MARILYN ZWASS
NPI 1831566934
Preventive Medicine - Occupational Medicine in Los Angeles, CA

NPI Status: Active since August 25, 2015

Contact Information

150 N POINSETTIA PL
LOS ANGELES, CA
ZIP 90036
Phone: (818) 784-1354

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  • Individual
  • Female
  • Preventive Medicine
  • Occupational Medicine

About MARILYN ZWASS

This page provides the complete NPI Profile along with additional information for Marilyn Zwass, a provider established in Los Angeles, California with a medical specialization in Preventive Medicine, focusing in occupational medicine . The healthcare provider is registered in the NPI registry with number 1831566934 assigned on August 2015. The practitioner's primary taxonomy code is 2083X0100X with license number A62733 (CA). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1831566934
Provider Name
MARILYN ZWASS
Gender
Female
Entity Type
Individual
Location Address
150 N POINSETTIA PL LOS ANGELES, CA 90036
Location Phone
(818) 784-1354
Mailing Address
150 N POINSETTIA PL LOS ANGELES, CA 90036
Is Sole Proprietor?
Yes
Enumeration Date
08-25-2015
Last Update Date
08-25-2015
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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

Preventive Medicine Occupational Medicine

Taxonomy Code
2083X0100X
Type
Allopathic & Osteopathic Physicians
License No.
A62733
License State
CA
Taxonomy Description
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.

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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 1831566934, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 5 → 10 → 1 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 0 + 6 + 1 + 2 + 9 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1831566934.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831566934, enumerated as an "individual" on August 25, 2015.

The provider is located at 150 N POINSETTIA PL LOS ANGELES, CA 90036 and the phone number is (818) 784-1354.

Preventive Medicine with taxonomy code 2083X0100X and a focus in Occupational Medicine.