ALEXANDRA RENZI LMHC
NPI 1255109070
Counselor - Mental Health in Boston, MA

NPI Status: Active since December 12, 2023

Contact Information

151 TREMONT ST APT 14M
BOSTON, MA
ZIP 02111
Phone: (978) 844-2305

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  • Individual
  • Female
  • Counselor
  • Mental Health

About ALEXANDRA RENZI

This page provides the complete NPI Profile along with additional information for Alexandra Renzi, a provider established in Boston, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1255109070 assigned on December 2023. The practitioner's primary taxonomy code is 101YM0800X with license number 10001398 (MA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1255109070
Provider Name
ALEXANDRA RENZI LMHC
Gender
Female
Entity Type
Individual
Location Address
151 TREMONT ST APT 14M BOSTON, MA 02111
Location Phone
(978) 844-2305
Mailing Address
555 BANYAN TREE LN APT 206 DELRAY BEACH, FL 33483
Is Sole Proprietor?
No
Enumeration Date
12-12-2023
Last Update Date
12-12-2023
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A mental health counselor like Alexandra Renzi provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
10001398
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 1255109070, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
0
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 5 → 10 → 1 1 → 2 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 2 + 0 + 1 + 8 + 0 + 1 + 4 + 24 = 50

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

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

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1255109070.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Mental Health)
151 TREMONT ST APT 14M
BOSTON, MA 02111

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255109070, enumerated as an "individual" on December 12, 2023.

The provider is located at 151 TREMONT ST APT 14M BOSTON, MA 02111 and the phone number is (978) 844-2305.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.