ARTHRITIS TREATMENT CENETER
NPI 1043367220
Internal Medicine - Rheumatology in Torrance, CA

Active since January 03, 2007
23441 MADISON ST, SUITE #340, TORRANCE, CA 90505(310) 373-0340(310) 373-7142 Get Directions Write a Review

NPPES record last updated: May 14, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Arthritis Treatment Ceneter NPPES

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

ARTHRITIS TREATMENT CENETER (NPI 1043367220) is a healthcare organization registered as a rheumatology in Torrance, California and active in the NPI registry since January 2007. The organization lists David Klashman, Physician, as its authorized official.

NPPES Registry Identity

NPI1043367220
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameENG KLASHMAN & MEHDI A PARTNERSHIP OF PROFESSIONAL CORPORATIONS
Location Address23441 MADISON ST, SUITE #340Torrance, CA 90505-4725
Mailing Address23441 Madison St, Suite #340Torrance, CA 90505-4725 · (310) 373-0340 · Fax (310) 373-7142
Fax(310) 373-7142
Organization SubpartNo
Authorized OfficialDavid KlashmanPhysician · (310) 373-0340
Enumeration DateJanuary 3, 2007
Last NPPES UpdateMay 14, 2013
✔ NPI 1043367220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Definition
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.
23441 MADISON ST, Torrance, CA 90505

Other Names 1

Doing Business AsArthritis Treatment Ceneter

Other Identifiers 1

Medicare ID-Type UnspecifiedW6231ACA

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 MULTIPLE 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)

Arthritis Treatment Ceneter is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Arthritis Treatment Ceneter, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Internal Medicine
NPI 1861408742
23441 MADISON ST SUITE #340
Torrance, CA 90505
(310) 373-0340
✔ PECOS✔ Accepts MedicareSame address
Rheumatology
NPI 1437322971
23441 MADISON ST SUITE #340
Torrance, CA 90505
(310) 373-0340
✔ PECOS✔ Accepts MedicareSame address
Rheumatology
NPI 1265451777
23441 MADISON ST SUITE #340
Torrance, CA 90505
(310) 373-0340
✔ PECOS✔ Accepts MedicareSame address

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

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 Eng Klashman & Mehdi A Partnership Of Professional Corporations's NPI number?

The NPI number for Eng Klashman & Mehdi A Partnership Of Professional Corporations is 1043367220. It was assigned to this organization in the NPPES registry on January 3, 2007. The provider is doing business as Arthritis Treatment Ceneter.

Where is Eng Klashman & Mehdi A Partnership Of Professional Corporations located?

Eng Klashman & Mehdi A Partnership Of Professional Corporations is located at 23441 Madison St Suite #340, Torrance, CA 90505. The listed phone number is (310) 373-0340.

What is Eng Klashman & Mehdi A Partnership Of Professional Corporations's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Eng Klashman & Mehdi A Partnership Of Professional Corporations enrolled in Medicare?

Yes. Eng Klashman & Mehdi A Partnership Of Professional Corporations is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eng Klashman & Mehdi A Partnership Of Professional Corporations?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Eng Klashman & Mehdi A Partnership Of Professional Corporations, in Internal Medicine and Rheumatology. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Eng Klashman & Mehdi A Partnership Of Professional Corporations was last updated on May 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.