Andrew Matthews Irwin, MD
Internal Medicine Physician · Boise, ID
Andrew Matthews Irwin, MD is an internal medicine physician with a practice address in Boise, Idaho, and NPI 1942959556, issued on Mar 21, 2022. Check the license (Idaho 5871392, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrew Matthews Irwin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5871392 ID
Self-reported in NPPES; status is on the state search - Practice location
- 190 E Bannock St, Boise, ID 83712
- Phone
- (208) 381-5015
- Enumerated
- Mar 21, 2022
- Record last updated
- Jul 6, 2026
- Fax
- (208) 381-1873
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 453 in Idaho → Look up another NPI →
Also registered at 190 E Bannock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sariah AdamsRegistered Nurse1801737978
- Grace Adamson, MDFamily Medicine Physician1497246136
- J Thomas Ahlquist, MDEmergency Medical Services (Emergency Medicine) Physician1598703902
- Dawn Aiken, NPFamily Nurse Practitioner1295175313
Verify Andrew Matthews Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license 5871392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
79 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $61.39
1 payment: travel and lodging; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Andrew Matthews Irwin among 453 internal medicine physician records in Idaho
Andrew Matthews Irwin, MD is one of 453 internal medicine physician records with a practice address in Idaho. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.
- NPI issued2022 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
217 internal medicine physician records list a practice address in Boise
They are 217 of the 9,467 NPPES records with a practice address in Boise, and 453 internal medicine physician records in Idaho.
All 453 in Idaho → Every provider in Boise → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Anderson, MDBoise, ID 837121093825903
- Donna Beeson, D.O.Boise, ID 837121689630436
- Peter Cliften, M.D.Boise, ID 837121760473771
- Karen East, MDBoise, ID 837121255380150
- Gabriel Garber, MDBoise, ID 837121588632830
- Erika Lewis, M.D.Boise, ID 837121659320570
- Julie Lyon, M.D.Boise, ID 837121285685891
- Laura McGeorge, MDBoise, ID 837121629029699
Common questions
What is Andrew Matthews Irwin, MD's NPI number?
Andrew Matthews Irwin, MD's National Provider Identifier (NPI) is 1942959556, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Matthews Irwin, MD located?
The NPPES record lists a practice address at 190 E Bannock St, Boise, ID, 83712. Phone: (208) 381-5015. Providers update this record themselves, so call before visiting.
How can I verify Andrew Matthews Irwin, MD's license?
NPPES lists Idaho license number 5871392, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Matthews Irwin, MD prescribe under Medicare Part D?
In 2024, Andrew Matthews Irwin, MD had 79 Medicare Part D claims for 34 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.