RACHEL MECALIANOS OTR/L
NPI 1639965841
Occupational Therapist - Neurorehabilitation in Selden, NY

NPI Status: Active since April 15, 2025

Contact Information

45 S EVERGREEN DR
SELDEN, NY
ZIP 11784
Phone: (934) 246-0104
Fax: (934) 246-0104

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  • Individual
  • Female
  • Occupational Therapist
  • Neurorehabilitation

About RACHEL MECALIANOS

This page provides the complete NPI Profile along with additional information for Rachel Mecalianos, a provider established in Selden, New York with a medical specialization in Occupational Therapist, focusing in neurorehabilitation . The healthcare provider is registered in the NPI registry with number 1639965841 assigned on April 2025. The practitioner's primary taxonomy code is 225XN1300X with license number 029062-01 (NY). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1639965841
Provider Name
RACHEL MECALIANOS OTR/L
Gender
Female
Entity Type
Individual
Location Address
45 S EVERGREEN DR SELDEN, NY 11784
Location Phone
(934) 246-0104
Location Fax
(934) 246-0104
Mailing Address
45 S EVERGREEN DR SELDEN, NY 11784
Is Sole Proprietor?
Yes
Enumeration Date
04-15-2025
Last Update Date
04-15-2025
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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

Occupational Therapist Neurorehabilitation

Taxonomy Code
225XN1300X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
029062-01
License State
NY

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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 1639965841, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 8 + 6 + 1 + 0 + 8 + 8 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1639965841.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639965841, enumerated as an "individual" on April 15, 2025.

The provider is located at 45 S EVERGREEN DR SELDEN, NY 11784 and the phone number is (934) 246-0104.

Occupational Therapist with taxonomy code 225XN1300X and a focus in Neurorehabilitation.