DR. CHRISTOPHER JEAN KNAPP MD, MPH
NPI 1245201920
Preventive Medicine - Occupational Medicine in Granite City, IL

NPI Status: Active since January 30, 2006

Contact Information

2044 MADISON AVE
SUITE G6
GRANITE CITY, IL
ZIP 62040
Phone: (618) 798-3475
Fax: (618) 798-3475

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  • Individual
  • Male
  • Preventive Medicine
  • Occupational Medicine

About CHRISTOPHER KNAPP

This page provides the complete NPI Profile along with additional information for Christopher Knapp, a provider established in Granite City, Illinois with a medical specialization in Preventive Medicine, focusing in occupational medicine . The healthcare provider is registered in the NPI registry with number 1245201920 assigned on January 2006. The practitioner's primary taxonomy code is 2083X0100X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1245201920
Provider Name
DR. CHRISTOPHER JEAN KNAPP MD, MPH
Gender
Male
Entity Type
Individual
Location Address
2044 MADISON AVE SUITE G6 GRANITE CITY, IL 62040
Location Phone
(618) 798-3475
Location Fax
(618) 798-3475
Mailing Address
26 CARLYLE PLAZA DR PMB 135 BELLEVILLE, IL 62221
Mailing Phone
(618) 798-3475
Mailing Fax
(618) 798-3475
Is Sole Proprietor?
Yes
Enumeration Date
01-30-2006
Last Update Date
07-08-2007
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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

Preventive Medicine Occupational Medicine

Taxonomy Code
2083X0100X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.

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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 1245201920, 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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
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 4 → 8 2 → 4 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 4 + 0 + 2 + 9 + 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 1245201920.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Internal Medicine
2044 MADISON AVE, SUITE 23
GRANITE CITY, IL 62040
Internal Medicine
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Pharmacy (Community/Retail Pharmacy)
2044 MADISON AVE, STE 4
GRANITE CITY, IL 62040
Nurse Practitioner (Adult Health)
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Internal Medicine
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Internal Medicine (Hematology & Oncology)
2044 MADISON AVE, STE 28
GRANITE CITY, IL 62040
Physical Medicine & Rehabilitation
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Registered Nurse (Pediatrics)
2044 MADISON AVE, SUITE G7
GRANITE CITY, IL 62040
Urology
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Nurse Practitioner (Adult Health)
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Surgery
2044 MADISON AVE, SUITE 27
GRANITE CITY, IL 62040
Surgery
2044 MADISON AVE, SUITE 27
GRANITE CITY, IL 62040
Physiological Laboratory
2044 MADISON AVE, SUITE 28
GRANITE CITY, IL 62040
Surgery
2044 MADISON AVE, SUITE 27
GRANITE CITY, IL 62040
Clinical Medical Laboratory
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Durable Medical Equipment & Medical Supplies
2044 MADISON AVE
GRANITE CITY, IL 62040
Internal Medicine
2044 MADISON AVE, SUITE 15
GRANITE CITY, IL 62040
Family Medicine
2044 MADISON AVE, SUITE 27
GRANITE CITY, IL 62040

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245201920, enumerated as an "individual" on January 30, 2006.

The provider is located at 2044 MADISON AVE SUITE G6 GRANITE CITY, IL 62040 and the phone number is (618) 798-3475.

Preventive Medicine with taxonomy code 2083X0100X and a focus in Occupational Medicine.