DR. MICHAEL ROBERT LONERGAN SR. LMHC
NPI 1366459117
Counselor - Mental Health in Smithtown, NY

NPI Status: Active since August 02, 2006

Contact Information

1 W MAIN ST
SMITHTOWN, NY
ZIP 11787
Phone: (631) 979-9266

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  • Individual
  • Male
  • Counselor
  • Mental Health

About MICHAEL LONERGAN

This page provides the complete NPI Profile along with additional information for Michael Lonergan, a provider established in Smithtown, New York with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1366459117 assigned on August 2006. The practitioner's primary taxonomy code is 101YM0800X with license number 18000094 (NY). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1366459117
Provider Name
DR. MICHAEL ROBERT LONERGAN SR. LMHC
Gender
Male
Entity Type
Individual
Location Address
1 W MAIN ST SMITHTOWN, NY 11787
Location Phone
(631) 979-9266
Mailing Address
59 BAY ST SOUTHAMPTON, NY 11968
Mailing Phone
(631) 283-0854
Is Sole Proprietor?
Yes
Enumeration Date
08-02-2006
Last Update Date
07-08-2007
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A mental health counselor like Michael Lonergan 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.
18000094
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 1366459117, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
7
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 6 → 12 → 3 4 → 8 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 8 + 5 + 1 + 8 + 1 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1366459117.

Other Providers at the Same Location


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

Social Worker (Clinical)
1 W MAIN ST, SUITE 203
SMITHTOWN, NY 11787

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366459117, enumerated as an "individual" on August 02, 2006.

The provider is located at 1 W MAIN ST SMITHTOWN, NY 11787 and the phone number is (631) 979-9266.

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