WESTWOOD MEDICAL GROUP,INC.
NPI 1124104427
Internal Medicine - Rheumatology in Los Angeles, CA

NPI Status: Active since October 29, 2006

Contact Information

505 S VIRGIL AVE
SUITE 208
LOS ANGELES, CA
ZIP 90020
Phone: (213) 739-0007
Fax: (213) 739-0011

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  • Organization
  • Internal Medicine
  • Rheumatology
  • CLIA Number: 05D1067350
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 04-16-2027

About WESTWOOD MEDICAL GROUP,INC.

This page provides the complete NPI Profile along with additional information for Westwood Medical Group,inc., an internist established in Los Angeles, California operating as a Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1124104427 assigned on October 2006. The practitioner's primary taxonomy code is 207RR0500X with license number A78556 (CA). The provider is registered as an organization and their NPI record was last updated 12 years ago. Westwood Medical Group,inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Sonwoo Lee Md (Medical Director)

NPI
1124104427
Provider Name
WESTWOOD MEDICAL GROUP,INC.
Entity Type
Organization
Location Address
505 S VIRGIL AVE SUITE 208 LOS ANGELES, CA 90020
Location Phone
(213) 739-0007
Location Fax
(213) 739-0011
Mailing Address
505 S VIRGIL AVE SUITE 208 LOS ANGELES, CA 90020
Mailing Phone
(213) 739-0007
Mailing Fax
(213) 739-0011
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-29-2006
Last Update Date
05-20-2014
Code Navigator

An internist like Westwood Medical Group,inc. 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.
A78556
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.

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)
1207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

A78554 (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

SONWOO LEE MD

Authorized Official Title
MEDICAL DIRECTOR
Authorized Official Phone
(213) 739-0007

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D1067350
Facility Type
Physician Office
Certificate Effective Date
April 17, 2025
Certificate Expiration Date
April 16, 2027
Laboratory Director
SONWOO LEE MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Westwood Medical Group,inc. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1124104427, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 1 → 2 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 2 + 0 + 8 + 4 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1124104427.

Other Providers at the Same Location


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

Acupuncturist
505 S VIRGIL AVE, #140
LOS ANGELES, CA 90020
Internal Medicine (Gastroenterology)
505 S VIRGIL AVE, SUITE 102
LOS ANGELES, CA 90020
Internal Medicine (Gastroenterology)
505 S VIRGIL AVE, SUITE 102
LOS ANGELES, CA 90020
Clinic/Center (Endoscopy)
505 S VIRGIL AVE, SUITE 104
LOS ANGELES, CA 90020
Internal Medicine (Gastroenterology)
505 S VIRGIL AVE, SUITE 102
LOS ANGELES, CA 90020
Internal Medicine (Rheumatology)
505 S VIRGIL AVE, SUITE 208
LOS ANGELES, CA 90020
Internal Medicine (Gastroenterology)
505 S VIRGIL AVE, SUITE 208
LOS ANGELES, CA 90020
Clinic/Center (Endoscopy)
505 S VIRGIL AVE, SUITE 104
LOS ANGELES, CA 90020
Pharmacy (Community/Retail Pharmacy)
505 S VIRGIL AVE, 107
LOS ANGELES, CA 90020
Internal Medicine (Nephrology)
505 S VIRGIL AVE, STE. 301
LOS ANGELES, CA 90020
Clinic/Center (Urgent Care)
505 S VIRGIL AVE, SUITE 101
LOS ANGELES, CA 90020
Dentist (Periodontics)
505 S VIRGIL AVE, #102
LOS ANGELES, CA 90020
Orthopaedic Surgery
505 S VIRGIL AVE, #300
LOS ANGELES, CA 90020
Physical Therapist
505 S VIRGIL AVE, STE 203
LOS ANGELES, CA 90020
Internal Medicine
505 S VIRGIL AVE, STE 106
LOS ANGELES, CA 90020
Physical Therapy Assistant
505 S VIRGIL AVE
LOS ANGELES, CA 90020

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124104427, enumerated as an "organization" on October 29, 2006.

The provider is located at 505 S VIRGIL AVE SUITE 208 LOS ANGELES, CA 90020 and the phone number is (213) 739-0007.

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