MADISON NATARAJAN PHD
NPI 1508660002
Psychologist - Counseling in Cambridge, MA

NPI Status: Active since April 03, 2025

Contact Information

277 HARVARD ST APT 4
CAMBRIDGE, MA
ZIP 02139
Phone: (615) 580-9856

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  • Individual
  • Psychologist
  • Counseling

About MADISON NATARAJAN

This page provides the complete NPI Profile along with additional information for Madison Natarajan, a provider established in Cambridge, Massachusetts operating as a Psychologist, focusing in counseling . The healthcare provider is registered in the NPI registry with number 1508660002 assigned on April 2025. The practitioner's primary taxonomy code is 103TC1900X. The provider is registered as an individual and their NPI record was last updated one year ago.

NPI
1508660002
Provider Name
MADISON NATARAJAN PHD
Gender
Entity Type
Individual
Location Address
277 HARVARD ST APT 4 CAMBRIDGE, MA 02139
Location Phone
(615) 580-9856
Mailing Address
277 HARVARD ST APT 4 CAMBRIDGE, MA 02139
Mailing Phone
(615) 580-9856
Is Sole Proprietor?
Yes
Enumeration Date
04-03-2025
Last Update Date
04-03-2025
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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

Psychologist Counseling

Taxonomy Code
103TC1900X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.

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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 1508660002, 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
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 0 → 0 6 → 12 → 3 0 → 0 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 2 + 6 + 0 + 0 + 0 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1508660002.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508660002, enumerated as an "individual" on April 03, 2025.

The provider is located at 277 HARVARD ST APT 4 CAMBRIDGE, MA 02139 and the phone number is (615) 580-9856.

Psychologist with taxonomy code 103TC1900X and a focus in Counseling.