TIMOTHY FONTANA LICSW
NPI 1861970212
Counselor - School in Topsfield, MA

NPI Status: Active since July 29, 2018

Contact Information

248 BOSTON ST
TOPSFIELD, MA
ZIP 01983
Phone: (781) 941-0341

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  • Individual
  • Male
  • Counselor
  • School

About TIMOTHY FONTANA

This page provides the complete NPI Profile along with additional information for Timothy Fontana, a provider established in Topsfield, Massachusetts with a medical specialization in Counselor, focusing in school . The healthcare provider is registered in the NPI registry with number 1861970212 assigned on July 2018. The practitioner's primary taxonomy code is 101YS0200X with license number 1171188 (MA). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1861970212
Provider Name
TIMOTHY FONTANA LICSW
Gender
Male
Entity Type
Individual
Location Address
248 BOSTON ST TOPSFIELD, MA 01983
Location Phone
(781) 941-0341
Mailing Address
10 FAIRMOUNT ST SALEM, MA 01970
Mailing Phone
(781) 941-0341
Is Sole Proprietor?
No
Enumeration Date
07-29-2018
Last Update Date
07-29-2018
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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 School

Taxonomy Code
101YS0200X
Type
Behavioral Health & Social Service Providers
License No.
1171188
License State
MA

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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 1861970212, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
2
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 9 → 18 → 9 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 8 + 7 + 0 + 2 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1861970212.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861970212, enumerated as an "individual" on July 29, 2018.

The provider is located at 248 BOSTON ST TOPSFIELD, MA 01983 and the phone number is (781) 941-0341.

Counselor with taxonomy code 101YS0200X and a focus in School.