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DR. THOMAS EUGENE BENZONI DO
NPI 1245231448
Emergency Medicine in Sioux City, IA

Active since August 10, 2005PECOS EnrolledAccepts Medicare Assignment
801 5TH ST, SIOUX CITY, IA 51101(712) 279-2066 Get Directions Write a Review

NPPES record last updated: December 10, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Thomas Eugene Benzoni Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS EUGENE BENZONI DO (NPI 1245231448) is an individual emergency medicine provider in Sioux City, Iowa, licensed in Iowa (2212) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Des Moines Iowa Methodist Medi, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1983).

NPPES Registry Identity

NPI1245231448
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. THOMAS EUGENE BENZONICredential: DO
Location Address801 5TH STSioux City, IA 51101-1394
Mailing Address4343 Far Hills RdSioux City, IA 51104-1030
Phone(712) 279-2066
Sole ProprietorNo
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 1983
Enumeration DateAugust 10, 2005
Last NPPES UpdateDecember 10, 2007
✔ NPI 1245231448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IA · 2212✔ Licensed in NE · 51✔ Licensed in SD · 4795
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License 2212 (IA)
801 5TH ST, Sioux City, IA 51101
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Other Identifiers 1

Medicare UPINC69214

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..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

Dr. Thomas Eugene Benzoni Do 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 ID648167924
PECOS Enrollment IDI20040302000309
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Thomas Benzoni reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boone County Hospital
126 mi
Family Medicine
320 W WALNUT ST
Ogden, IA 50212
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1942664602 (Iowa)
  • 41 clinicians in this Medicare group
NPI 1730503319 (515) 275-2417
Broadlawns Medical Center
137 mi
Rural Health
507 14TH ST
Dallas Center, IA 50063
  • Reassigned Medicare billing, Iowa enrollment
  • 518 clinicians in this Medicare group
NPI 1467850727 (515) 992-3711
Central Iowa Hospital Corporation
146 mi
Family Medicine
1551 S 3RD ST
Grimes, IA 50111
  • Reassigned Medicare billing, Iowa enrollment
  • 545 clinicians in this Medicare group
NPI 1891746434 (515) 986-4524
Unitypoint Health - Marshalltown
177 mi
Emergency Medicine
55 UNITYPOINT WAY
Marshalltown, IA 50158
  • Reassigned Medicare billing, Iowa enrollment
  • 214 clinicians in this Medicare group
NPI 1164957593 (641) 754-5145
Grinnell Regional Medical Center, Inc
195 mi
Nurse Anesthetist, Certified Registered
210 FOURTH AVENUE
Grinnell, IA 50112
  • Reassigned Medicare billing, Iowa enrollment
  • 177 clinicians in this Medicare group
NPI 1306059506 (641) 236-2913

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 4

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
179 services173 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
110 services109 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
75 services75 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unitypoint Health - Des Moines Iowa Methodist Medi

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160082
Location1200 Pleasant StreetDes Moines, IA 50309 · Polk County
Emergency services Birthing friendly

Boone County Hospital

Critical Access Hospitals · Boone, IA
OwnershipGovernment - Local
CMS Certification Number161372
Location1015 Union StreetBoone, IA 50036 · Boone County
Emergency services

Buena Vista Regional Medical Center

Critical Access Hospitals · Storm Lake, IA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number161375
Location1525 West 5th StreetStorm Lake, IA 50588 · Buena Vista County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MS. KRISTI JO HANSEN P.A.
Physician Assistant
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 279-2512
KIRSTEN MARIE NEDVED
Nurse Practitioner
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 294-7020
NICOLE MARIE KASSING
Physical Therapy Assistant
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 233-5129
MARK EDWARD DAVIS CNP
Nurse Practitioner
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 279-2010
DR. BRETT C. BIEBER PHARM.D. (RPH)
Pharmacist
801 5TH ST, MERCY MEDICAL CENTER - MAIN PHARMACY
SIOUX CITY, IA 51101
Woodbury County (712) 279-5992
GINGER DAWN HAMILTON FNP
Nurse Practitioner
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 279-2010
DEBORAH CARTER CRNA
Nurse Anesthetist, Certified Registered
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 279-2505
DR. PETER JON ANDERSON M.D.
Internal Medicine
801 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 279-2010

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 Thomas Benzoni's NPI number?

The NPI number for Thomas Benzoni is 1245231448. It was assigned to this individual provider in the NPPES registry on August 10, 2005.

Where is Thomas Benzoni located?

Thomas Benzoni practices at 801 5th St, Sioux City, IA 51101. The listed phone number is (712) 279-2066.

What is Thomas Benzoni's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thomas Benzoni enrolled in Medicare?

Yes. Thomas Benzoni 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 Thomas Benzoni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Benzoni reassigns Medicare benefits to 5 organizations: Boone County Hospital (Ogden, IA), Broadlawns Medical Center (Dallas Center, IA), Central Iowa Hospital Corporation (Grimes, IA), Unitypoint Health - Marshalltown (Marshalltown, IA) and Grinnell Regional Medical Center, Inc (Grinnell, IA). 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 Thomas Benzoni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Benzoni accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Thomas Benzoni 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 Thomas Benzoni affiliated with any hospitals?

According to CMS data, Thomas Benzoni is affiliated with Unitypoint Health - Des Moines Iowa Methodist Medi, Boone County Hospital and Buena Vista Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Benzoni was last updated on December 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.