NEW WORLD MULTISPECIALTY MEDICAL GROUP, INC.
NPI 1265656904
Internal Medicine - Infectious Disease in Los Angeles, CA

Active since April 12, 2007CLIA 05D1069160 · Waiver
1711 W TEMPLE ST STE 7643, LOS ANGELES, CA 90026(213) 388-2229 Get Directions Write a Review

NPPES record last updated: March 13, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About New World Multispecialty Medical Group, Inc. NPPES

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

NEW WORLD MULTISPECIALTY MEDICAL GROUP, INC. (NPI 1265656904) is a healthcare organization registered as an infectious disease in Los Angeles, California and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through May 29, 2027, maintains a secondary practice location in Los Angeles, and lists Peter H Sim, President, as its authorized official.

NPPES Registry Identity

NPI1265656904
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameNEW WORLD MULTISPECIALTY MEDICAL GROUP, INC.
Location Address1711 W TEMPLE ST STE 7643Los Angeles, CA 90026-5421
Mailing AddressPo Box 457San Dimas, CA 91773-0457 · (909) 971-9334 · Fax (909) 971-9654
Organization SubpartNo
Authorized OfficialPeter H SimPresident · (213) 388-2229
Enumeration DateApril 12, 2007
Last NPPES UpdateMarch 13, 2019
✔ NPI 1265656904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A67722
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.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License A67445 (CA)
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA18656 (CA)
1711 W TEMPLE ST STE 7643, Los Angeles, CA 90026

Secondary Practice Location 1

Location 12405 W 8th St Ste 105Los Angeles, CA 90057-5016 · Phone (213) 388-2229 · Fax (213) 388-1507

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

New World Multispecialty Medical Group, Inc. 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 New World Multispecialty Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Family Practice
NPI 1386689453
2405 W 8TH ST SUITE #105
Los Angeles, CA 90057
(213) 388-2229
✔ PECOS✔ Accepts Medicare1.3 mi
Infectious Disease
NPI 1659309672
1520 SAN PABLO ST SUITE 1000
Los Angeles, CA 90033
(323) 442-5100
✔ PECOS✔ Accepts Medicare3.5 mi
Nurse Practitioner
NPI 1831617349
4081 E OLYMPIC BLVD
Los Angeles, CA 90023
(323) 267-0477
✔ PECOS5.6 mi
Nurse Practitioner
NPI 1780765420
4955 VAN NUYS BLVD SUITE # 411
Sherman Oaks, CA 91403
(818) 784-1195
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1992123806
1567 REEF
West Covina, CA 91790
(909) 740-4386
✔ PECOS18 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 05D1069160

New World Multispecialty Med Group · Los Angeles, CA
Active · expires May 29, 2027
CLIA Number05D1069160
Laboratory TypePhysician Office
Certificate Effective DateMay 30, 2025
Certificate Expiration DateMay 29, 2027
Laboratory DirectorLoraine V. Diego
Laboratory Phone(213) 388-2229
Laboratory LocationNew World Multispecialty Med Group1711 W Temple St Ste 1070, Los Angeles, CA 90026
CLIA data matches this NPI record on: 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 New World Multispecialty Medical Group, Inc.'s NPI number?

The NPI number for New World Multispecialty Medical Group, Inc. is 1265656904. It was assigned to this organization in the NPPES registry on April 12, 2007.

Where is New World Multispecialty Medical Group, Inc. located?

New World Multispecialty Medical Group, Inc. is located at 1711 W Temple St Ste 7643, Los Angeles, CA 90026. The listed phone number is (213) 388-2229.

What is New World Multispecialty Medical Group, Inc.'s specialty?

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

Is New World Multispecialty Medical Group, Inc. enrolled in Medicare?

Yes. New World Multispecialty Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through New World Multispecialty Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to New World Multispecialty Medical Group, Inc.. 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. The largest specialties are Nurse Practitioner (3), Family Practice (1) and Infectious Disease (1). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does New World Multispecialty Medical Group, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1069160) is associated with this NPI, valid through May 29, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for New World Multispecialty Medical Group, Inc. was last updated on March 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.