Dr. Arnold Del Pilar III, DO
- Part D claims, 2024
- 146
- Industry payments
- $127
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John H Stroger Hospital of Cook County
Chicago, Illinois
Find Dr. Del Pilar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Arnold Del Pilar III is an internist in Chicago, Illinois
Dr. Del Pilar practices at John H Stroger Hospital of Cook County in Chicago, Illinois.
Dr. Del Pilar's NPI, 1790461739, was assigned on June 26, 2023. Dr. Del Pilar holds Illinois license 125.082648.
- NPI
- 1790461739NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2023
- NPI status
- Active
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Arnold Del Pilar III practices at John H Stroger Hospital of Cook County in Chicago, Illinois
Dr. Del Pilar's primary practice is John H Stroger Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H Stroger Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Arnold Del Pilar III is affiliated with 1 site of care
Dr. Del Pilar's primary practice is John H Stroger Hospital of Cook County in Chicago, Illinois.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Arnold Del Pilar III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Del Pilar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H Stroger Hospital of Cook County | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Arnold Del Pilar III is one of 5,652 internists in Illinois
Internal medicine is Dr. Del Pilar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Del Pilar is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Del Pilar
Counts of internists 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. Arnold Del Pilar III's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Del Pilar's median patient age at 15, with 75% women.
Dr. Del Pilar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. Arnold Del Pilar III wrote 146 Medicare Part D claims in 2024
In 2024, Dr. Del Pilar wrote 146 Medicare Part D claims for 29 patients. 77% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $278 in total drug cost.
Dr. Del Pilar's Part D claims by kind of drug, 2024
- Generic113 claims77%
- Brand-name and other33 claims23%
Dr. Del Pilar'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.
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. Arnold Del Pilar III received $127 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Dr. Del Pilar from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $68.
General payments to Dr. Del Pilar by program year, 2024 to 2025
Companies that paid Dr. Del Pilar the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Arnold Del Pilar III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Arnold Del Pilar III
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. Arnold Del Pilar III's NPI number?
Dr. Arnold Del Pilar III's NPI number is 1790461739. It was assigned on June 26, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Arnold Del Pilar III?
Dr. Arnold Del Pilar III is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Arnold Del Pilar III practice?
Dr. Del Pilar practices at 1901 W Harrison St, Chicago, IL 60612. Dr. Del Pilar's primary practice is John H Stroger Hospital of Cook County in Chicago, Illinois.
What is Dr. Arnold Del Pilar III's office phone number?
The practice phone on file for Dr. Del Pilar is (312) 864-6000.
What is Dr. Arnold Del Pilar III's medical license number?
Dr. Del Pilar holds Illinois license 125.082648.
What drugs does Dr. Arnold Del Pilar III prescribe most?
In 2024 Medicare Part D data, Dr. Del Pilar's most prescribed drugs by claims were Atorvastatin Calcium and Gabapentin.
Has Dr. Arnold Del Pilar III received payments from drug or device companies?
CMS Open Payments shows $127 in general payments to Dr. Del Pilar from 4 companies from 2024 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Arnold Del Pilar III been practicing?
Dr. Del Pilar's NPI was assigned in 2023.
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