ELLIOTT DAY MS
NPI 1558094714
Counselor - Mental Health in Portland, ME

NPI Status: Active since July 06, 2022

Contact Information

25 MIDDLE ST
PORTLAND, ME
ZIP 04101
Phone: (207) 200-8167

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  • Individual
  • Male
  • Counselor
  • Mental Health

About ELLIOTT DAY

This page provides the complete NPI Profile along with additional information for Elliott Day, a provider established in Portland, Maine with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1558094714 assigned on July 2022. The practitioner's primary taxonomy code is 101YM0800X with license number XL7126 (ME). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1558094714
Provider Name
ELLIOTT DAY MS
Gender
Male
Entity Type
Individual
Location Address
25 MIDDLE ST PORTLAND, ME 04101
Location Phone
(207) 200-8167
Mailing Address
24 CARLYLE RD PORTLAND, ME 04103
Mailing Phone
(301) 452-2645
Is Sole Proprietor?
No
Enumeration Date
07-06-2022
Last Update Date
05-07-2025
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A mental health counselor like Elliott Day 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.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
XL7126
License State
ME

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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 1558094714, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 0 + 9 + 8 + 7 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1558094714.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker (Clinical)
25 MIDDLE ST, 3RD FLOOR
PORTLAND, ME 04101
Psychologist (Clinical Child & Adolescent)
25 MIDDLE ST
PORTLAND, ME 04101
Counselor (Mental Health)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Counselor (Professional)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Psychiatry & Neurology (Psychiatry)
25 MIDDLE ST
PORTLAND, ME 04101
Counselor (Addiction (Substance Use Disorder))
25 MIDDLE ST
PORTLAND, ME 04101
Counselor
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Counselor (Professional)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST, 5
PORTLAND, ME 04101
Psychiatry & Neurology (Psychiatry)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Social Worker (Clinical)
25 MIDDLE ST
PORTLAND, ME 04101
Clinic/Center (Mental Health (Including Community Mental Health Center))
25 MIDDLE ST
PORTLAND, ME 04101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558094714, enumerated as an "individual" on July 06, 2022.

The provider is located at 25 MIDDLE ST PORTLAND, ME 04101 and the phone number is (207) 200-8167.

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