MATTHEW REIF MD
NPI 1114505856
Internal Medicine - Gastroenterology in Tucson, AZ

NPI Status: Active since April 01, 2021

Contact Information

1625 N CAMPBELL AVE
TUCSON, AZ
ZIP 85719
Phone: (520) 694-8888

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About MATTHEW REIF

This page provides the complete NPI Profile along with additional information for Matthew Reif, an internist established in Tucson, Arizona with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1114505856 assigned on April 2021. The practitioner's primary taxonomy code is 207RG0100X with license number R81264 (AZ). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1114505856
Provider Name
MATTHEW REIF MD
Gender
Male
Entity Type
Individual
Location Address
1625 N CAMPBELL AVE TUCSON, AZ 85719
Location Phone
(520) 694-8888
Mailing Address
1430 TULANE AVE NEW ORLEANS, LA 70112
Is Sole Proprietor?
Yes
Enumeration Date
04-01-2021
Last Update Date
11-07-2024
Code Navigator

An internist like Matthew Reif is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
R81264
License State
AZ
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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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 1114505856, 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 44. The final step is to find the difference between that total and the next multiple of ten (50 - 44 = 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
1
Unchanged
Pos 3
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 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 + 1 + 2 + 4 + 1 + 0 + 0 + 1 + 0 + 8 + 1 + 0 + 24 = 44

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

The next multiple of ten after 44 is 50. The difference is the calculated check digit.

50 - 44 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1114505856.

Other Providers at the Same Location


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

Hospitalist
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Emergency Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Internal Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Nurse Practitioner (Family)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Nurse Practitioner (Pediatrics)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pharmacist
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pediatrics
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Anesthesiology (Pediatric Anesthesiology)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Nurse Anesthetist, Certified Registered
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Physician Assistant
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Nurse Practitioner (Family)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Nurse Practitioner (Acute Care)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Nurse Practitioner (Family)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Emergency Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Student in an Organized Health Care Education/Training Program
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Emergency Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Emergency Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Emergency Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Psychiatry & Neurology (Neurology)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pathology (Anatomic Pathology & Clinical Pathology)
1625 N CAMPBELL AVE
TUCSON, AZ 85719

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114505856, enumerated as an "individual" on April 01, 2021.

The provider is located at 1625 N CAMPBELL AVE TUCSON, AZ 85719 and the phone number is (520) 694-8888.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.