JOHN RENFREW
NPI 1134582489
Radiology - Diagnostic Radiology in Scottsdale, AZ

NPI Status: Active since April 04, 2016

Contact Information

13400 E SHEA BLVD
SCOTTSDALE, AZ
ZIP 85259
Phone: (480) 301-8000

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

Individual
Male
Radiology
Diagnostic Radiology

About JOHN RENFREW

This page provides the complete NPI Profile along with additional information for John Renfrew, a provider established in Scottsdale, Arizona with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1134582489 assigned on April 2016. The practitioner's primary taxonomy code is 2085R0202X with license number 54908 (AZ). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI: 1134582489
Provider Name: JOHN RENFREW
Gender: Male
Entity Type: Individual
Location Address: 13400 E SHEA BLVD SCOTTSDALE, AZ 85259
Location Phone: (480) 301-8000
Mailing Address: 13400 E SHEA BLVD SCOTTSDALE, AZ 85259
Mailing Phone: (480) 301-8000
Is Sole Proprietor?: No
Enumeration Date: 04-04-2016
Last Update Date: 09-08-2020
Code Navigator

Location Map

Secondary Locations

8701 W Watertown Plank Rd
Milwaukee, WI 53226
(414) 955-8296

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.: 54908
License State: AZ
Taxonomy Description: A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	390200000X	Student, Health Care	Student in an Organized Health Care Education/Training Program

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 1134582489, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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 → 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 3 → 6 5 → 10 → 1 2 → 4 8 → 16 → 7