SIMEON SMITH MD
NPI 1538858931
Radiology - Diagnostic Radiology in Tucson, AZ

NPI Status: Active since May 02, 2023

Contact Information

1625 N CAMPBELL AVE
TUCSON, AZ
ZIP 85721
Phone: (520) 694-4444

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NPPES record last updated: July 23, 2024. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About SIMEON SMITH

This page provides the complete NPI Profile along with additional information for Simeon Smith, a provider established in Tucson, Arizona with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1538858931 assigned on May 2023. The practitioner's primary taxonomy code is 2085R0202X with license number R81010 (AZ). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1538858931
Provider Name
SIMEON SMITH MD
Gender
Male
Entity Type
Individual
Location Address
1625 N CAMPBELL AVE TUCSON, AZ 85721
Location Phone
(520) 694-4444
Mailing Address
PO BOX 245067 TUCSON, AZ 85724
Mailing Phone
(520) 694-4444
Is Sole Proprietor?
No
Enumeration Date
05-02-2023
Last Update Date
07-23-2024
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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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
R81010
License State
AZ
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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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 1538858931, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).

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
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 3 → 6 8 → 16 → 7 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 1 + 6 + 5 + 1 + 6 + 9 + 6 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1538858931.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
1625 N CAMPBELL AVE
TUCSON, AZ 85721

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538858931, enumerated as an "individual" on May 02, 2023.

The provider is located at 1625 N CAMPBELL AVE TUCSON, AZ 85721 and the phone number is (520) 694-4444.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.