CHARLES KNAPP
NPI 1144618554
Counselor - Professional in Boulder, CO

NPI Status: Active since January 07, 2015

Contact Information

1501 YARMOUTH AVE
BOULDER, CO
ZIP 80304
Phone: (303) 786-9314

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  • Individual
  • Male
  • Counselor
  • Professional

About CHARLES KNAPP

This page provides the complete NPI Profile along with additional information for Charles Knapp, a provider established in Boulder, Colorado with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1144618554 assigned on January 2015. The practitioner's primary taxonomy code is 101YP2500X with license number 1433 (CO). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1144618554
Provider Name
CHARLES KNAPP
Gender
Male
Entity Type
Individual
Location Address
1501 YARMOUTH AVE BOULDER, CO 80304
Location Phone
(303) 786-9314
Mailing Address
1501 YARMOUTH AVE BOULDER, CO 80304
Mailing Phone
(303) 786-9314
Is Sole Proprietor?
No
Enumeration Date
01-07-2015
Last Update Date
01-07-2015
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
1433
License State
CO

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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 1144618554, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 6 → 12 → 3 8 → 16 → 7 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 + 8 + 4 + 1 + 2 + 1 + 1 + 6 + 5 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1144618554.

Other Providers at the Same Location


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

Community/Behavioral Health
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Professional)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Professional)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE, WINDHORSE COMMUNITY SERVICES
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Addiction (Substance Use Disorder))
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Mental Health)
1501 YARMOUTH AVE
BOULDER, CO 80304
Counselor (Professional)
1501 YARMOUTH AVE
BOULDER, CO 80304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144618554, enumerated as an "individual" on January 07, 2015.

The provider is located at 1501 YARMOUTH AVE BOULDER, CO 80304 and the phone number is (303) 786-9314.

Counselor with taxonomy code 101YP2500X and a focus in Professional.