DIANNA JO ZARUBA BSN, RN
NPI 1366305187
Surgery in Iowa City, IA

NPI Status: Active since December 08, 2025

Contact Information

601 HIGHWAY 6 W
IOWA CITY, IA
ZIP 52246
Phone: (319) 338-0581

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  • Individual
  • Female
  • Surgery

About DIANNA ZARUBA

This page provides the complete NPI Profile along with additional information for Dianna Zaruba, a provider established in Iowa City, Iowa with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1366305187 assigned on December 2025. The practitioner's primary taxonomy code is 208600000X with license number 100895 (IA). The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1366305187
Provider Name
DIANNA JO ZARUBA BSN, RN
Gender
Female
Entity Type
Individual
Location Address
601 HIGHWAY 6 W IOWA CITY, IA 52246
Location Phone
(319) 338-0581
Mailing Address
601 HIGHWAY 6 W IOWA CITY, IA 52246
Mailing Phone
(319) 338-0581
Is Sole Proprietor?
Yes
Enumeration Date
12-08-2025
Last Update Date
12-08-2025
Code Navigator

A surgeon like Dianna Zaruba treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
100895
License State
IA
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1366305187, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 3 → 6 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 1 + 2 + 6 + 6 + 0 + 1 + 0 + 1 + 1 + 6 + 24 = 53

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1366305187.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, PHARMACY SERVICE (119), VAMC
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, PHARMACY (119)
IOWA CITY, IA 52246
Dentist (Prosthodontics)
601 HIGHWAY 6 W, DENTAL SERVICE (160), VAMC
IOWA CITY, IA 52246
Dentist (Prosthodontics)
601 HIGHWAY 6 W, DEPT VET AFFAIRS MED CENTER
IOWA CITY, IA 52246
Social Worker (Clinical)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Physician Assistant
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Physician Assistant
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, VA MEDICAL CENTER - PRIMARY CARE 111H
IOWA CITY, IA 52246
Pharmacist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Nurse Practitioner (Psychiatric/Mental Health)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Dietitian, Registered
601 HIGHWAY 6 W, VA MEDICAL CENTER, IOWA CITY
IOWA CITY, IA 52246
Marriage & Family Therapist
601 HIGHWAY 6 W, VAMC
IOWA CITY, IA 52246
Pharmacist (Psychiatric)
601 HIGHWAY 6 W, IOWA CITY VA MEDICAL CENTER
IOWA CITY, IA 52246
Audiologist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, VA MEDICAL CENTER
IOWA CITY, IA 52246
Dietitian, Registered
601 HIGHWAY 6 W, VAMC
IOWA CITY, IA 52246
Audiologist
601 HIGHWAY 6 W, AUDIOLOGY 126
IOWA CITY, IA 52246
Clinical Nurse Specialist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Religious Nonmedical Nursing Personnel
601 HIGHWAY 6 W
IOWA CITY, IA 52246

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366305187, enumerated as an "individual" on December 08, 2025.

The provider is located at 601 HIGHWAY 6 W IOWA CITY, IA 52246 and the phone number is (319) 338-0581.

Surgery with taxonomy code 208600000X.