JOSHLYN Q FREDRICK CPT1, BSHA/LPC
NPI 1598299778
Contractor in Concord, CA

NPI Status: Active since April 14, 2017

Contact Information

985 ROSEHEDGE CT
CONCORD, CA
ZIP 94521
Phone: (925) 435-7008

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  • Individual
  • Female
  • Contractor

About JOSHLYN FREDRICK

This page provides the complete NPI Profile along with additional information for Joshlyn Fredrick, a provider established in Concord, California with a medical specialization in Contractor. The healthcare provider is registered in the NPI registry with number 1598299778 assigned on April 2017. The practitioner's primary taxonomy code is 171W00000X with license number CPT121521 (CA). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1598299778
Provider Name
JOSHLYN Q FREDRICK CPT1, BSHA/LPC
Gender
Female
Entity Type
Individual
Location Address
985 ROSEHEDGE CT CONCORD, CA 94521
Location Phone
(925) 435-7008
Mailing Address
985 ROSEHEDGE CT CONCORD, CA 94521
Mailing Phone
(925) 435-7008
Is Sole Proprietor?
Yes
Enumeration Date
04-14-2017
Last Update Date
04-14-2017
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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

Contractor

Taxonomy Code
171W00000X
Type
Other Service Providers
License No.
CPT121521
License State
CA
Taxonomy Description
For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1171WH0202XOther Service Providers

Contractor
Home Modifications

CPT21521 (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 1598299778, 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 82. The final step is to find the difference between that total and the next multiple of ten (90 - 82 = 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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
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 9 → 18 → 9 2 → 4 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 4 + 9 + 1 + 8 + 7 + 1 + 4 + 24 = 82

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

The next multiple of ten after 82 is 90. The difference is the calculated check digit.

90 - 82 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1598299778.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598299778, enumerated as an "individual" on April 14, 2017.

The provider is located at 985 ROSEHEDGE CT CONCORD, CA 94521 and the phone number is (925) 435-7008.

Contractor with taxonomy code 171W00000X.