Dr. Donald E. Penn Jr., MD
- Medicare services, 2024
- 966
- Medicare patients, 2024
- 766
- Part D claims, 2024
- 2,738
- Hospital affiliations
- 5
- Industry payments
- $6,166
- Practice address
- 221 N E Glen Oak Ave, Peoria, IL 61636
- Practice phone
- Call (309) 672-5522
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Penn'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. Donald E. Penn Jr. is a gastroenterologist in Peoria, Illinois
Dr. Penn practices at Carle Health Methodist Hospital in Peoria, Illinois, part of The Carle Foundation.
Dr. Penn's NPI, 1780628388, was assigned on June 15, 2006. Dr. Penn holds Illinois license 036062844.
- NPI
- 1780628388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810182029
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 672-5522
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Donald E. Penn Jr. practices at Carle Health Methodist Hospital in Peoria, Illinois
Dr. Penn's primary practice is Carle Health Methodist Hospital, at 221 N E Glen Oak Ave, Peoria, IL 61636 in Peoria County. The practice phone is (309) 672-5522.
- Carle Health Methodist Hospital221 N E Glen Oak Ave, Peoria, IL 61636 · Peoria CountyPhone(309) 672-5522
Source: Dmand AI Affiliation Data
Dr. Donald E. Penn Jr. is affiliated with 9 sites of care and 6 medical groups
Dr. Penn's primary practice is Carle Health Methodist Hospital in Peoria, Illinois, part of The Carle Foundation. Dr. Penn is also affiliated with OSF Saint Francis Medical Center. The medical group on file is Carle Physician Group. Dmand AI also links Dr. Penn to 3 more hospitals, 5 medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Donald E. Penn Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Penn practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carle Health Methodist Hospital | Available with a free account |
| +8 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Carle Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Donald E. Penn Jr. is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Penn's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Penn is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Penn
Counts of gastroenterologists 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. Donald E. Penn Jr. billed Medicare for 966 services in 2024
CMS data shows 966 Medicare services from Dr. Penn across 15 procedure codes in 2024, for 766 Medicare patients. Medicare paid $118,255 for them.
Dr. Penn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 6042024: 50816%
- Office and hospital visits
- 2023: 3112024: 25717%
- Other services
- 2023: 1482024: 18424%
- Tests and treatments
- 2023: 1842024: 1791%
- Drugs given in the office
- 2023: 16,3612024: 0100%
Where Dr. Penn's Medicare services took place, 2024
- In an office12213%
- In a facility84487%
Dr. Penn compared with the Illinois median for gastroenterologists, 2024
- Dr. Penn
- Illinois median
- Medicare services
- 966vs 49894% above
- Medicare patients
- 766vs 3072.5 times
- Part D claims
- 2,541vs 3706.9 times
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Penn'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. Penn and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donald E. Penn Jr. treated 766 Medicare patients in 2024, average age 73
CMS counts 766 Medicare patients who saw Dr. Penn in 2024. The largest group is 65 to 74, with 425 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Penn's median patient age at 70, with 56% women.
Dr. Penn's Medicare patients by age, 2024
Dr. Penn's Medicare patients by sex, 2024
- Women42055%
- Men34645%
Chronic conditions among Dr. Penn's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis45%
- Diabetes28%
- Chronic kidney disease27%
- Anxiety21%
- Ischemic heart disease20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Penn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Donald E. Penn Jr. wrote 2,738 Medicare Part D claims in 2024
In 2024, Dr. Penn wrote 2,738 Medicare Part D claims for 1,146 patients. 87% of them were for generic drugs. CMS names the drug for 2,541 of them, across 38 drugs with 11 or more claims each, at $881,353 in total drug cost. In 2023, CMS named 2,305 claims across 34 drugs.
Dr. Penn's Part D claims by kind of drug, 2024
- Generic2,374 claims87%
- Brand-name and other364 claims13%
Dr. Penn'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. Penn's Part D claims, 2024
- Antibiotics5%149 of 2,738 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: 2,3052024: 2,54110%
Drugs named by CMS: 38 in 2024, 34 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. Donald E. Penn Jr. ranks in the 93rd percentile for colonoscopy in Medicare
Dr. Penn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 195 procedures of colonoscopy by Dr. Penn, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Penn ranks in Medicare procedure volume
- Colonoscopy
- 93rd percentile195 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 87th percentile163 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Donald E. Penn Jr. received $6,166 in industry payments from 2016 to 2025
CMS Open Payments shows 417 general payments to Dr. Penn from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $2,707.
General payments to Dr. Penn by program year, 2016 to 2025
Companies that paid Dr. Penn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Donald E. Penn Jr.'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (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. Donald E. Penn Jr.
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. Donald E. Penn Jr.'s NPI number?
Dr. Donald E. Penn Jr.'s NPI number is 1780628388. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Donald E. Penn Jr.?
Dr. Donald E. Penn Jr. is a gastroenterologist in Peoria, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Donald E. Penn Jr. practice?
Dr. Penn practices at 221 N E Glen Oak Ave, Peoria, IL 61636. Dr. Penn's primary practice is Carle Health Methodist Hospital in Peoria, Illinois, part of The Carle Foundation. Dmand AI also links Dr. Penn to 3 hospitals, 5 medical groups and 4 group practices and clinics.
What is Dr. Donald E. Penn Jr.'s office phone number?
The practice phone on file for Dr. Penn is (309) 672-5522.
What is Dr. Donald E. Penn Jr.'s medical license number?
Dr. Penn holds Illinois license 036062844.
Which hospitals is Dr. Donald E. Penn Jr. affiliated with?
Dr. Penn practices at Carle Health Methodist Hospital in Peoria, Illinois. Dr. Penn is also affiliated with OSF Saint Francis Medical Center. Dmand AI links Dr. Penn to 3 more hospitals.
What medical group is Dr. Donald E. Penn Jr. part of?
Dr. Penn is linked to Carle Physician Group. Dmand AI links Dr. Penn to 5 more medical groups.
Does Dr. Donald E. Penn Jr. accept Medicare?
Yes. CMS data shows Dr. Penn billed Medicare for 966 services in 2024, and Dr. Penn accepts Medicare assignment.
How many Medicare patients does Dr. Donald E. Penn Jr. see?
CMS counts 766 Medicare patients who saw Dr. Penn in 2024, with an average age of 73.
What services does Dr. Donald E. Penn Jr. bill to Medicare?
In 2024, Dr. Penn's most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99213) and medicare service (G0105).
Show 3 more questionsShow fewer questions
What drugs does Dr. Donald E. Penn Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Penn's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.
Has Dr. Donald E. Penn Jr. received payments from drug or device companies?
CMS Open Payments shows $6,166 in general payments to Dr. Penn from 33 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Donald E. Penn Jr. been practicing?
Dr. Penn graduated from medical school in 1980, 46 years ago.
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