ST. JOHN D MCGRATH M.D.
NPI 1922112820
Internal Medicine - Infectious Disease in Springfield, MA

NPI Status: Active since August 18, 2006

Contact Information

780 CHESTNUT ST
SUITE 30
SPRINGFIELD, MA
ZIP 01107
Phone: (413) 747-5566

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  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About ST. JOHN MCGRATH

This page provides the complete NPI Profile along with additional information for St. John Mcgrath, an internist established in Springfield, Massachusetts with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1922112820 assigned on August 2006. The practitioner's primary taxonomy code is 207RI0200X with license number 78054 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1922112820
Provider Name
ST. JOHN D MCGRATH M.D.
Gender
Male
Entity Type
Individual
Location Address
780 CHESTNUT ST SUITE 30 SPRINGFIELD, MA 01107
Location Phone
(413) 747-5566
Mailing Address
28 DEER RUN SOUTHWICK, MA 01077
Mailing Phone
(413) 747-5566
Is Sole Proprietor?
No
Enumeration Date
08-18-2006
Last Update Date
07-08-2007
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An internist like St. John Mcgrath 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
78054
License State
MA
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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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 1922112820, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 1 → 2 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 2 + 1 + 4 + 8 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1922112820.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
780 CHESTNUT ST, STE 23
SPRINGFIELD, MA 01107
Internal Medicine (Geriatric Medicine)
780 CHESTNUT ST, STE 23
SPRINGFIELD, MA 01107
Internal Medicine (Geriatric Medicine)
780 CHESTNUT ST, SUITE 23
SPRINGFIELD, MA 01107
Specialist
780 CHESTNUT ST
SPRINGFIELD, MA 01107
Pediatrics (Pediatric Pulmonology)
780 CHESTNUT ST, STE. 11
SPRINGFIELD, MA 01107
Podiatrist (Foot Surgery)
780 CHESTNUT ST, SUITE 8
SPRINGFIELD, MA 01107
Physical Therapist
780 CHESTNUT ST, SUITE 22
SPRINGFIELD, MA 01107
Ophthalmology
780 CHESTNUT ST, SUITE 19
SPRINGFIELD, MA 01107
Clinical Medical Laboratory
780 CHESTNUT ST, STE 4
SPRINGFIELD, MA 01107
Counselor (Addiction (Substance Use Disorder))
780 CHESTNUT ST, SUITE 4
SPRINGFIELD, MA 01107
Nurse Practitioner (Adult Health)
780 CHESTNUT ST, SUITE 23
SPRINGFIELD, MA 01107
Physical Medicine & Rehabilitation
780 CHESTNUT ST, STE 22
SPRINGFIELD, MA 01107
Surgery
780 CHESTNUT ST, SUITE 14
SPRINGFIELD, MA 01107
Nurse Practitioner (Family)
780 CHESTNUT ST
SPRINGFIELD, MA 01107
Podiatrist (Primary Podiatric Medicine)
780 CHESTNUT ST, SUITE 8
SPRINGFIELD, MA 01107
Internal Medicine (Cardiovascular Disease)
780 CHESTNUT ST, SUITE 20
SPRINGFIELD, MA 01107
Clinic/Center (Physical Therapy)
780 CHESTNUT ST, STE 3
SPRINGFIELD, MA 01107
Radiology (Diagnostic Ultrasound)
780 CHESTNUT ST, STE 4
SPRINGFIELD, MA 01107
Psychologist (School)
780 CHESTNUT ST, SUITE 12
SPRINGFIELD, MA 01107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922112820, enumerated as an "individual" on August 18, 2006.

The provider is located at 780 CHESTNUT ST SUITE 30 SPRINGFIELD, MA 01107 and the phone number is (413) 747-5566.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.