COMPREHENSIVE CARE ID MEDICAL GROUP
NPI 1811920846
Internal Medicine - Infectious Disease in Los Angeles, CA

NPI Status: Active since July 10, 2006

Contact Information

8635 W 3RD ST
SUITE 1185-W
LOS ANGELES, CA
ZIP 90048
Phone: (310) 855-1960
Fax: (310) 855-0156

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  • Organization
  • Internal Medicine
  • Infectious Disease
  • CLIA Number: 05D0694748
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-14-2028

About COMPREHENSIVE CARE ID MEDICAL GROUP

This page provides the complete NPI Profile along with additional information for Comprehensive Care Id Medical Group, an internist established in Los Angeles, California operating as a Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1811920846 assigned on July 2006. The practitioner's primary taxonomy code is 207RI0200X. The provider is registered as an organization and their NPI record was last updated 6 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 Irving Posalski M.d. (Director)

NPI
1811920846
Provider Name
COMPREHENSIVE CARE ID MEDICAL GROUP
Entity Type
Organization
Location Address
8635 W 3RD ST SUITE 1185-W LOS ANGELES, CA 90048
Location Phone
(310) 855-1960
Location Fax
(310) 855-0156
Mailing Address
8635 W 3RD ST SUITE 1185-W LOS ANGELES, CA 90048
Mailing Phone
(310) 855-1960
Mailing Fax
(310) 855-0156
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-10-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Comprehensive Care Id Medical Group 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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

IRVING POSALSKI M.D.

Authorized Official Title
DIRECTOR
Authorized Official Phone
(310) 855-1960

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
05D0694748
Facility Type
Physician Office
Certificate Effective Date
March 15, 2026
Certificate Expiration Date
March 14, 2028
Laboratory Director
IRVING POSALSKI MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Comprehensive Care Id Medical Group 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 1811920846, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 1 + 8 + 2 + 0 + 8 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1811920846.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, STE# 1050 W
LOS ANGELES, CA 90048
Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, STE# 1050W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST, STE# 795W
LOS ANGELES, CA 90048
Internal Medicine (Nephrology)
8635 W 3RD ST, STE# 865W
LOS ANGELES, CA 90048
Obstetrics & Gynecology (Gynecology)
8635 W 3RD ST, SUITE 680 WEST
LOS ANGELES, CA 90048
Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, SUITE 355W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Internal Medicine (Nephrology)
8635 W 3RD ST, STE# 695W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1W
LOS ANGELES, CA 90048
Internal Medicine (Nephrology)
8635 W 3RD ST, STE#485W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST
LOS ANGELES, CA 90048
Internal Medicine (Gastroenterology)
8635 W 3RD ST, SUITE 960-W
LOS ANGELES, CA 90048
Internal Medicine (Cardiovascular Disease)
8635 W 3RD ST, SUITE 1050W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 460W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, 765W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Internal Medicine
8635 W 3RD ST, SUITE 790W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Occupational Therapist
8635 W 3RD ST, SUITE # 465W
LOS ANGELES, CA 90048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811920846, enumerated as an "organization" on July 10, 2006.

The provider is located at 8635 W 3RD ST SUITE 1185-W LOS ANGELES, CA 90048 and the phone number is (310) 855-1960.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.