DR. ISADORA FRAZAO LINFORD MD
NPI 1003438714
Radiology - Diagnostic Radiology in Rochester, MN

NPI Status: Active since May 15, 2020

Contact Information

200 1ST ST SW
ROCHESTER, MN
ZIP 55905
Phone: (507) 284-2511

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

Table of Contents

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Radiology
Diagnostic Radiology

About ISADORA LINFORD

This page provides the complete NPI Profile along with additional information for Isadora Linford, a provider established in Rochester, Minnesota with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1003438714 assigned on May 2020. The practitioner's primary taxonomy code is 2085R0202X with license number 81579 (MN). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI: 1003438714
Provider Name: DR. ISADORA FRAZAO LINFORD MD
Other Name: ISADORA CARVALHO FRAZAO MD
Other Name Type: Former Name (1)
Gender: Female
Entity Type: Individual
Location Address: 200 1ST ST SW ROCHESTER, MN 55905
Location Phone: (507) 284-2511
Mailing Address: PO BOX 860912 MINNEAPOLIS, MN 55486
Mailing Phone: (507) 284-2511
Is Sole Proprietor?: No
Enumeration Date: 05-15-2020
Last Update Date: 06-04-2026
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Location Map

Secondary Locations

955 Main St Ste 7230
Buffalo, NY 14203
(716) 829-2012

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.: 81579
License State: MN
Taxonomy Description: A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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 1003438714, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 2

Check

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 0 → 0 4 → 8 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 8 + 3 + 1 + 6 + 7 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1003438714.