DR. JOHN A BREWSTER DDS
NPI 1598724338
Dentist - General Practice in Scott Air Force Base, IL

NPI Status: Active since March 21, 2006

Contact Information

310 W LOSEY ST
SCOTT AIR FORCE BASE, IL
ZIP 62225
Phone: (618) 256-2833

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  • Individual
  • Male
  • Dentist
  • General Practice

About JOHN BREWSTER

This page provides the complete NPI Profile along with additional information for John Brewster, a provider established in Scott Air Force Base, Illinois with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1598724338 assigned on March 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 12012424A (IN). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1598724338
Provider Name
DR. JOHN A BREWSTER DDS
Gender
Male
Entity Type
Individual
Location Address
310 W LOSEY ST SCOTT AIR FORCE BASE, IL 62225
Location Phone
(618) 256-2833
Mailing Address
310 W LOSEY ST SCOTT AIR FORCE BASE, IL 62225
Is Sole Proprietor?
No
Enumeration Date
03-21-2006
Last Update Date
07-15-2025
Code Navigator

A dentist like John Brewster is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

Location Map

Secondary Locations

  • 2501 Capehart Rd
    Offutt AFB, NE 68113
    (402) 232-0622
  • PSC 76 Box 3294
    APO, AP 96319

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
12012424A
License State
IN
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1598724338, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 4 + 2 + 8 + 3 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1598724338.

Other Providers at the Same Location


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

Dentist (General Practice)
310 W LOSEY ST
SCOTT AFB, IL 62225
Specialist
310 W LOSEY ST
SCOTT AFB, IL 62225
Nurse Practitioner (Women's Health)
310 W LOSEY ST
SCOTT AFB, IL 62225
Dentist (General Practice)
310 W LOSEY ST
SCOTT AFB, IL 62225
Podiatrist (Foot & Ankle Surgery)
310 W LOSEY ST
SCOTT AFB, IL 62225
Social Worker (Clinical)
310 W LOSEY ST
SCOTT AFB, IL 62225
Social Worker (Clinical)
310 W LOSEY ST, 375 MDOS/SHOHF
SCOTT AIR FORCE BASE, IL 62225
Dentist (Endodontics)
310 W LOSEY ST, 375 DENTAL SQUADRON
SCOTT AFB, IL 62225
Psychologist (Counseling)
310 W LOSEY ST
SCOTT AFB, IL 62225
Dentist (Prosthodontics)
310 W LOSEY ST
SCOTT AFB, IL 62225
Dietitian, Registered
310 W LOSEY ST
SCOTT AFB, IL 62225
Internal Medicine
310 W LOSEY ST
SCOTT AFB, IL 62225
Social Worker (Clinical)
310 W LOSEY ST
SCOTT AFB, IL 62225
Anesthesiology
310 W LOSEY ST
SCOTT AFB, IL 62225
Dentist (General Practice)
310 W LOSEY ST, 375TH DENTAL SQUADRON
SCOTT AFB, IL 62225
Surgery
310 W LOSEY ST
SCOTT AFB, IL 62225
Nurse Practitioner (Women's Health)
310 W LOSEY ST
SCOTT AFB, IL 62225
Thoracic Surgery (Cardiothoracic Vascular Surgery)
310 W LOSEY ST
SCOTT AFB, IL 62225
Dentist (Periodontics)
310 W LOSEY ST, BLDG 1535
SCOTT AFB, IL 62225
Pathology (Anatomic Pathology & Clinical Pathology)
310 W LOSEY ST
SCOTT AFB, IL 62225

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598724338, enumerated as an "individual" on March 21, 2006.

The provider is located at 310 W LOSEY ST SCOTT AIR FORCE BASE, IL 62225 and the phone number is (618) 256-2833.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.