Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

EVAN HASANI-OBADIAH SMITH MD
NPI 1811525553
Surgery in Des Moines, IA

Active since March 30, 2020
1111 6TH AVE, DES MOINES, IA 50314(515) 643-2261(515) 643-5802 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 13, 2026, Jul 7, 2026, Apr 2, 2020 (3 updates tracked since 2020).

  • Individual
  • Male
  • Surgery

About EVAN SMITH

This page provides the complete NPI Profile along with additional information for Evan Smith, a provider established in Des Moines, Iowa with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1811525553 assigned on March 2020. The practitioner's primary taxonomy code is 208600000X with license number R-14027 (IA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1811525553
Provider Name
EVAN HASANI-OBADIAH SMITH MD
Gender
Male
Entity Type
Individual
Location Address
1111 6TH AVE DES MOINES, IA 50314
Location Phone
(515) 643-2261
Location Fax
(515) 643-5802
Mailing Address
1111 6TH AVE DES MOINES, IA 50314
Mailing Phone
(515) 643-2261
Mailing Fax
(515) 643-5802
Is Sole Proprietor?
No
Enumeration Date
03-30-2020
Last Update Date
07-13-2026
Code Navigator

A surgeon like Evan Smith 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.
R-14027
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.

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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 1811525553, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 1 → 2 5 → 10 → 1 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 1 + 0 + 2 + 1 + 0 + 5 + 1 + 0 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1811525553.

Other Providers at the Same Location


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

Pediatrics (Pediatric Critical Care Medicine)
1111 6TH AVE, MAIN 3
DES MOINES, IA 50314
Nurse Practitioner (Family)
1111 6TH AVE, MERCY MEDICAL CENTE ER
DES MOINES, IA 50314
Emergency Medicine
1111 6TH AVE, EMERGENCY MEDICINE
DES MOINES, IA 50314
Emergency Medicine
1111 6TH AVE, EMERGENCY DEPARTMENT
DES MOINES, IA 50314
Pediatrics (Pediatric Emergency Medicine)
1111 6TH AVE, PEDIATRIC EMERGENCY DEPARTMENT
DES MOINES, IA 50314
Emergency Medicine
1111 6TH AVE
DES MOINES, IA 50314
Emergency Medicine
1111 6TH AVE, MERCY HOSPITAL EMERGENCY PHYSICIANS
DES MOINES, IA 50314
Pediatrics (Neonatal-Perinatal Medicine)
1111 6TH AVE
DES MOINES, IA 50314
Specialist
1111 6TH AVE, SUITE 500
DES MOINES, IA 50314
Emergency Medicine
1111 6TH AVE
DES MOINES, IA 50314
Emergency Medicine (Emergency Medical Services)
1111 6TH AVE
DES MOINES, IA 50314
Pathology (Anatomic Pathology & Clinical Pathology)
1111 6TH AVE, MERCY MEDICAL CENTER PATHOLOGY DEPT
DES MOINES, IA 50314
Pathology (Anatomic Pathology & Clinical Pathology)
1111 6TH AVE, MERCY MEDICAL CENTER PATHOLOGY DEPARTMENT
DES MOINES, IA 50314
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Emergency Medicine
1111 6TH AVE, MERCY MAIN FLOOR
DES MOINES, IA 50314
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Clinical Neuropsychologist
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811525553, enumerated as an "individual" on March 30, 2020.

The provider is located at 1111 6TH AVE DES MOINES, IA 50314 and the phone number is (515) 643-2261.

Surgery with taxonomy code 208600000X.