WILLIAM CHIN M.D.
NPI 1790995769
Internal Medicine - Rheumatology in Torrance, CA

NPI Status: Active since May 22, 2007

Contact Information

19191 S VERMONT AVE
S-200
TORRANCE, CA
ZIP 90502
Phone: (310) 354-4209
Fax: (310) 538-0671

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  • Individual
  • Male
  • Internal Medicine
  • Rheumatology

About WILLIAM CHIN

This page provides the complete NPI Profile along with additional information for William Chin, an internist established in Torrance, California with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1790995769 assigned on May 2007. The practitioner's primary taxonomy code is 207RR0500X with license number G18190 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1790995769
Provider Name
WILLIAM CHIN M.D.
Gender
Male
Entity Type
Individual
Location Address
19191 S VERMONT AVE S-200 TORRANCE, CA 90502
Location Phone
(310) 354-4209
Location Fax
(310) 538-0671
Mailing Address
19191 S VERMONT AVE S-200 TORRANCE, CA 90502
Mailing Phone
(310) 354-4209
Mailing Fax
(310) 538-0671
Is Sole Proprietor?
No
Enumeration Date
05-22-2007
Last Update Date
07-08-2007
Code Navigator

An internist like William Chin is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
G18190
License State
CA
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

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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 1790995769, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 9 → 18 → 9 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 8 + 9 + 1 + 0 + 7 + 1 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1790995769.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Internal Medicine
19191 S VERMONT AVE
TORRANCE, CA 90502
Internal Medicine (Medical Oncology)
19191 S VERMONT AVE, 200
TORRANCE, CA 90502
Emergency Medicine
19191 S VERMONT AVE
TORRANCE, CA 90502
Physical Therapist (Geriatrics)
19191 S VERMONT AVE, SUITE 410
TORRANCE, CA 90502
Home Health
19191 S VERMONT AVE, SUITE 410
TORRANCE, CA 90502
Physical Therapist
19191 S VERMONT AVE
TORRANCE, CA 90502
Occupational Therapist
19191 S VERMONT AVE, SUITE 410
TORRANCE, CA 90502
Physical Therapist (Geriatrics)
19191 S VERMONT AVE, SUITE 410A
TORRANCE, CA 90502
Internal Medicine
19191 S VERMONT AVE, SUITE 300
TORRANCE, CA 90502
Nurse Practitioner
19191 S VERMONT AVE, STE 200
TORRANCE, CA 90502
Nurse Practitioner (Adult Health)
19191 S VERMONT AVE
TORRANCE, CA 90502
Nurse Practitioner (Family)
19191 S VERMONT AVE, SUITE 200
TORRANCE, CA 90502
General Practice
19191 S VERMONT AVE, SUITE 200
TORRANCE, CA 90502
Internal Medicine
19191 S VERMONT AVE, SUITE 200
TORRANCE, CA 90502
Hospitalist
19191 S VERMONT AVE
TORRANCE, CA 90502
Home Health
19191 S VERMONT AVE, SUITE 160
TORRANCE, CA 90502

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790995769, enumerated as an "individual" on May 22, 2007.

The provider is located at 19191 S VERMONT AVE S-200 TORRANCE, CA 90502 and the phone number is (310) 354-4209.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.