JOHNSTON LIM CO, MD A MEDICAL CORPORATION
NPI 1285493155
Preventive Medicine - Occupational Medicine in Tracy, CA

NPI Status: Active since March 14, 2024

Contact Information

2156 WEST GRANT LINE ROAD
SUITE 200
TRACY, CA
ZIP 95377
Phone: (209) 207-9969

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  • Organization
  • Preventive Medicine
  • Occupational Medicine

About JOHNSTON LIM CO, MD A MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for Johnston Lim Co, Md A Medical Corporation, a provider established in Tracy, California operating as a Preventive Medicine, focusing in occupational medicine . The healthcare provider is registered in the NPI registry with number 1285493155 assigned on March 2024. The practitioner's primary taxonomy code is 2083X0100X. The provider is registered as an organization and their NPI record was last updated 2 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Johnston Co M.d. (President)

NPI
1285493155
Provider Name
JOHNSTON LIM CO, MD A MEDICAL CORPORATION
Entity Type
Organization
Location Address
2156 WEST GRANT LINE ROAD SUITE 200 TRACY, CA 95377
Location Phone
(209) 207-9969
Mailing Address
2156 WEST GRANT LINE ROAD SUITE 200 TRACY, CA 95377
Mailing Phone
(209) 207-9969
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-14-2024
Last Update Date
03-14-2024
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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
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. JOHNSTON CO M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(209) 207-9969

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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 1285493155, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
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 8 → 16 → 7 4 → 8 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 8 + 9 + 6 + 1 + 1 + 0 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1285493155.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285493155, enumerated as an "organization" on March 14, 2024.

The provider is located at 2156 WEST GRANT LINE ROAD SUITE 200 TRACY, CA 95377 and the phone number is (209) 207-9969.

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