LONG ISLAND WEIGHT LOSS INSTITUTE
NPI 1891060984
Internal Medicine - Obesity Medicine in Westbury, NY

Q: What is Long Island Weight Loss Institute's NPI number?

The NPI number for Long Island Weight Loss Institute is 1891060984. It was assigned to this organization in the NPPES registry on March 21, 2012.

Q: What is Long Island Weight Loss Institute's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Obesity Medicine, with taxonomy code 207RB0002X.

Active since March 21, 2012

467 OLD COUNTRY RD, WESTBURY, NY 11590(516) 333-5555(516) 333-5585 Get Directions Write a Review

NPPES record last updated: March 21, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Long Island Weight Loss Institute NPPES

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

LONG ISLAND WEIGHT LOSS INSTITUTE (NPI 1891060984) is a healthcare organization registered as an obesity medicine in Westbury, New York and active in the NPI registry since March 2012. The organization lists Michael Kaplan, Owner, as its authorized official.

NPPES Registry Identity

NPI1891060984

Entity TypeOrganization

Primary Taxonomy207RB0002X

Legal Business NameLONG ISLAND WEIGHT LOSS INSTITUTE

Location Address467 OLD COUNTRY RDWestbury, NY 11590-5136

Mailing AddressPo Box 1451Smithtown, NY 11787-8538 · (516) 333-5555 · Fax (516) 333-5585

Phone(516) 333-5555

Fax(516) 333-5585

Organization SubpartNo

Authorized OfficialMichael KaplanOwner · (516) 333-5555

Enumeration DateMarch 21, 2012

✔ NPI 1891060984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Obesity MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RB0002X

Definition

An internal medicine 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.

467 OLD COUNTRY RD, Westbury, NY 11590

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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)

Long Island Weight Loss Institute 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 Long Island Weight Loss Institute, which bills Medicare for the services this clinician delivers.

Clinician (1)

Andre Giannakopoulos, M.D.

Internal Medicine

NPI 1407942162

2578 HEMPSTEAD TPKE
East Meadow, NY 11554

(516) 333-5555

✔ PECOS✔ Accepts Medicare3.4 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 Long Island Weight Loss Institute's NPI number?

The NPI number for Long Island Weight Loss Institute is 1891060984. It was assigned to this organization in the NPPES registry on March 21, 2012.

Where is Long Island Weight Loss Institute located?

Long Island Weight Loss Institute is located at 467 Old Country Rd, Westbury, NY 11590. The listed phone number is (516) 333-5555.

What is Long Island Weight Loss Institute's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Obesity Medicine, with taxonomy code 207RB0002X.

Is Long Island Weight Loss Institute enrolled in Medicare?

Yes. Long Island Weight Loss Institute is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Long Island Weight Loss Institute?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Long Island Weight Loss Institute. 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 Long Island Weight Loss Institute was last updated on March 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.