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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLAN W CASS MD
NPI 1609889203
Radiology - Therapeutic Radiology in Crown Point, IN

Active since August 14, 2006PECOS Enrolled
10855 VIRGINIA ST, CROWN POINT, IN 46307(888) 824-0200 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 22, 2026, Apr 23, 2026, May 7, 2024 and 2 more (5 updates tracked since 2020).

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

NPI1609889203
Entity TypeIndividualMale
Primary Taxonomy2085R0203X
Provider Legal NameALLAN W CASSCredential: MD
Location Address10855 VIRGINIA STCrown Point, IN 46307-0210
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965 · (773) 702-1061 · Fax (325) 649-3935
Phone(888) 824-0200
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1972
Enumeration DateAugust 14, 2006
Last NPPES UpdateSeptember 22, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1609889203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Therapeutic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0203X
License✔ Licensed in IL · 036168519
Definition
Therapeutic Radiology certificate name was changed to Radiation Oncology. Use Radiation Oncology.
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X · License 01092846A (IN), 036168519 (IL)
10855 VIRGINIA ST, Crown Point, IN 46307
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11000 4th St SWMason City, IA 50401-2800 · Phone (641) 428-7000
Location 23301 Broadway StQuincy, IL 62301-3713 · Phone (217) 277-4070
Location 3210 Saint Joseph DrBloomington, IL 61701-3636 · Phone (309) 684-9100 · Fax (309) 684-9112

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID3678587441
PECOS Enrollment IDI20230803000513, I20260610002717
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
216 services51 patients

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, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160064
Location1000 Fourth Street SWMason City, IA 50401 · Cerro Gordo County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KELLY STRAZZANTE RD, PA-C
Physician Assistant
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (219) 407-5500
UCHICAGO MEDICINE NORTHWEST INDIANA INC
General Acute Care Hospital
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (999) 999-9999
DR. VIGNAN ELE AU.D.
Audiologist
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (219) 407-5500
THOMAS PAWLOWSKI D.O.
Family Medicine
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (888) 824-0200
ADAM KESSLER
Emergency Medicine
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (888) 824-0200
MARIA JOANNA AGORIS PA-C
Physician Assistant
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (888) 824-0200
SARAH ANN WILLIAMS-PEREZ MSN, FNP-BC
Nurse Practitioner
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (888) 824-0200
KELSEY RAKERS
Registered Nurse
10855 VIRGINIA ST
CROWN POINT, IN 46307
Lake County (219) 407-5800

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.

What insurance does Allan Cass accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 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 19 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.