MR. DAVID S JEFFRIES PSYCH TECH
NPI 1740344878
Licensed Psychiatric Technician in Napa, CA

NPI Status: Active since December 21, 2006

Contact Information

2261 ELM ST
NAPA, CA
ZIP 94559
Phone: (707) 253-4711
Fax: (707) 251-1070

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  • Individual
  • Male
  • Licensed Psychiatric Technician

About DAVID JEFFRIES

This page provides the complete NPI Profile along with additional information for David Jeffries, a provider established in Napa, California with a medical specialization in Licensed Psychiatric Technician. The healthcare provider is registered in the NPI registry with number 1740344878 assigned on December 2006. The practitioner's primary taxonomy code is 167G00000X with license number PT24194 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1740344878
Provider Name
MR. DAVID S JEFFRIES PSYCH TECH
Gender
Male
Entity Type
Individual
Location Address
2261 ELM ST NAPA, CA 94559
Location Phone
(707) 253-4711
Location Fax
(707) 251-1070
Mailing Address
2261 ELM ST NAPA, CA 94559
Mailing Phone
(707) 253-4711
Mailing Fax
(707) 251-1070
Is Sole Proprietor?
No
Enumeration Date
12-21-2006
Last Update Date
07-08-2007
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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

Licensed Psychiatric Technician

Taxonomy Code
167G00000X
Type
Nursing Service Providers
License No.
PT24194
License State
CA
Taxonomy Description
An individual licensed by the state board as a Psychiatric Technician based upon completion of a prescribed course of theory and clinical practice, with two thirds of the clinical practice time focused on mental and developmental disorders. The psychiatric technician practices under the direct supervision of a physician, psychologist, registered nurse or other professional to provide care to patients with mental disorders and developmental disabilities.

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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 1740344878, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 6 + 4 + 8 + 8 + 1 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1740344878.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
2261 ELM ST, BUILDING D
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST, COUNTY OF NAPA HHSA, CFBH
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Counselor
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST, BLDG. H
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Psychologist (Clinical)
2261 ELM ST, BUILDING E
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST
NAPA, CA 94559
Social Worker
2261 ELM ST
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST, BUILDING C
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST, NAPA
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST, BUILDING C
NAPA, CA 94559
Social Worker (Clinical)
2261 ELM ST
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST
NAPA, CA 94559

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740344878, enumerated as an "individual" on December 21, 2006.

The provider is located at 2261 ELM ST NAPA, CA 94559 and the phone number is (707) 253-4711.

Licensed Psychiatric Technician with taxonomy code 167G00000X.