Dr. John Louis Allen, MD
- Medicare services, 2024
- 5,892
- Medicare patients, 2024
- 3,509
- Part D claims, 2024
- 13
- MIPS score, 2024
- 52
- Hospital affiliations
- 5
- Practice address
- 3533 Prairieview Street, Grand Island, NE 68803
- Practice phone
- Call (308) 675-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Allen's professional email, personal email and mobile number
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Dr. John Louis Allen is an interventional radiologist in Grand Island, Nebraska
Dr. Allen practices at Grand Island Regional Medical Center in Grand Island, Nebraska, part of Bryan Health.
Dr. Allen's NPI, 1871573956, was assigned on January 17, 2006. Dr. Allen graduated from University of Nebraska College of Medicine in 1994. Dr. Allen holds Nebraska license 19987.
- NPI
- 1871573956NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931157633
- NPI enumeration date
- January 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (308) 675-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Louis Allen practices at Grand Island Regional Medical Center in Grand Island, Nebraska
Dr. Allen's primary practice is Grand Island Regional Medical Center, at 3533 Prairieview Street, Grand Island, NE 68803 in Hall County. The practice phone is (308) 675-5000.
- Grand Island Regional Medical Center3533 Prairieview Street, Grand Island, NE 68803 · Hall CountyPhone(308) 675-5000
Source: Dmand AI Affiliation Data
Dr. John Louis Allen is affiliated with 6 sites of care and 3 medical groups
Dr. Allen's primary practice is Grand Island Regional Medical Center in Grand Island, Nebraska, part of Bryan Health. Dr. Allen is also affiliated with Great Plains Health. The medical group on file is Mary Lanning Healthcare. Dmand AI also links Dr. Allen to 3 more hospitals, 2 medical groups and 1 group practice or clinic, 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. John Louis Allen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allen practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grand Island Regional Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Bryan Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Louis Allen is one of 22 interventional radiologists in Nebraska
Vascular and interventional radiology is Dr. Allen's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Allen is licensed in Nebraska.
Specialties and state licenses
- Vascular and interventional radiology, NebraskaPrimary
Interventional radiologists near Dr. Allen
Counts of interventional radiologists 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 Louis Allen billed Medicare for 5,892 services in 2024
CMS data shows 5,892 Medicare services from Dr. Allen across 98 procedure codes in 2024, for 3,509 Medicare patients. Medicare paid $149,546 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Allen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4,3692024: 5,26420%
- Surgery
- 2023: 3382024: 45334%
- Tests and treatments
- 2023: 1222024: 1231%
- Office and hospital visits
- 2023: 02024: 52
Dr. Allen compared with the Nebraska median for interventional radiologists, 2024
- Dr. Allen
- Nebraska median
- Medicare services
- 5,892vs 1,0365.7 times
- Medicare patients
- 3,509vs 7434.7 times
Medians across 20 interventional radiologists in Nebraska with Dmand AI profiles that report each measure.
Dr. Allen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Louis Allen treated 3,509 Medicare patients in 2024, average age 75
CMS counts 3,509 Medicare patients who saw Dr. Allen in 2024. The largest group is 65 to 74, with 1,603 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Allen's median patient age at 65, with 55% women.
Dr. Allen's Medicare patients by age, 2024
Dr. Allen's Medicare patients by sex, 2024
- Women1,93455%
- Men1,57545%
Chronic conditions among Dr. Allen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease37%
- Diabetes31%
- Chronic kidney disease29%
- Mood disorders29%
- Heart failure28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Allen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Louis Allen wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Allen wrote 13 Medicare Part D claims for 11 patients.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Louis Allen scored 52 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 52 out of 100 for Dr. Allen for performance year 2024, reported individually. Dr. Allen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Allen's MIPS scores, performance year 2024
- 52of 100Final score
- 74.2of 100Quality
- 0of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Louis Allen received $4,063 in industry payments from 2016 to 2025
CMS Open Payments shows 76 general payments to Dr. Allen from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Rapid Medical Ltd paid the most, $842.
General payments to Dr. Allen by program year, 2016 to 2025
General payments to Dr. Allen by kind, 2016 to 2025
- Food and beverage$3,30781%
- Education$75619%
Companies that paid Dr. Allen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Louis Allen graduated from University of Nebraska College of Medicine
Dr. Allen graduated from University of Nebraska College of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Louis Allen'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 (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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. John Louis Allen
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 Louis Allen's NPI number?
Dr. John Louis Allen's NPI number is 1871573956. It was assigned on January 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Louis Allen?
Dr. John Louis Allen is an interventional radiologist in Grand Island, Nebraska. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. John Louis Allen practice?
Dr. Allen practices at 3533 Prairieview Street, Grand Island, NE 68803. Dr. Allen's primary practice is Grand Island Regional Medical Center in Grand Island, Nebraska, part of Bryan Health. Dmand AI also links Dr. Allen to 3 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. John Louis Allen's office phone number?
The practice phone on file for Dr. Allen is (308) 675-5000.
What is Dr. John Louis Allen's medical license number?
Dr. Allen holds Nebraska license 19987.
Which hospitals is Dr. John Louis Allen affiliated with?
Dr. Allen practices at Grand Island Regional Medical Center in Grand Island, Nebraska. Dr. Allen is also affiliated with Great Plains Health. Dmand AI links Dr. Allen to 3 more hospitals.
What medical group is Dr. John Louis Allen part of?
Dr. Allen is linked to Mary Lanning Healthcare. Dmand AI links Dr. Allen to 2 more medical groups.
Does Dr. John Louis Allen accept Medicare?
Yes. CMS data shows Dr. Allen billed Medicare for 5,892 services in 2024, and Dr. Allen accepts Medicare assignment.
What is Dr. John Louis Allen's MIPS score?
Dr. Allen's MIPS final score for performance year 2024 is 52 out of 100, reported individually.
How many Medicare patients does Dr. John Louis Allen see?
CMS counts 3,509 Medicare patients who saw Dr. Allen in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. John Louis Allen bill to Medicare?
In 2024, Dr. Allen's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and diagnostic imaging (70450).
Where did Dr. John Louis Allen go to medical school?
Dr. Allen graduated from University of Nebraska College of Medicine in 1994.
Has Dr. John Louis Allen received payments from drug or device companies?
CMS Open Payments shows $4,063 in general payments to Dr. Allen from 20 companies from 2016 to 2025. The largest total came from Rapid Medical Ltd.
How long has Dr. John Louis Allen been practicing?
Dr. Allen graduated from medical school in 1994, 32 years ago.
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