ALYSSA MARIE JOHNSON
NPI 1548814197
Genetic Counselor, MS in Modesto, CA

NPI Status: Active since July 31, 2019

Contact Information

4601 DALE RD
MODESTO, CA
ZIP 95356
Phone: (559) 324-5330

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  • Individual
  • Female
  • Genetic Counselor, MS

About ALYSSA JOHNSON

This page provides the complete NPI Profile along with additional information for Alyssa Johnson, a provider established in Modesto, California with a medical specialization in Genetic Counselor, Ms. The healthcare provider is registered in the NPI registry with number 1548814197 assigned on July 2019. The practitioner's primary taxonomy code is 170300000X with license number GC001156 (CA). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1548814197
Provider Name
ALYSSA MARIE JOHNSON
Gender
Female
Entity Type
Individual
Location Address
4601 DALE RD MODESTO, CA 95356
Location Phone
(559) 324-5330
Mailing Address
7200 VERITAS RD MANTECA, CA 95337
Mailing Phone
(209) 609-6945
Is Sole Proprietor?
No
Enumeration Date
07-31-2019
Last Update Date
01-03-2022
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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.
GC001156
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 1548814197, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
7
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 8 → 16 → 7 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 6 + 1 + 8 + 1 + 1 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1548814197.

Other Providers at the Same Location


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

Urology
4601 DALE RD, MODESTO
MODESTO, CA 95356
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Hospitalist
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Family Medicine
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Family Medicine
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Pediatrics
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Pediatrics
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Radiology (Diagnostic Radiology)
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Pediatrics
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Psychiatry & Neurology (Psychiatry)
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Urology
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Podiatrist
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Preventive Medicine (Occupational Medicine)
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Family Medicine
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Internal Medicine (Cardiovascular Disease)
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Pharmacist
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Psychiatry & Neurology (Child & Adolescent Psychiatry)
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Physical Therapy Assistant
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Pain Medicine (Pain Medicine)
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Ophthalmology
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548814197, enumerated as an "individual" on July 31, 2019.

The provider is located at 4601 DALE RD MODESTO, CA 95356 and the phone number is (559) 324-5330.

Genetic Counselor, MS with taxonomy code 170300000X.