MARIELLE SPERO
NPI 1821932153
Counselor - Professional in Colts Neck, NJ

NPI Status: Active since April 16, 2026

Contact Information

29 STONEY CREEK LN
COLTS NECK, NJ
ZIP 07722
Phone: (732) 943-6791
Fax: (732) 898-0482

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  • Individual
  • Female
  • Counselor
  • Professional

About MARIELLE SPERO

This page provides the complete NPI Profile along with additional information for Marielle Spero, a provider established in Colts Neck, New Jersey with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1821932153 assigned on April 2026. The practitioner's primary taxonomy code is 101YP2500X with license number 37PC01249100 (NJ). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1821932153
Provider Name
MARIELLE SPERO
Gender
Female
Entity Type
Individual
Location Address
29 STONEY CREEK LN COLTS NECK, NJ 07722
Location Phone
(732) 943-6791
Location Fax
(732) 898-0482
Mailing Address
29 STONEY CREEK LN COLTS NECK, NJ 07722
Mailing Phone
(732) 943-6791
Mailing Fax
(732) 898-0482
Is Sole Proprietor?
No
Enumeration Date
04-16-2026
Last Update Date
04-16-2026
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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.
37PC01249100
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 1821932153, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 9 → 18 → 9 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 3 + 4 + 1 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1821932153.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Counselor
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Clinic/Center (Mental Health (Including Community Mental Health Center))
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Counselor (Mental Health)
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Counselor (Mental Health)
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Social Worker (Clinical)
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Counselor (Mental Health)
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Counselor (Mental Health)
29 STONEY CREEK LN
COLTS NECK, NJ 07722
Counselor (Professional)
29 STONEY CREEK LN
COLTS NECK, NJ 07722

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821932153, enumerated as an "individual" on April 16, 2026.

The provider is located at 29 STONEY CREEK LN COLTS NECK, NJ 07722 and the phone number is (732) 943-6791.

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