MARK COSTANZO MSW
NPI 1275361024
Social Worker - School in Denver, CO

NPI Status: Active since July 23, 2024

Contact Information

951 20TH STREET STE 1201,
DENVER, CO
ZIP 80201
Phone:

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  • Individual
  • Male
  • Social Worker
  • School

About MARK COSTANZO

This page provides the complete NPI Profile along with additional information for Mark Costanzo, a provider established in Denver, Colorado with a medical specialization in Social Worker, focusing in school . The healthcare provider is registered in the NPI registry with number 1275361024 assigned on July 2024. The practitioner's primary taxonomy code is 1041S0200X with license number LSW.0009925410 (CO). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1275361024
Provider Name
MARK COSTANZO MSW
Gender
Male
Entity Type
Individual
Location Address
951 20TH STREET STE 1201, DENVER, CO 80201
Location Phone
Mailing Address
PO BOX 752123 HOUSTON, TX 77275
Mailing Phone
(312) 746-9064
Is Sole Proprietor?
Yes
Enumeration Date
07-23-2024
Last Update Date
07-31-2024
Code Navigator

A school social worker like Mark Costanzo works with teachers, parents, and school administrators to develop plans and strategies to improve students' academic performance and social development. Students are referred to school social workers to deal with problems like aggressive behavior, bullying, or frequent school absences.

Location Map

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

Social Worker School

Taxonomy Code
1041S0200X
Type
Behavioral Health & Social Service Providers
License No.
LSW.0009925410
License State
CO

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)
11041S0200XBehavioral Health & Social Service Providers

Social Worker
School

 

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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 1275361024, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
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 7 → 14 → 5 3 → 6 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 6 + 6 + 2 + 0 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1275361024.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275361024, enumerated as an "individual" on July 23, 2024.

The provider is located at 951 20TH STREET STE 1201, DENVER, CO 80201 and the phone number is .

Social Worker with taxonomy code 1041S0200X and a focus in School.