JOSHUA RYAN BARNHART B.S, M.S
NPI 1639794076
Genetic Counselor, MS in Walnut Creek, CA

NPI Status: Active since June 11, 2020

Contact Information

133 LA CASA VIA STE 140
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 941-4092
Fax: (925) 952-2758

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  • Individual
  • Male
  • Genetic Counselor, MS

About JOSHUA BARNHART

This page provides the complete NPI Profile along with additional information for Joshua Barnhart, a provider established in Walnut Creek, California with a medical specialization in Genetic Counselor, Ms. The healthcare provider is registered in the NPI registry with number 1639794076 assigned on June 2020. The practitioner's primary taxonomy code is 170300000X with license number GC001243 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1639794076
Provider Name
JOSHUA RYAN BARNHART B.S, M.S
Gender
Male
Entity Type
Individual
Location Address
133 LA CASA VIA STE 140 WALNUT CREEK, CA 94598
Location Phone
(925) 941-4092
Location Fax
(925) 952-2758
Mailing Address
133 LA CASA VIA STE 140 WALNUT CREEK, CA 94598
Mailing Phone
(925) 941-4092
Mailing Fax
(925) 952-2758
Is Sole Proprietor?
No
Enumeration Date
06-11-2020
Last Update Date
06-11-2020
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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

Genetic Counselor, MS

Taxonomy Code
170300000X
Type
Other Service Providers
License No.
GC001243
License State
CA
Taxonomy Description
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.

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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 1639794076, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 7 → 14 → 5 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 + 6 + 6 + 9 + 1 + 4 + 9 + 8 + 0 + 1 + 4 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1639794076.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Genetic Counselor, MS
133 LA CASA VIA STE 140
WALNUT CREEK, CA 94598
Nurse Practitioner (Family)
133 LA CASA VIA STE 140
WALNUT CREEK, CA 94598
Genetic Counselor, MS
133 LA CASA VIA STE 140
WALNUT CREEK, CA 94598
Nurse Practitioner
133 LA CASA VIA STE 140
WALNUT CREEK, CA 94598

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639794076, enumerated as an "individual" on June 11, 2020.

The provider is located at 133 LA CASA VIA STE 140 WALNUT CREEK, CA 94598 and the phone number is (925) 941-4092.

Genetic Counselor, MS with taxonomy code 170300000X.