MR. DAVID JOHN CRUZAN M.S., L.G.P.C.
NPI 1366892234
Counselor - Professional in Frederick, MD

NPI Status: Active since June 21, 2016

Contact Information

116 RECORD ST
FREDERICK, MD
ZIP 21701
Phone: (301) 620-8700
Fax: (301) 620-8710

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Counselor
Professional

About DAVID CRUZAN

This page provides the complete NPI Profile along with additional information for David Cruzan, a provider established in Frederick, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1366892234 assigned on June 2016. The practitioner's primary taxonomy code is 101YP2500X with license number LGP7105 (MD). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI: 1366892234
Provider Name: MR. DAVID JOHN CRUZAN M.S., L.G.P.C.
Gender: Male
Entity Type: Individual
Location Address: 116 RECORD ST FREDERICK, MD 21701
Location Phone: (301) 620-8700
Location Fax: (301) 620-8710
Mailing Address: 116 RECORD ST FREDERICK, MD 21701
Mailing Phone: (301) 620-8700
Mailing Fax: (301) 620-8710
Is Sole Proprietor?: No
Enumeration Date: 06-21-2016
Last Update Date: 07-05-2016
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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.: LGP7105
License State: MD

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 1366892234, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 8 → 16 → 7 2 → 4 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 6 + 9 + 4 + 2 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1366892234.