DAVID JOHN SHAFFER LMFT
NPI 1164802831
Counselor - Mental Health in Thousand Oaks, CA

NPI Status: Active since June 08, 2015

Contact Information

100 E THOUSAND OAKS BLVD
THOUSAND OAKS, CA
ZIP 91360
Phone: (805) 341-3144

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  • Individual
  • Male
  • Counselor
  • Mental Health

About DAVID SHAFFER

This page provides the complete NPI Profile along with additional information for David Shaffer, a provider established in Thousand Oaks, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1164802831 assigned on June 2015. The practitioner's primary taxonomy code is 101YM0800X with license number 41933 (CA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1164802831
Provider Name
DAVID JOHN SHAFFER LMFT
Gender
Male
Entity Type
Individual
Location Address
100 E THOUSAND OAKS BLVD THOUSAND OAKS, CA 91360
Location Phone
(805) 341-3144
Mailing Address
3285 HIDDEN CREEK AVE THOUSAND OAKS, CA 91360
Mailing Phone
(805) 341-3144
Is Sole Proprietor?
Yes
Enumeration Date
06-08-2015
Last Update Date
06-08-2015
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A mental health counselor like David Shaffer 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.
41933
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 1164802831, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 8 → 16 → 7 2 → 4 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 1 + 6 + 0 + 4 + 8 + 6 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1164802831.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, STE 258
THOUSAND OAKS, CA 91360
Psychologist (Clinical)
100 E THOUSAND OAKS BLVD, SUITE 236
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, SUITE #258
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, #258
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, #228
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, 236
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, #228
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, #228
THOUSAND OAKS, CA 91360
Psychologist (Clinical)
100 E THOUSAND OAKS BLVD, SUITE 160
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, SUITE 228
THOUSAND OAKS, CA 91360
Social Worker (Clinical)
100 E THOUSAND OAKS BLVD, SUITE 236
THOUSAND OAKS, CA 91360
Psychologist (Clinical Child & Adolescent)
100 E THOUSAND OAKS BLVD, SUITE 217
THOUSAND OAKS, CA 91360
Chiropractor
100 E THOUSAND OAKS BLVD, SUITE 147
THOUSAND OAKS, CA 91360
Psychologist (Clinical)
100 E THOUSAND OAKS BLVD, STE 140
THOUSAND OAKS, CA 91360
Clinic/Center (Adult Mental Health)
100 E THOUSAND OAKS BLVD, SUITE 140
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD
THOUSAND OAKS, CA 91360
Family Medicine
100 E THOUSAND OAKS BLVD, STE 176
THOUSAND OAKS, CA 91360

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164802831, enumerated as an "individual" on June 08, 2015.

The provider is located at 100 E THOUSAND OAKS BLVD THOUSAND OAKS, CA 91360 and the phone number is (805) 341-3144.

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