John Louis Allen, M.D.
Diagnostic Radiology (CMS) · Grand Island, NE
At a glance
730 N Diers Ave, Grand Island, NE 68803-4954
Published activity: Varicose vein removal. View counts and coverage
NPPES record updated Jun 7, 2010. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
730 N Diers AveGrand Island, NE 68803-4954
Education & affiliations
- Medical / professional school
- University Of Nebraska College Of Medicine
- Graduation year
- 1994
- CMS specialties
- Diagnostic Radiology
Practice groups
- Advanced Radiology Of Grand Island Pc
- North Platte Nebraska Hospital Corporation
- The Mary Lanning Memorial Hospital Association
Reported hospital affiliations
- Grand Island Regional Medical Center Grand Island, NE
- Great Plains Health North Platte, NE
- Kearney Regional Medical Center Kearney, NE
- Mary Lanning Healthcare Hastings, NE
- Perkins County Health Services Grant, NE
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Varicose vein removal | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Radiology: Exposure Dose Indices Reported for Procedures Using Fluoroscopy
- 92%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_145_overall. Collection type: CLM. Measure denominator: 140.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $193.68 |
Reporting companies
| Company | Amount |
|---|---|
| NORTHERN X-RAY COMPANY | $86.75 |
| STRYKER CORPORATION | $55.23 |
| BOSTON SCIENTIFIC CORPORATION | $19.41 |
| BARD PERIPHERAL VASCULAR, INC. | $16.15 |
| MEDTRONIC, INC. | $16.14 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology (CMS)
- Taxonomy code
- 2085R0204X
- Enumeration date
- Jan 17, 2006
- Record updated
- Jun 7, 2010
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2085R0202X
License reported: 19987 NE
2085R0204X · Primary
License reported: 19987 NE
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
730 N Diers AveGrand Island, NE 68803-4954
- Phone
- (308) 398-1344
- Fax
- (308) 398-1346
Mailing address
730 N DIERS AVEGRAND ISLAND, NE 688034954
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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