CHRONIC OBESITY MANAGEMENT MEDICAL GROUP, PC
NPI 1255189338
Preventive Medicine - Obesity Medicine in Torrance, CA

Q: What is Chronic Obesity Management Medical Group, PC's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Obesity Medicine, with taxonomy code 2083B0002X.

Active since May 13, 2024

23365 HAWTHORNE BLVD STE 102, TORRANCE, CA 90505(323) 522-5449 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 2, 2026, Dec 9, 2024, May 13, 2024 (3 updates tracked since 2024).

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About Chronic Obesity Management Medical Group, Pc NPPES

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

CHRONIC OBESITY MANAGEMENT MEDICAL GROUP, PC (NPI 1255189338) is a healthcare organization registered as an obesity medicine in Torrance, California and active in the NPI registry since May 2024. The organization maintains a secondary practice location in San Francisco and lists Arye Elfenbein, President, as its authorized official.

NPPES Registry Identity

NPI1255189338

Entity TypeOrganization

Primary Taxonomy2083B0002X

Legal Business NameCHRONIC OBESITY MANAGEMENT MEDICAL GROUP, PC

Location Address23365 HAWTHORNE BLVD STE 102Torrance, CA 90505-3736

Mailing Address1100 Glendon Ave Fl 14Los Angeles, CA 90024-3518 · (310) 203-2800 · Fax (310) 203-2727

Phone(323) 522-5449

Organization SubpartNo

Authorized OfficialArye ElfenbeinPresident · (603) 359-8553

Enumeration DateMay 13, 2024

Last NPPES UpdateMarch 2, 20263 updates tracked since enumeration

NPPES CertifiedMarch 2, 2026

✔ NPI 1255189338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Obesity MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083B0002X

Definition

A physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.

23365 HAWTHORNE BLVD STE 102, Torrance, CA 90505

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Secondary Practice Location 1

Location 1451 Kansas St Unit 616San Francisco, CA 94107-2218 · Phone (323) 522-5449

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)

Chronic Obesity Management Medical Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Chronic Obesity Management Medical Group, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Arye Elfenbein, M.D.

Cardiovascular Disease (Cardiology)

NPI 1063701712

20 YORK ST YALE-NEW HAVEN HOSPITAL
New Haven, CT 06510

(203) 573-7354

✔ PECOS2,517 mi

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 Chronic Obesity Management Medical Group, PC's NPI number?

The NPI number for Chronic Obesity Management Medical Group, PC is 1255189338. It was assigned to this organization in the NPPES registry on May 13, 2024.

Where is Chronic Obesity Management Medical Group, PC located?

Chronic Obesity Management Medical Group, PC is located at 23365 Hawthorne Blvd Ste 102, Torrance, CA 90505. The listed phone number is (323) 522-5449.

What is Chronic Obesity Management Medical Group, PC's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Obesity Medicine, with taxonomy code 2083B0002X.

Is Chronic Obesity Management Medical Group, PC enrolled in Medicare?

Yes. Chronic Obesity Management Medical Group, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Chronic Obesity Management Medical Group, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Chronic Obesity Management Medical Group, PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Chronic Obesity Management Medical Group, PC was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.