Dr. Darrell John Downs, MD
- Medicare services, 2024
- 67
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 204
- Publications
- 15
- Industry payments
- $179
- Practice address
- 530 NE Glen Oak Ave, Peoria, IL 61603
- Practice phone
- Call (309) 655-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSF St Francis Medical Center
Peoria, Illinois
Find Dr. Downs' 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. Darrell John Downs is an internist in Peoria, Illinois
Dr. Downs practices at OSF St Francis Medical Center in Peoria, Illinois.
Dr. Downs' NPI, 1639745318, was assigned on June 2, 2021. Dr. Downs holds Illinois license 125.078648.
- NPI
- 1639745318NPI Registry (opens in a new tab)
- NPI enumeration date
- June 2, 2021
- NPI status
- Active
- Practice phone
- (309) 655-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Darrell John Downs practices at OSF St Francis Medical Center in Peoria, Illinois
Dr. Downs' primary practice is OSF St Francis Medical Center, at 530 NE Glen Oak Ave, Peoria, IL 61603 in Peoria County. The practice phone is (309) 655-2000.
- OSF St Francis Medical Center530 NE Glen Oak Ave, Peoria, IL 61603 · Peoria CountyPhone(309) 655-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Darrell John Downs is affiliated with 1 site of care and 1 medical group
Dr. Downs' primary practice is OSF St Francis Medical Center in Peoria, Illinois. The medical group on file is OSF Multi-Specialty Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Darrell John Downs' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Downs practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF St Francis Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darrell John Downs is one of 5,652 internists in Illinois
Internal medicine is Dr. Downs' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Downs is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Downs
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. Darrell John Downs billed Medicare for 67 services in 2024
CMS data shows 67 Medicare services from Dr. Downs across 3 procedure codes in 2024, for 35 Medicare patients. Medicare paid $6,377 for them.
Where Dr. Downs' Medicare services took place, 2024
- In an office1116%
- In a facility5684%
Dr. Downs compared with the Illinois median for internists, 2024
- Dr. Downs
- Illinois median
- Medicare services
- 67vs 56688% below
- Medicare patients
- 35vs 20883% below
- Part D claims
- 40vs 28486% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Downs' 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.
Need commercial claims for Dr. Downs?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Downs and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darrell John Downs treated 35 Medicare patients in 2024, average age 73
CMS counts 35 Medicare patients who saw Dr. Downs in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.16, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Downs' median patient age at 62, with 33% women.
Dr. Downs' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Downs' Medicare patients by sex, 2024
- Women1234%
- Men2366%
Chronic conditions among Dr. Downs' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease51%
- Atrial fibrillation49%
- Diabetes49%
- Heart failure49%
- Ischemic heart disease46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Downs' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women33%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Darrell John Downs wrote 204 Medicare Part D claims in 2024
In 2024, Dr. Downs wrote 204 Medicare Part D claims for 44 patients. 82% of them were for generic drugs. CMS names the drug for 40 of them, across 2 drugs with 11 or more claims each, at $151 in total drug cost. In 2023, CMS named 96 claims across 7 drugs.
Dr. Downs' Part D claims by kind of drug, 2024
- Generic167 claims82%
- Brand-name and other37 claims18%
Dr. Downs' 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: 962024: 4058%
Drugs named by CMS: 2 in 2024, 7 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
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Dr. Darrell John Downs has 15 publications on record
Dmand AI links 15 papers to Dr. Downs, published from 2016 to 2025. 2016 was the busiest year, with 5. The most frequent topics are Esophageal Achalasia, Florida and Laparoscopy. Dr. Downs has published most often in Am Surg. Dr. Downs' most frequent co-authors are Sharona B. Ross, MD, Forat Swaid, MD and Kenneth Luberice, MD.
Dr. Downs' papers by year, 2016 to 2025
Topics Dr. Downs writes about most
- Esophageal Achalasia
- Florida
- Laparoscopy
- Length of Stay
- Hospital Costs
- Hospital Mortality
- Pancreaticoduodenectomy
- Patient Satisfaction
Dr. Downs' most frequent co-authors
- Sharona B. Ross, MD12 shared papers
- Forat Swaid, MD5 shared papers
- Kenneth Luberice, MD3 shared papers
Recent publications by Dr. Downs
J Community Hosp Intern Med Perspect
Am J Surg
Dissatisfaction after laparoscopic Heller myotomy: The truth is easy to swallow (opens in a new tab)
Am J Surg
See who Dr. Downs researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Downs works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Darrell John Downs received $179 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Downs from 3 drug and device companies from 2024 to 2025. Education make up the largest share, 55% of the total. Janssen Pharmaceuticals, Inc paid the most, $99.
General payments to Dr. Downs by program year, 2024 to 2025
General payments to Dr. Downs by kind, 2024 to 2025
- Education$9955%
- Food and beverage$8045%
Companies that paid Dr. Downs 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. Darrell John Downs'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Darrell John Downs
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. Darrell John Downs' NPI number?
Dr. Darrell John Downs' NPI number is 1639745318. It was assigned on June 2, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Darrell John Downs?
Dr. Darrell John Downs is an internist in Peoria, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Darrell John Downs practice?
Dr. Downs practices at 530 NE Glen Oak Ave, Peoria, IL 61603. Dr. Downs' primary practice is OSF St Francis Medical Center in Peoria, Illinois.
What is Dr. Darrell John Downs' office phone number?
The practice phone on file for Dr. Downs is (309) 655-2000.
What is Dr. Darrell John Downs' medical license number?
Dr. Downs holds Illinois license 125.078648.
What medical group is Dr. Darrell John Downs part of?
Dr. Downs is linked to OSF Multi-Specialty Group.
Does Dr. Darrell John Downs accept Medicare?
Yes. CMS data shows Dr. Downs billed Medicare for 67 services in 2024.
How many Medicare patients does Dr. Darrell John Downs see?
CMS counts 35 Medicare patients who saw Dr. Downs in 2024, with an average age of 73.
What services does Dr. Darrell John Downs bill to Medicare?
In 2024, Dr. Downs' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and office visit, established patient (99213).
What drugs does Dr. Darrell John Downs prescribe most?
In 2024 Medicare Part D data, Dr. Downs' most prescribed drugs by claims were Lisinopril and Atorvastatin Calcium.
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Has Dr. Darrell John Downs received payments from drug or device companies?
CMS Open Payments shows $179 in general payments to Dr. Downs from 3 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Darrell John Downs been practicing?
Dr. Downs graduated from medical school in 2021, 5 years ago.
Does Dr. Darrell John Downs do research?
Dmand AI links 15 publications to Dr. Downs, published from 2016 to 2025.
Who does Dr. Darrell John Downs publish with?
Dr. Downs' most frequent co-authors are Sharona B. Ross, MD (12 shared papers), Forat Swaid, MD (5 shared papers) and Kenneth Luberice, MD (3 shared papers).
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