Dr. John Louis Allen, MD

  • Grand Island, NE
  • Interventional radiologist
NPI1871573956PAC ID9931157633
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Grand Island Regional Medical Center

Hospital · Grand Island, Nebraska

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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 and contact details
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
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Mobile number
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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.

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.

See all 9 affiliations for Dr. Allen

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.

EHR by site
SiteEHR vendor and product
Grand Island Regional Medical CenterAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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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, NebraskaPrimaryLicense 19987 · taxonomy 2085R0204X

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.

Medicare services, 20245,892
Medicare patients3,509
Paid by Medicare$149,546
Procedure codes98

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.

Medicare patients, 20243,509
Average age75
Average risk score1.37
Also on Medicaid10%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Ischemic heart disease37%
  5. Diabetes31%
  6. Chronic kidney disease29%
  7. Mood disorders29%
  8. 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.

Part D claims, 202413
Part D patients11

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

$4.1Kin total
  • 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.

See all payments to Dr. Allen

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.

  1. Medical schoolUniversity of Nebraska College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Louis Allen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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 paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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