MR. DENNIS KEITH HALSEY MAC
NPI 1730377193
Counselor - Addiction (Substance Use Disorder) in Biloxi, MS

NPI Status: Active since October 11, 2007

Contact Information

400 VETERANS AVE
ADMIN OFFICE/PSYCH SERVICE
BILOXI, MS
ZIP 39531
Phone: (228) 523-4720

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  • Individual
  • Male
  • Counselor
  • Addiction (Substance Use Disorder)

About DENNIS HALSEY

This page provides the complete NPI Profile along with additional information for Dennis Halsey, a provider established in Biloxi, Mississippi with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1730377193 assigned on October 2007. The practitioner's primary taxonomy code is 101YA0400X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1730377193
Provider Name
MR. DENNIS KEITH HALSEY MAC
Gender
Male
Entity Type
Individual
Location Address
400 VETERANS AVE ADMIN OFFICE/PSYCH SERVICE BILOXI, MS 39531
Location Phone
(228) 523-4720
Mailing Address
2700 FRATERNITY DR GAUTIER, MS 39553
Mailing Phone
(407) 435-3407
Is Sole Proprietor?
No
Enumeration Date
10-11-2007
Last Update Date
10-11-2007
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A Substance Abuse or Addiction Counselor like Dennis Halsey advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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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 Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers

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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 1730377193, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 3 → 6 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 6 + 7 + 1 + 4 + 1 + 1 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1730377193.

Other Providers at the Same Location


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

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Social Worker
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Physical Medicine & Rehabilitation
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Psychiatry & Neurology (Psychiatry)
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Pharmacist
400 VETERANS AVE
BILOXI, MS 39531
Dentist (General Practice)
400 VETERANS AVE, BLDG 1 160
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Social Worker (Clinical)
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Social Worker (Clinical)
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Occupational Therapist
400 VETERANS AVE, BUILDING 1, ROOM 1B 114
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Nurse Practitioner (Adult Health)
400 VETERANS AVE
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Social Worker (Clinical)
400 VETERANS AVE
BILOXI, MS 39531
Nurse Practitioner (Adult Health)
400 VETERANS AVE
BILOXI, MS 39531
Nurse Practitioner (Family)
400 VETERANS AVE
BILOXI, MS 39531
Nurse Practitioner (Adult Health)
400 VETERANS AVE
BILOXI, MS 39531
Radiology (Diagnostic Radiology)
400 VETERANS AVE, 2B126
BILOXI, MS 39531
Clinical Nurse Specialist (Psychiatric/Mental Health)
400 VETERANS AVE
BILOXI, MS 39531
Social Worker
400 VETERANS AVE
BILOXI, MS 39531
Social Worker (Clinical)
400 VETERANS AVE
BILOXI, MS 39531

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730377193, enumerated as an "individual" on October 11, 2007.

The provider is located at 400 VETERANS AVE ADMIN OFFICE/PSYCH SERVICE BILOXI, MS 39531 and the phone number is (228) 523-4720.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).