DR. JOHN PATRICK MCGRORY M.D.
NPI 1891743290
Internal Medicine in Phoenix, AZ

NPI Status: Active since May 05, 2006

Contact Information

2141 E CAMELBACK RD
SUITE 210
PHOENIX, AZ
ZIP 85016
Phone: (602) 626-7947

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  • Individual
  • Male
  • Internal Medicine

About JOHN MCGRORY

This page provides the complete NPI Profile along with additional information for John Mcgrory, an internist established in Phoenix, Arizona with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1891743290 assigned on May 2006. The practitioner's primary taxonomy code is 207R00000X with license number 20234 (CO). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1891743290
Provider Name
DR. JOHN PATRICK MCGRORY M.D.
Gender
Male
Entity Type
Individual
Location Address
2141 E CAMELBACK RD SUITE 210 PHOENIX, AZ 85016
Location Phone
(602) 626-7947
Mailing Address
3670 S BEELER ST UNIT 2 DENVER, CO 80237
Mailing Phone
(303) 917-3610
Is Sole Proprietor?
No
Enumeration Date
05-05-2006
Last Update Date
05-24-2026
Code Navigator

An internist like John Mcgrory 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
20234
License State
CO
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive 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 1891743290, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 9 → 18 → 9 7 → 14 → 5 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 4 + 6 + 2 + 1 + 8 + 24 = 70

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

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1891743290.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
2141 E CAMELBACK RD, SUITE 230
PHOENIX, AZ 85016
Family Medicine
2141 E CAMELBACK RD, SUITE 210
PHOENIX, AZ 85016
Physiological Laboratory
2141 E CAMELBACK RD, STE 110
PHOENIX, AZ 85016
Clinic/Center (VA)
2141 E CAMELBACK RD, SUITE 210
PHOENIX, AZ 85016
Physical Therapy Assistant
2141 E CAMELBACK RD
PHOENIX, AZ 85016
Radiology (Neuroradiology)
2141 E CAMELBACK RD, SUITE 230
PHOENIX, AZ 85016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891743290, enumerated as an "individual" on May 05, 2006.

The provider is located at 2141 E CAMELBACK RD SUITE 210 PHOENIX, AZ 85016 and the phone number is (602) 626-7947.

Internal Medicine with taxonomy code 207R00000X.