Dr. John Arthur Wiley, MD

  • Elmhurst, IL
  • Geriatric medicine (internal medicine) physician
NPI1487612834
Medicare services, 2021
73
Part D claims, 2024
390
Hospital affiliations
1
Industry payments
$370
State license
1
Practice address
155 East Brush Hill Road, Elmhurst, IL 60126
Practice phone
Call (331) 221-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Elmhurst Hospital

Hospital · Elmhurst, Illinois

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Dr. John Arthur Wiley is a geriatric medicine (internal medicine) physician in Elmhurst, Illinois

Dr. Wiley practices at Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health.

Dr. Wiley's NPI, 1487612834, was assigned on May 3, 2006. Dr. Wiley graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983. Dr. Wiley holds Illinois license 036-069176.

NPI and contact details
NPI enumeration date
May 3, 2006
NPI status
Active
Practice phone
(331) 221-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. John Arthur Wiley practices at Elmhurst Hospital in Elmhurst, Illinois

Dr. Wiley's primary practice is Elmhurst Hospital, at 155 East Brush Hill Road, Elmhurst, IL 60126 in Du Page County. The practice phone is (331) 221-1000.

  • Elmhurst Hospital
    155 East Brush Hill Road, Elmhurst, IL 60126 · Du Page CountyPhone(331) 221-1000

Source: Dmand AI Affiliation Data

Dr. John Arthur Wiley is affiliated with 1 site of care

Dr. Wiley's primary practice is Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Arthur Wiley's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wiley practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Elmhurst HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Arthur Wiley is one of 135 geriatric medicine (internal medicine) physicians in Illinois

Geriatric medicine is Dr. Wiley's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Wiley is licensed in Illinois.

Specialties and state licenses

  • Geriatric medicine (internal medicine), IllinoisPrimaryLicense 036-069176 · taxonomy 207RG0300X

Geriatric medicine (internal medicine) physicians near Dr. Wiley

Counts of geriatric medicine (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Arthur Wiley billed Medicare for 73 services in 2021

CMS data shows 73 Medicare services from Dr. Wiley across 2 procedure codes in 2021. Medicare paid $4,869 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202173
Paid by Medicare$4,869
Procedure codes2

Dr. Wiley's Medicare services by type, 2017 to 2021

  • 2017
  • 2021
Office and hospital visits
2017: 1322021: 7345%

Dr. Wiley compared with the Illinois median for geriatric medicine (internal medicine) physicians, 2021

  • Dr. Wiley
  • Illinois median
Medicare services
73vs 54687% below
Part D claims
228vs 78171% below

Medians across 137 geriatric medicine (internal medicine) physicians in Illinois with Dmand AI profiles that report each measure.

Dr. Wiley's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Wiley

Need commercial claims for Dr. Wiley?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wiley and other geriatric medicine (internal medicine) physicians in Illinois.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Arthur Wiley's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Dr. Wiley's median patient age at 74, with 25% women.

Dr. Wiley's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women25%
  • Men75%

Source: Dmand AI Patient Panel Data

Dr. John Arthur Wiley wrote 390 Medicare Part D claims in 2024

In 2024, Dr. Wiley wrote 390 Medicare Part D claims for 21 patients. 85% of them were for generic drugs. CMS names the drug for 228 of them, across 15 drugs with 11 or more claims each, at $10,748 in total drug cost. In 2023, CMS named 838 claims across 25 drugs.

Part D claims, 2024390
Drugs named by CMS15
Total drug cost$10,748
Part D patients21

Dr. Wiley's Part D claims by kind of drug, 2024

  • Generic330 claims85%
  • Brand-name60 claims15%

Dr. Wiley's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8382024: 22873%

Drugs named by CMS: 15 in 2024, 25 in 2023.

See all prescribing by Dr. Wiley

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. John Arthur Wiley received $370 in industry payments from 2016 to 2018

CMS Open Payments shows 4 general payments to Dr. Wiley from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $177.

General payments to Dr. Wiley by program year, 2016 to 2018

Companies that paid Dr. Wiley the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Wiley

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Arthur Wiley graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)

Dr. Wiley graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983.

  1. Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)

Source: Dmand AI Professional Profile Data

Sources for Dr. John Arthur Wiley's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Arthur Wiley

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Arthur Wiley's NPI number?

Dr. John Arthur Wiley's NPI number is 1487612834. It was assigned on May 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Arthur Wiley?

Dr. John Arthur Wiley is a geriatric medicine (internal medicine) physician in Elmhurst, Illinois. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).

Where does Dr. John Arthur Wiley practice?

Dr. Wiley practices at 155 East Brush Hill Road, Elmhurst, IL 60126. Dr. Wiley's primary practice is Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health.

What is Dr. John Arthur Wiley's office phone number?

The practice phone on file for Dr. Wiley is (331) 221-1000.

What is Dr. John Arthur Wiley's medical license number?

Dr. Wiley holds Illinois license 036-069176.

Which hospitals is Dr. John Arthur Wiley affiliated with?

Dr. Wiley practices at Elmhurst Hospital in Elmhurst, Illinois.

Does Dr. John Arthur Wiley accept Medicare?

Yes. CMS data shows Dr. Wiley billed Medicare for 73 services in 2021.

What services does Dr. John Arthur Wiley bill to Medicare?

In 2021, Dr. Wiley's most billed Medicare services were nursing facility care (99308) and nursing facility care (99309).

Where did Dr. John Arthur Wiley go to medical school?

Dr. Wiley graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983.

What drugs does Dr. John Arthur Wiley prescribe most?

In 2024 Medicare Part D data, Dr. Wiley's most prescribed drugs by claims were Lisinopril, Atorvastatin Calcium and Amlodipine Besylate.

Has Dr. John Arthur Wiley received payments from drug or device companies?

CMS Open Payments shows $370 in general payments to Dr. Wiley from 4 companies from 2016 to 2018. The largest total came from Allergan Inc.

How long has Dr. John Arthur Wiley been practicing?

Dr. Wiley graduated from medical school in 1983, 43 years ago.

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