208) 381-5015(208) 381-1873 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 6, 2026, Apr 30, 2024, Apr 22, 2024 and 1 more (4 updates tracked since 2023).

About Andrew Matthews Irwin Md NPPES

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

ANDREW MATTHEWS IRWIN MD (NPI 1942959556) is an individual internal medicine provider in Boise, Idaho, licensed in Idaho (5871392) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of Columbia University College Of Physicians And Surgeons (2022).

NPPES Registry Identity

NPI1942959556
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameANDREW MATTHEWS IRWINCredential: MD
Location Address190 E BANNOCK STBoise, ID 83712-6241
Mailing Address190 E Bannock StBoise, ID 83712-6241
Fax(208) 381-1873
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateJuly 6, 20264 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1942959556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in ID · 5871392
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.
190 E BANNOCK ST, Boise, ID 83712

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

Andrew Matthews Irwin Md 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 ID7012397284
PECOS Enrollment IDI20260721004453
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.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Irwin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
190 E BANNOCK ST
Boise, ID 83712
  • Reassigned Medicare billing, Idaho enrollment
  • 1,312 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130006
Location190 East Bannock StreetBoise, ID 83712 · Ada County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83712 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.

Nurse Practitioner (Neonatal, Critical Care)
190 E BANNOCK ST
BOISE, ID 83712
Physical Therapist
190 E BANNOCK ST
BOISE, ID 83712
Nurse Practitioner
190 E BANNOCK ST
BOISE, ID 83712
Occupational Therapist (Feeding, Eating & Swallowing)
190 E BANNOCK ST
BOISE, ID 83712
Nurse Practitioner (Acute Care)
190 E BANNOCK ST
BOISE, ID 83712
Nurse Anesthetist, Certified Registered
190 E BANNOCK ST
BOISE, ID 83712
Internal Medicine
190 E BANNOCK ST
BOISE, ID 83712
Pediatrics
190 E BANNOCK ST
BOISE, ID 83712

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 Andrew Irwin's NPI number?

The NPI number for Andrew Irwin is 1942959556. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Andrew Irwin located?

Andrew Irwin practices at 190 E Bannock St, Boise, ID 83712. The listed phone number is (208) 381-5015.

What is Andrew Irwin's specialty?

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

Is Andrew Irwin enrolled in Medicare?

Yes. Andrew Irwin 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 organization bills Medicare for Andrew Irwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Irwin reassigns Medicare benefits to St Lukes Clinic-Treasure Valley LLC (Boise, ID). The 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 Andrew Irwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrew Irwin accept?

Health plans from Providence Health Plan list Andrew Irwin 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.

Is Andrew Irwin affiliated with any hospitals?

According to CMS data, Andrew Irwin is affiliated with St Luke's Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Andrew Irwin was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.