PROF. DIMITRIOS ALEXANDER DIMITROYANNIS PHD, MBA
NPI 1316806466
Radiology - Radiological Physics in Chicago, IL

NPI Status: Active since January 15, 2026

Contact Information

3703 N RICHMOND ST
CHICAGO, IL
ZIP 60618
Phone: (617) 953-3804

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  • Individual
  • Male
  • Radiology
  • Radiological Physics

About DIMITRIOS DIMITROYANNIS

This page provides the complete NPI Profile along with additional information for Dimitrios Dimitroyannis, a provider established in Chicago, Illinois with a medical specialization in Radiology, focusing in radiological physics . The healthcare provider is registered in the NPI registry with number 1316806466 assigned on January 2026. The practitioner's primary taxonomy code is 2085R0205X with license number FMP00010369 (TX). The provider is registered as an individual and his NPI record was last updated January 2026. 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
1316806466
Provider Name
PROF. DIMITRIOS ALEXANDER DIMITROYANNIS PHD, MBA
Gender
Male
Entity Type
Individual
Location Address
3703 N RICHMOND ST CHICAGO, IL 60618
Location Phone
(617) 953-3804
Mailing Address
3703 N RICHMOND ST CHICAGO, IL 60618
Mailing Phone
(617) 953-3804
Is Sole Proprietor?
Yes
Enumeration Date
01-15-2026
Last Update Date
01-15-2026
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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 Radiological Physics

Taxonomy Code
2085R0205X
Type
Allopathic & Osteopathic Physicians
License No.
FMP00010369
License State
TX
Taxonomy Description
A radiological physicist deals with the diagnostic and therapeutic applications of roentgen rays, gamma rays from sealed sources, ultrasonic radiation and radio-frequency radiation, as well as the equipment associated with their production and use, including radiation safety.

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 1316806466, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 6 + 0 + 1 + 2 + 4 + 1 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1316806466.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316806466, enumerated as an "individual" on January 15, 2026.

The provider is located at 3703 N RICHMOND ST CHICAGO, IL 60618 and the phone number is (617) 953-3804.

Radiology with taxonomy code 2085R0205X and a focus in Radiological Physics.