DAVID ZAHN LCSW
NPI 1821367749
Counselor - Mental Health in Atlantic City, NJ

NPI Status: Active since December 21, 2011

Contact Information

1601 ATLANTIC AVE
ATLANTIC CITY, NJ
ZIP 08401
Phone: (609) 272-8580
Fax: (609) 272-8707

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  • Individual
  • Male
  • Counselor
  • Mental Health

About DAVID ZAHN

This page provides the complete NPI Profile along with additional information for David Zahn, a provider established in Atlantic City, New Jersey with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1821367749 assigned on December 2011. The practitioner's primary taxonomy code is 101YM0800X with license number 44SC05317300 (NJ). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1821367749
Provider Name
DAVID ZAHN LCSW
Gender
Male
Entity Type
Individual
Location Address
1601 ATLANTIC AVE ATLANTIC CITY, NJ 08401
Location Phone
(609) 272-8580
Location Fax
(609) 272-8707
Mailing Address
PO BOX 1086 PLEASANTVILLE, NJ 08232
Mailing Phone
(609) 272-8580
Mailing Fax
(609) 272-8707
Is Sole Proprietor?
No
Enumeration Date
12-21-2011
Last Update Date
12-21-2011
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A mental health counselor like David Zahn provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
44SC05317300
License State
NJ

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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 1821367749, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 6 + 6 + 1 + 4 + 7 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1821367749.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor (Professional)
1601 ATLANTIC AVE, 1ST FLOOR, ADULT INTERVENTION SERVICES
ATLANTIC CITY, NJ 08401
Counselor (Mental Health)
1601 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Counselor
1601 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Social Worker
1601 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Social Worker
1601 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Counselor (Mental Health)
1601 ATLANTIC AVE
ATLANTIC CITY, NJ 08401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821367749, enumerated as an "individual" on December 21, 2011.

The provider is located at 1601 ATLANTIC AVE ATLANTIC CITY, NJ 08401 and the phone number is (609) 272-8580.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.