ALLAN W CASS MD
NPI 1609889203
Radiology - Therapeutic Radiology in Crown Point, IN
About Allan W Cass Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLAN W CASS MD (NPI 1609889203) is an individual therapeutic radiology provider in Crown Point, Indiana, licensed in Illinois (036168519) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Allan W Cass Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Allan Cass reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Indiana enrollment
- 343 clinicians in this Medicare group
Mt Sterling, IL 62353
- Reassigned Medicare billing, Illinois enrollment
- 252 clinicians in this Medicare group
Cresco, IA 52136
- Reassigned Medicare billing, Iowa enrollment
- 420 clinicians in this Medicare group
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- 731 clinicians in this Medicare group
Mesquite, TX 75150
- Reassigned Medicare billing, Texas enrollment
- 318 clinicians in this Medicare group
Abilene, TX 79601
- Reassigned Medicare billing, Texas enrollment
- 420 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone North Iowa Medical Center
Acute Care Hospitals · Mason City, IAOther Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CROWN POINT, IN 46307
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Allan Cass's NPI number?
The NPI number for Allan Cass is 1609889203. It was assigned to this individual provider in the NPPES registry on August 14, 2006.
Where is Allan Cass located?
Allan Cass practices at 10855 Virginia St, Crown Point, IN 46307. The listed phone number is (888) 824-0200.
What is Allan Cass's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Therapeutic Radiology, with taxonomy code 2085R0203X.
Is Allan Cass enrolled in Medicare?
Yes. Allan Cass is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Allan Cass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allan Cass reassigns Medicare benefits to 6 organizations: University Of Chicago (Chicago, IL), Quincy Physicians & Surgeons Clinic, PLLC (Mt Sterling, IL), North Iowa Mercy Clinics (Cresco, IA), Memorial Hospital At Gulfport (Ocean Springs, MS), Regional Employee Assistance Program Inc. (Mesquite, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allan Cass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allan Cass accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Blue Cross and Blue Shield of Texas and 5 other insurers list Allan Cass as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Allan Cass affiliated with any hospitals?
According to CMS data, Allan Cass is affiliated with Mercyone North Iowa Medical Center.
When was this NPI record last updated?
The NPPES record for Allan Cass was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Allan W Cass, MD · NPI 1609889203
Therapeutic Radiology physician in Crown Point, Indiana. Individual provider, active in the CMS NPPES registry since August 14, 2006.
## Identity
- **NPI:** 1609889203 (Entity type: Individual)
- **Enumerated:** August 14, 2006
- **Primary specialty:** Radiology - Therapeutic Radiology · taxonomy 2085R0203X
- **State license:** 036168519 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 10855 VIRGINIA ST, Crown Point, IN 46307-0210
- **Phone:** (888) 824-0200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): University Of Chicago (NPI 1821048786, Chicago, IL); Quincy Physicians & Surgeons Clinic, PLLC (NPI 1649244187, Mt Sterling, IL); North Iowa Mercy Clinics (NPI 1730259987, Cresco, IA); Memorial Hospital At Gulfport (NPI 1447869854, Ocean Springs, MS); Regional Employee Assistance Program Inc. (NPI 1215348487, Mesquite, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1972
## Record status
- **NPPES last updated:** September 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1609889203) · Data from the CMS NPPES public registry.