JONATHAN MERKER MA, LMHC
NPI 1124459524
Counselor - Mental Health in New York, NY

NPI Status: Active since December 10, 2013

Contact Information

152 W 20TH ST APT C
NEW YORK, NY
ZIP 10011
Phone: (206) 707-9188

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  • Individual
  • Male
  • Counselor
  • Mental Health

About JONATHAN MERKER

This page provides the complete NPI Profile along with additional information for Jonathan Merker, a provider established in New York, New York with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1124459524 assigned on December 2013. The practitioner's primary taxonomy code is 101YM0800X with license number 011143 (NY). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1124459524
Provider Name
JONATHAN MERKER MA, LMHC
Gender
Male
Entity Type
Individual
Location Address
152 W 20TH ST APT C NEW YORK, NY 10011
Location Phone
(206) 707-9188
Mailing Address
152 W 20TH ST APT 1C NEW YORK, NY 10011
Mailing Phone
(206) 707-9188
Is Sole Proprietor?
Yes
Enumeration Date
12-10-2013
Last Update Date
03-28-2022
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A mental health counselor like Jonathan Merker 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.
011143
License State
NY

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

LH60547238 (WA)
2101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

LPC.0015458 (CO)
3101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

37PC00707500 (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 1124459524, 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
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 4 → 8 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 8 + 5 + 1 + 8 + 5 + 4 + 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 1124459524.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124459524, enumerated as an "individual" on December 10, 2013.

The provider is located at 152 W 20TH ST APT C NEW YORK, NY 10011 and the phone number is (206) 707-9188.

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