MR. TIMOTHY JAMES COURTOIS M.A.
NPI 1669918348
Counselor - Professional in Ann Arbor, MI

NPI Status: Active since January 18, 2017

Contact Information

1541 WASHTENAW AVE
ANN ARBOR, MI
ZIP 48104
Phone: (734) 644-4984

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  • Individual
  • Male
  • Counselor
  • Professional

About TIMOTHY COURTOIS

This page provides the complete NPI Profile along with additional information for Timothy Courtois, a provider established in Ann Arbor, Michigan with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1669918348 assigned on January 2017. The practitioner's primary taxonomy code is 101YP2500X with license number 6401012273 (MI). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1669918348
Provider Name
MR. TIMOTHY JAMES COURTOIS M.A.
Gender
Male
Entity Type
Individual
Location Address
1541 WASHTENAW AVE ANN ARBOR, MI 48104
Location Phone
(734) 644-4984
Mailing Address
1541 WASHTENAW AVE ANN ARBOR, MI 48104
Mailing Phone
(734) 644-4984
Is Sole Proprietor?
Yes
Enumeration Date
01-18-2017
Last Update Date
01-18-2017
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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.
6401012273
License State
MI

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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 1669918348, 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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
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 6 → 12 → 3 9 → 18 → 9 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 8 + 1 + 1 + 6 + 3 + 8 + 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 1669918348.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669918348, enumerated as an "individual" on January 18, 2017.

The provider is located at 1541 WASHTENAW AVE ANN ARBOR, MI 48104 and the phone number is (734) 644-4984.

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