DR. JOYCE CEREJO DAY PH.D; LPC
NPI 1003148099
Counselor - Professional in Southington, CT

NPI Status: Active since February 02, 2010

Contact Information

51 NORTH MAIN ST.
SUITE 3N
SOUTHINGTON, CT
ZIP 06489
Phone: (860) 288-5400
Fax: (860) 288-5411

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  • Individual
  • Female
  • Counselor
  • Professional

About JOYCE DAY

This page provides the complete NPI Profile along with additional information for Joyce Day, a provider established in Southington, Connecticut with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1003148099 assigned on February 2010. The practitioner's primary taxonomy code is 101YP2500X with license number 001642 (CT). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI
1003148099
Provider Name
DR. JOYCE CEREJO DAY PH.D; LPC
Gender
Female
Entity Type
Individual
Location Address
51 NORTH MAIN ST. SUITE 3N SOUTHINGTON, CT 06489
Location Phone
(860) 288-5400
Location Fax
(860) 288-5411
Mailing Address
51 NORTH MAIN ST. SOUTHINGTON, CT 06489
Mailing Phone
(860) 288-5400
Mailing Fax
(860) 288-5411
Is Sole Proprietor?
No
Enumeration Date
02-02-2010
Last Update Date
03-09-2012
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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.
001642
License State
CT

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)
1103TS0200XBehavioral Health & Social Service Providers

Psychologist
School

001642 (CT)

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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 1003148099, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 0 → 0 1 → 2 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 2 + 4 + 1 + 6 + 0 + 1 + 8 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1003148099.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003148099, enumerated as an "individual" on February 02, 2010.

The provider is located at 51 NORTH MAIN ST. SUITE 3N SOUTHINGTON, CT 06489 and the phone number is (860) 288-5400.

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