DR. DON CASSIDY II ARNOLD (M.D.) – Urology Physician, NPI 1457501926

DR. DON CASSIDY II ARNOLD (M.D.) is a healthcare provider. based in Harrisburg, Illinois. specializing in UROLOGY. They hold the professional credentials M.D.. They hold a License No. 036.131997 (IL). The NPI Number for DR. DON CASSIDY II ARNOLD (M.D.) is 1457501926

Main info

Male
21 Years Of Experience
Accepts Medicare Assignment
Name
DR. DON CASSIDY II ARNOLD (M.D.)
NPI
1457501926
Phone
(618) 252-8625
Address
117 E Clark St
Enumeration Date
22 September 2008
Last Update Date
10 September 2021

Doctor Profile

Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Secondary Phone
6185490721
Graduation Year
2005 (21 years ago)
PAC ID
7517137995
Group Practice PAC ID
3678677390
Professional Enrollment ID
I20130807000388
Address ID
IL629011462CA405XXSTXX400
Telehealth
Yes

Contacts

Secure Messaging
darnold14006@sih.direct-ci.com
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience58
Completeness85
Years active:17State licenses:1Other namesUpdated within 12 months

543 UROLOGY in IL

Provider Addresses for DR. DON CASSIDY II ARNOLD (M.D.)

  • 117 E Clark St

    Harrisburg, IL 629462702

    Phone: (618) 252-8625

    Fax: (618) 351-4859

    Type: Location

  • 2601 W Main St

    Carbondale, IL 629011031

    Phone: (618) 351-7300

    Fax: (618) 457-7890

    Type: Location

  • South Park Avenue, Herrin, Williamson County, Illinois, 62948, United States

    HERRIN, IL 62948

    Phone: (618) 988-6240

    Fax: (618) 351-4814

    Type: Location

  • PO BOX 3988

    CARBONDALE, IL 629023988

    Phone: (618) 457-5200

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 51 Open Payments records for all available years, with a total value of $23,238.

Total Amount is formed as General ($23,238) + Research ($0) + Ownership ($0) = $23,238.

Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Stryker Corporation ($14,582).

Total Amount

$23,238

General + Research + Ownership

Payments

51

Total payment records

General Amount

$23,238

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-22

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-08-07

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20130807000388IUrologyILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes318245$0
99213Established patient office or other outpatient visit, 20-29 minutes226161$0
51798Ultrasound measurement of bladder capacity after voiding9569$0
99441Telephone medical discussion with physician, 5-10 minutes8873$0
51702Simple insertion of temporary bladder tube8624$0
View full utilization report →

Insurance plans in this area (ZIP 62946)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3678677390View full group profile
NameSpecialtyState
H E M A T O L O G Y/ O N C O L O G YIL
Cardiovascular Disease (Cardiology)IL
-IL
Emergency MedicineIL
Nurse PractitionerMO
Nurse PractitionerIL
Emergency MedicineIL
-IL
N E U R O L O G YIL
U R O L O G YIL

Reviews

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Frequently asked questions

How do payers reference DR. DON CASSIDY II ARNOLD (M.D.)?
For DR. DON CASSIDY II ARNOLD (M.D.), use NPI 1457501926 as the unique 10-digit identifier.
Is there an active status for DR. DON CASSIDY II ARNOLD (M.D.)?
For scheduling context, DR. DON CASSIDY II ARNOLD (M.D.) is shown as active in the registry.
What clinical focus is listed for DR. DON CASSIDY II ARNOLD (M.D.)?
At a glance, DR. DON CASSIDY II ARNOLD (M.D.) is tied to Urology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. DON CASSIDY II ARNOLD (M.D.)?
Directory geography for DR. DON CASSIDY II ARNOLD (M.D.) centers on Harrisburg, Illinois.
When was this NPI issued?
Enumeration for DR. DON CASSIDY II ARNOLD (M.D.) is noted as September 22, 2008 where the registry provides it.

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