Dr. Jonathan C. Delew, MD
- Medicare services, 2024
- 2,270
- Medicare patients, 2024
- 287
- Part D claims, 2024
- 10,011
- Industry payments
- $175
- Affiliated sites
- 5
- Practice address
- 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137
- Practice phone
- Call (630) 469-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duly Health and Care
Glen Ellyn, Illinois
Find Dr. Delew'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. Jonathan C. Delew is an internist in Glen Ellyn, Illinois
Dr. Delew practices at Duly Health and Care in Glen Ellyn, Illinois.
Dr. Delew's NPI, 1629060710, was assigned on August 16, 2005. Dr. Delew holds Illinois license 036071738.
- NPI
- 1629060710NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608940085
- NPI enumeration date
- August 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (630) 469-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan C. Delew practices at Duly Health and Care in Glen Ellyn, Illinois
Dr. Delew's primary practice is Duly Health and Care, at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 in Dupage County. The practice phone is (630) 469-9200.
- Duly Health and Care430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 · Dupage CountyPhone(630) 469-9200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jonathan C. Delew is affiliated with 6 sites of care and 2 medical groups
Dr. Delew's primary practice is Duly Health and Care in Glen Ellyn, Illinois. The medical group on file is Select Rehabilitation. Dmand AI also links Dr. Delew to 2 more group practices and clinics, 2 home health agencies, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Delew's employer is on file too: a physical therapy & rehab clinic.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan C. Delew's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Delew practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duly Health and Care | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan C. Delew is one of 5,652 internists in Illinois
Internal medicine is Dr. Delew's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Delew is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Delew
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. Jonathan C. Delew billed Medicare for 2,270 services in 2024
CMS data shows 2,270 Medicare services from Dr. Delew across 29 procedure codes in 2024, for 287 Medicare patients. Medicare paid $92,869 for them. Every service was in an office.
Dr. Delew's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,4972024: 1,16653%
- Office and hospital visits
- 2023: 1,0132024: 45155%
- Surgery
- 2023: 6712024: 29356%
- Other services
- 2023: 6452024: 28656%
- Tests and treatments
- 2023: 2722024: 7473%
Dr. Delew compared with the Illinois median for internists, 2024
- Dr. Delew
- Illinois median
- Medicare services
- 2,270vs 5664.0 times
- Medicare patients
- 287vs 20838% above
- Part D claims
- 9,369vs 28433.0 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Delew's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Delew and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan C. Delew treated 287 Medicare patients in 2024, average age 76
CMS counts 287 Medicare patients who saw Dr. Delew in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Delew's median patient age at 71, with 34% women.
Dr. Delew's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Delew's Medicare patients by sex, 2024
- Women9232%
- Men19568%
Chronic conditions among Dr. Delew's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis30%
- Ischemic heart disease26%
- Diabetes25%
- Atrial fibrillation20%
- Chronic kidney disease20%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Delew's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women34%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan C. Delew wrote 10,011 Medicare Part D claims in 2024
In 2024, Dr. Delew wrote 10,011 Medicare Part D claims for 852 patients. 90% of them were for generic drugs. CMS names the drug for 9,369 of them, across 126 drugs with 11 or more claims each, at $664,782 in total drug cost. In 2023, CMS named 10,543 claims across 131 drugs.
Dr. Delew's Part D claims by kind of drug, 2024
- Generic9,030 claims90%
- Brand-name925 claims9%
- Other56 claims1%
Dr. Delew'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.
Drug classes CMS tracks in Dr. Delew's Part D claims, 2024
- Opioids1%83 of 10,011 claims
- Antibiotics2%177 of 10,011 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 10,5432024: 9,36911%
Drugs named by CMS: 126 in 2024, 131 in 2023.
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
Dr. Jonathan C. Delew offers telehealth to Medicare patients
Dr. Delew accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Delew as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan C. Delew received $175 in industry payments from 2021 to 2025
CMS Open Payments shows 8 general payments to Dr. Delew from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $144.
General payments to Dr. Delew by program year, 2021 to 2025
Companies that paid Dr. Delew the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan C. Delew'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 DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Jonathan C. Delew
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. Jonathan C. Delew's NPI number?
Dr. Jonathan C. Delew's NPI number is 1629060710. It was assigned on August 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan C. Delew?
Dr. Jonathan C. Delew is an internist in Glen Ellyn, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan C. Delew practice?
Dr. Delew practices at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137. Dr. Delew's primary practice is Duly Health and Care in Glen Ellyn, Illinois. Dmand AI also links Dr. Delew to 2 group practices and clinics, 2 home health agencies, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Jonathan C. Delew's office phone number?
The practice phone on file for Dr. Delew is (630) 469-9200.
What is Dr. Jonathan C. Delew's medical license number?
Dr. Delew holds Illinois license 036071738.
What medical group is Dr. Jonathan C. Delew part of?
Dr. Delew is linked to Select Rehabilitation. Dmand AI links Dr. Delew to 1 more medical group.
Does Dr. Jonathan C. Delew accept Medicare?
Yes. CMS data shows Dr. Delew billed Medicare for 2,270 services in 2024, and Dr. Delew accepts Medicare assignment.
Does Dr. Jonathan C. Delew offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Delew as offering telehealth services.
How many Medicare patients does Dr. Jonathan C. Delew see?
CMS counts 287 Medicare patients who saw Dr. Delew in 2024, with an average age of 76.
What services does Dr. Jonathan C. Delew bill to Medicare?
In 2024, Dr. Delew's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (80061).
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What drugs does Dr. Jonathan C. Delew prescribe most?
In 2024 Medicare Part D data, Dr. Delew's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Jonathan C. Delew received payments from drug or device companies?
CMS Open Payments shows $175 in general payments to Dr. Delew from 3 companies from 2021 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dr. Jonathan C. Delew been practicing?
Dr. Delew graduated from medical school in 1984, 42 years ago.
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