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

Active since July 10, 2006CLIA 05D0694748 · Waiver
8635 W 3RD ST, SUITE 1185-W, LOS ANGELES, CA 90048(310) 855-1960(310) 855-0156 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Comprehensive Care Id Medical Group NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COMPREHENSIVE CARE ID MEDICAL GROUP (NPI 1811920846) is a healthcare organization registered as an infectious disease in Los Angeles, California and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through March 14, 2028 and lists Irving Posalski, Director, as its authorized official.

NPPES Registry Identity

NPI1811920846
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameCOMPREHENSIVE CARE ID MEDICAL GROUP
Location Address8635 W 3RD ST, SUITE 1185-WLos Angeles, CA 90048-6101
Mailing Address8635 W 3rd St, Suite 1185-wLos Angeles, CA 90048-6101 · (310) 855-1960 · Fax (310) 855-0156
Phone(310) 855-1960
Fax(310) 855-0156
Organization SubpartNo
Authorized OfficialIrving PosalskiDirector · (310) 855-1960
Enumeration DateJuly 10, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1811920846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
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.
8635 W 3RD ST, Los Angeles, CA 90048
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Comprehensive Care Id Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Comprehensive Care Id Medical Group, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Randy Feldman, M.D.
Infectious Disease
NPI 1538192588
8635 W 3RD ST SUITE 1185-W
Los Angeles, CA 90048
(310) 855-1960
✔ PECOS✔ Accepts MedicareSame address
Irving Posalski, M.D.
Infectious Disease
NPI 1336172378
8635 W 3RD ST SUITE 1185-W
Los Angeles, CA 90048
(310) 855-1960
✔ PECOS✔ Accepts MedicareSame address
Jeffrey Rapp, M.D.
Infectious Disease
NPI 1619995073
8635 W 3RD ST SUITE 1185-W
Los Angeles, CA 90048
(310) 855-1960
✔ PECOSSame address
Jason Kirk, M.D.
Infectious Disease
NPI 1497951065
8700 BEVERLY BLVD
West Hollywood, CA 90048
(310) 423-5582
✔ PECOS✔ Accepts Medicare0.2 mi
Navid Pour-Ghasemi, M.D.
Infectious Disease
NPI 1053798173
1200 N STATE ST CT- A7D,
Los Angeles, CA 90033
(323) 226-7556
✔ PECOS✔ Accepts Medicare9.9 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0694748

Comprehensive Care Id Medical Group · Los Angeles, CA
Active · expires Mar 14, 2028
CLIA Number05D0694748
Laboratory TypePhysician Office
Certificate Effective DateMarch 15, 2026
Certificate Expiration DateMarch 14, 2028
Laboratory DirectorIrving Posalski MD
Laboratory Phone(310) 855-1960
Laboratory LocationComprehensive Care Id Medical Group8635 W 3rd Street, Suite 1185 West Tower, Los Angeles, CA 90048
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Comprehensive Care Id Medical Group's NPI number?

The NPI number for Comprehensive Care Id Medical Group is 1811920846. It was assigned to this organization in the NPPES registry on July 10, 2006.

Where is Comprehensive Care Id Medical Group located?

Comprehensive Care Id Medical Group is located at 8635 W 3rd St Suite 1185-W, Los Angeles, CA 90048. The listed phone number is (310) 855-1960.

What is Comprehensive Care Id Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Comprehensive Care Id Medical Group enrolled in Medicare?

Yes. Comprehensive Care Id Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Comprehensive Care Id Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Infectious Disease, reassign their Medicare billing to Comprehensive Care Id Medical Group. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Comprehensive Care Id Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0694748) is associated with this NPI, valid through March 14, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Comprehensive Care Id Medical Group was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.