DIANA L LESSLEY RADT
NPI 1689337933
Counselor - Addiction (Substance Use Disorder) in Napa, CA

NPI Status: Active since October 14, 2021

Contact Information

2751 NAPA VALLEY CORPORATE DR
NAPA, CA
ZIP 94558
Phone: (707) 704-8299

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

About DIANA LESSLEY

This page provides the complete NPI Profile along with additional information for Diana Lessley, a provider established in Napa, California with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1689337933 assigned on October 2021. The practitioner's primary taxonomy code is 101YA0400X with license number R1420550221 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1689337933
Provider Name
DIANA L LESSLEY RADT
Gender
Female
Entity Type
Individual
Location Address
2751 NAPA VALLEY CORPORATE DR NAPA, CA 94558
Location Phone
(707) 704-8299
Mailing Address
185 KIT CARSON WAY VALLEJO, CA 94589
Mailing Phone
(707) 704-8299
Is Sole Proprietor?
Yes
Enumeration Date
10-14-2021
Last Update Date
10-14-2021
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A Substance Abuse or Addiction Counselor like Diana Lessley 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
License No.
R1420550221
License State
CA

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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 1689337933, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
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 8 → 16 → 7 3 → 6 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 6 + 3 + 1 + 4 + 9 + 6 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1689337933.

Other Providers at the Same Location


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

Community/Behavioral Health
2751 NAPA VALLEY CORPORATE DR, BLDG 1 & 2
NAPA, CA 94558
Marriage & Family Therapist
2751 NAPA VALLEY CORPORATE DR, BUILDING 1
NAPA, CA 94558
Community/Behavioral Health
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
NAPA, CA 94558
Public Health or Welfare
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
NAPA, CA 94558
Case Management
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
NAPA, CA 94558
Community/Behavioral Health
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
NAPA, CA 94558
Community/Behavioral Health
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
NAPA, CA 94558
Registered Nurse
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Case Manager/Care Coordinator
2751 NAPA VALLEY CORPORATE DR, BUILDING A
NAPA, CA 94558
Community/Behavioral Health
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Social Worker (Clinical)
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Licensed Vocational Nurse
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Case Manager/Care Coordinator
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Psychiatry & Neurology (Psychiatry)
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Registered Nurse (Community Health)
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Counselor (Mental Health)
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Marriage & Family Therapist
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Counselor (Mental Health)
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558
Community/Behavioral Health
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
NAPA, CA 94558
Marriage & Family Therapist
2751 NAPA VALLEY CORPORATE DR
NAPA, CA 94558

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689337933, enumerated as an "individual" on October 14, 2021.

The provider is located at 2751 NAPA VALLEY CORPORATE DR NAPA, CA 94558 and the phone number is (707) 704-8299.

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