DR. JOSHUA LEWIS KIRZ PH.D.
NPI 1508913781
Psychologist - Health Service in Palo Alto, CA

NPI Status: Active since January 03, 2007

Contact Information

701 WELCH RD
STE 211
PALO ALTO, CA
ZIP 94304
Phone: (650) 498-7767

Get Directions Write a Review

  • Individual
  • Male
  • Psychologist
  • Health Service

About JOSHUA KIRZ

This page provides the complete NPI Profile along with additional information for Joshua Kirz, a provider established in Palo Alto, California with a medical specialization in Psychologist, focusing in health service . The healthcare provider is registered in the NPI registry with number 1508913781 assigned on January 2007. The practitioner's primary taxonomy code is 103TH0100X with license number 15689 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1508913781
Provider Name
DR. JOSHUA LEWIS KIRZ PH.D.
Gender
Male
Entity Type
Individual
Location Address
701 WELCH RD STE 211 PALO ALTO, CA 94304
Location Phone
(650) 498-7767
Mailing Address
701 WELCH RD STE 211 PALO ALTO, CA 94304
Mailing Phone
(650) 498-7767
Is Sole Proprietor?
Yes
Enumeration Date
01-03-2007
Last Update Date
07-08-2007
Code Navigator

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

Psychologist Health Service

Taxonomy Code
103TH0100X
Type
Behavioral Health & Social Service Providers
License No.
15689
License State
CA
Taxonomy Description
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Reviews for DR. JOSHUA LEWIS KIRZ PH.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1508913781, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 0 → 0 9 → 18 → 9 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 8 + 1 + 6 + 7 + 1 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1508913781.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Anesthesiology
701 WELCH RD, SUITE 216
PALO ALTO, CA 94304
Psychologist
701 WELCH RD, SUITE 209
PALO ALTO, CA 94304
Social Worker (Clinical)
701 WELCH RD, STE. #320
PALO ALTO, CA 94304
Emergency Medicine
701 WELCH RD, SUITE C
PALO ALTO, CA 94304
Emergency Medicine
701 WELCH RD
PALO ALTO, CA 94304
Internal Medicine (Critical Care Medicine)
701 WELCH RD, BLDG C MC 5777
MOUNTAIN VIEW, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508913781, enumerated as an "individual" on January 03, 2007.

The provider is located at 701 WELCH RD STE 211 PALO ALTO, CA 94304 and the phone number is (650) 498-7767.

Psychologist with taxonomy code 103TH0100X and a focus in Health Service.